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PCS-9691E Overcurrent Management Relay Instruction Manual
NR Electric Co., Ltd.
PCS-9691E Overcurrent Management Relay
Preface Introduction This guide and the relevant operating or service manual documentation for the equipment provide full information on safe handling, commissioning and testing of this equipment. Documentation for equipment ordered from NR Electric Co., Ltd. is dispatched separately from manufactured goods and may not be received at the same time. Therefore this guide is provided to ensure that printed information normally present on equipment is fully understood by the recipient. Before carrying out any work on the equipment the user should be familiar with the contents of this manual, and read relevant chapter carefully. This chapter describes the safety precautions recommended when using the equipment. Before installing and using the equipment, this chapter must be thoroughly read and understood.
Health and Safety The information in this chapter of the equipment documentation is intended to ensure that equipment is properly installed and handled in order to maintain it in a safe condition. When electrical equipment is in operation, dangerous voltages will be present in certain parts of the equipment. Failure to observe warning notices, incorrect use, or improper use may endanger personnel and equipment and cause personal injury or physical damage. Before working in the terminal strip area, the equipment must be isolated. Proper and safe operation of the equipment depends on appropriate shipping and handling, proper storage, installation and commissioning, and on careful operation, maintenance and servicing. For this reason only qualified personnel may work on or operate the equipment. Qualified personnel are individuals who: z
Are familiar with the installation, commissioning, and operation of the equipment and of the system to which it is being connected;
z
Are able to safely perform switching operations in accordance with accepted safety engineering practices and are authorized to energize and de-energize equipment and to isolate, ground, and label it;
z
Are trained in the care and use of safety apparatus in accordance with safety engineering practices;
z
Are trained in emergency procedures (first aid).
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PCS-9691E Overcurrent Management Relay
Instructions and Warnings The following indicators and standard definitions are used: DANGER
means that death, severe personal injury, or considerable equipment damage will occur if safety precautions are disregarded.
WARNING
means that death, severe personal, or considerable equipment damage could occur if safety precautions are disregarded.
CAUTION
means that light personal injury or equipment damage may occur if safety precautions are disregarded. This particularly applies to damage to the device and to resulting damage of the protected equipment.
WARNING! The firmware may be upgraded to add new features or enhance/modify existing features, please make sure that the version of this manual is compatible with the product in your hand.
WARNING! During operation of electrical equipment, certain parts of these devices are under high voltage. Severe personal injury or significant equipment damage could result from improper behavior. Only qualified personnel should work on this equipment or in the vicinity of this equipment. These personnel must be familiar with all warnings and service procedures described in this manual, as well as safety regulations. In particular, the general facility and safety regulations for work with high-voltage equipment must be observed. Noncompliance may result in death, injury, or significant equipment damage.
DANGER! Never allow the current transformer (CT) secondary circuit connected to this equipment to be opened while the primary system is live. Opening the CT circuit will produce a dangerously high voltage.
WARNING! z
Exposed terminals
Do not touch the exposed terminals of this equipment while the power is on, as the high voltage generated is dangerous z
Residual voltage
Hazardous voltage can be present in the DC circuit just after switching off the DC power supply. It takes a few seconds for the voltage to discharge. ii
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PCS-9691E Overcurrent Management Relay
CAUTION! z
Earth
The earthing terminal of the equipment must be securely earthed z
Operating environment
The equipment must only be used within the range of ambient environment detailed in the specification and in an environment free of abnormal vibration. z
Ratings
Before applying AC voltage and current or the DC power supply to the equipment, check that they conform to the equipment ratings. z
Printed circuit board
Do not attach and remove printed circuit boards when DC power to the equipment is on, as this may cause the equipment to malfunction. z
External circuit
When connecting the output contacts of the equipment to an external circuit, carefully check the supply voltage used in order to prevent the connected circuit from overheating. z
Connection cable
Carefully handle the connection cable without applying excessive force.
Copyright Version: 1.14 P/N: EN_DYBH0651.0086.0015 Copyright © NR 2008. All rights reserved
NR ELECTRIC CO., LTD. 69 Suyuan Avenue. Jiangning, Nanjing 211102，China Tel: 86-25-87178185, Fax: 86-25-87178208 Website: www.nari-relays.com Email: [email protected]
We reserve all rights to this document and to the information contained herein. Improper use in particular reproduction and dissemination to third parties is strictly forbidden except where expressly authorized. The information in this manual is carefully checked periodically, and necessary corrections will be included in future editions. If nevertheless any errors are detected, suggestions for correction or improvement are greatly appreciated. We reserve the rights to make technical improvements without notice.
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Table of Contents Preface .....................................................................................................i Table of Contents ...................................................................................v 1 Introduction .........................................................................................1 1.1 Application .......................................................................................................... 1 1.2 Functions ............................................................................................................ 1 1.3 Features............................................................................................................... 2 1.4 Ordering Options ................................................................................................ 3
2 Technical Data .....................................................................................5 2.1 General Specification ......................................................................................... 5 2.1.1 Electrical Specifications .........................................................................................................5 2.1.2 Mechanical Specifications......................................................................................................6 2.1.3 Ambient Temperature and Humidity.......................................................................................7 2.1.4 Communication Interfaces .....................................................................................................7 2.1.5 Type Test ...............................................................................................................................7
2.2 Protective Functions .......................................................................................... 8 2.2.1 Phase Overcurrent Protection ...............................................................................................8 2.2.2 Zero Sequence Overcurrent Protection .................................................................................9 2.2.3 Thermal Overload Protection .................................................................................................9 2.2.4 Negative Sequence Overcurrent Protection ..........................................................................9 2.2.5 Breaker Failure Initiation........................................................................................................9 2.2.6 Broken Conductor Protection.................................................................................................9 2.2.7 Overvoltage Protection ..........................................................................................................9 2.2.8 Undervoltage Protection ........................................................................................................9
2.3 Management Functions.................................................................................... 10 2.3.1 Metering Scope and Accuracy .............................................................................................10
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PCS-9691E Overcurrent Management Relay
2.3.2 Control Performance............................................................................................................10 2.3.3 Fault and Disturbance Records ...........................................................................................10 2.3.4 Telesignal............................................................................................................................. 11
2.4 Certification........................................................................................................11
3 Operation Theory ..............................................................................13 3.1 Fault Detectors ................................................................................................. 13 3.2 Overcurrent Protection .................................................................................... 14 3.3 Zero Sequence Overcurrent Protection.......................................................... 16 3.4 Thermal Overload Protection .......................................................................... 18 3.5 Negative Sequence Overcurrent Protection................................................... 20 3.6 Broken Conductor Protection ......................................................................... 20 3.7 Breaker Failure Protection............................................................................... 21 3.8 Undervoltage and Overvoltage Protection ..................................................... 22 3.9 Three Phase Auto-reclosing ............................................................................ 23 3.9.1 Auto-recloser Reclaim Conditions........................................................................................24 3.9.2 Auto-recloser Startup Condition ...........................................................................................25 3.9.3 Blocking Logic .....................................................................................................................25
4 Supervision, Metering and Control..................................................27 4.1 Overview............................................................................................................ 27 4.2 Relay Self-supervision ..................................................................................... 27 4.2.1 Relay Hardware Supervision ...............................................................................................27 4.2.2 Setting Supervision..............................................................................................................27 4.2.3 Control Circuit Supervision ..................................................................................................27 4.2.4 Tripped Position Contact Supervision ..................................................................................28 4.2.5 Uncharged Binary Input Supervision ...................................................................................28 4.2.6 CT Failure Supervision ........................................................................................................28 4.2.7 VT Failure Supervision ........................................................................................................28
4.3 Metering............................................................................................................. 29
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4.4 Remote Control................................................................................................. 29 4.5 Signaling ........................................................................................................... 29 4.6 Setting Group Auto-Switching Function......................................................... 30
5 Hardware Description .......................................................................31 5.1 Overview............................................................................................................ 31 5.2 AI Module........................................................................................................... 32 5.3 CPU Module ...................................................................................................... 33 5.4 HMI Module ....................................................................................................... 34 5.5 PWR Module...................................................................................................... 35 5.6 EXT Module ....................................................................................................... 35 5.7 Operation Circuit Theory ................................................................................. 36
6 HMI Operation Introduction ..............................................................39 6.1 Human Machine Interface Overview ............................................................... 39 6.1.1 Design .................................................................................................................................39 6.1.2 Functionality ........................................................................................................................39 6.1.3 Keypad and Keys ................................................................................................................39 6.1.4 LED Indications ...................................................................................................................40 6.1.5 Commissioning Port ............................................................................................................41 6.1.6 Tripping and Closing Buttons...............................................................................................41
6.2 Understand the HMI Menu Tree ....................................................................... 41 6.2.1 Overview..............................................................................................................................41 6.2.2 Submenu of “VALUES” ........................................................................................................41 6.2.3 Submenu of “REPORT” .......................................................................................................42 6.2.4 Submenu of “SETTINGS” ....................................................................................................42 6.2.5 Submenu of “CLOCK”..........................................................................................................43 6.2.6 Submenu of “VERSION”......................................................................................................43 6.2.7 Submenu of “LANGUAGE” ..................................................................................................43
6.3 Understand the LCD Display ........................................................................... 44
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6.3.1 Default Display under Normal Operation Condition .............................................................44 6.3.2 Display When Tripping.........................................................................................................44 6.3.3 Display under Abnormal Condition ......................................................................................45
6.4 View the Settings .............................................................................................. 46 6.5 View Device Status ........................................................................................... 47 6.5.1 Display Analogue Data ........................................................................................................47 6.5.2 Display the Status of Binary Inputs ......................................................................................50 6.5.3 Display the Status of Protection Elements ...........................................................................51 6.5.4 Display the Operation Status ...............................................................................................52
6.6 View Software Version ..................................................................................... 53 6.7 View History Reports........................................................................................ 54 6.8 Operation through Keypad .............................................................................. 54 6.8.1 Password Protection............................................................................................................54 6.8.2 Change the Settings ............................................................................................................55 6.8.3 Clock Set .............................................................................................................................55 6.8.4 Delete Records....................................................................................................................56
7 Settings ..............................................................................................57 7.1 Overview............................................................................................................ 57 7.2 Communication Settings (EQUIP SETUP) ...................................................... 57 7.3 System Settings (SYS SETTINGS) .................................................................. 58 7.4 Protection Settings (PROT SETTINGS)........................................................... 61
8 Communication .................................................................................65 8.1 General .............................................................................................................. 65 8.2 RS-485 Interface ............................................................................................... 65 8.3 IEC60870-5-103 Protocol.................................................................................. 66 8.3.1 Initialization..........................................................................................................................66 8.3.2 Time Synchronization ..........................................................................................................67 8.3.3 Spontaneous Events............................................................................................................67
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8.3.4 General Interrogation...........................................................................................................69 8.3.5 Cyclic Measurements ..........................................................................................................69 8.3.6 General Commands ............................................................................................................70 8.3.7 Generic Functions ...............................................................................................................71 8.3.8 Disturbance Records ...........................................................................................................71
8.4 Modbus Protocol .............................................................................................. 72 8.4.1 Binary State Communication ...............................................................................................72 8.4.2 Analog Data Communication ...............................................................................................74 8.4.3 Settings Communication......................................................................................................75 8.4.4 Remote Control ...................................................................................................................79 8.4.5 Diagnostics Information .......................................................................................................79 8.4.6 Download Settings...............................................................................................................79 8.4.7 Time Synchronization ..........................................................................................................79 8.4.8 Abnormal Information...........................................................................................................79
8.5 DNP3.0 Protocol ............................................................................................... 79 8.5.1 Link Layer Functions............................................................................................................80 8.5.2 Transport Functions .............................................................................................................80 8.5.3 Application Layer Functions.................................................................................................80 8.5.4 Information in DNP3.0 .........................................................................................................82
9 Installation .........................................................................................93 9.1 General .............................................................................................................. 93 9.2 Safety Instructions ........................................................................................... 93 9.3 Checking the Shipment.................................................................................... 94 9.4 Material and Tools Required ............................................................................ 94 9.5 Device Location and Ambient Conditions ...................................................... 94 9.6 Mechanical Installation .................................................................................... 95 9.7 Electrical Installation and Wiring .................................................................... 96 9.7.1 Grounding Guidelines ..........................................................................................................96 9.7.2 Cubicle Grounding ...............................................................................................................96
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PCS-9691E Overcurrent Management Relay
9.7.3 Ground Connection on the Device.......................................................................................97 9.7.4 Grounding Strips and their Installation .................................................................................98 9.7.5 Guidelines for Wiring ...........................................................................................................98 9.7.6 Wiring for Electrical Cables..................................................................................................99
9.8 Typical Wiring of the Relay .............................................................................. 99
10 Commissioning .............................................................................101 10.1 General .......................................................................................................... 101 10.2 Safety Instructions ....................................................................................... 101 10.3 Commission Tools........................................................................................ 102 10.4 Setting Familiarization ................................................................................. 102 10.5 Product Checks ............................................................................................ 103 10.5.1 With the Relay De-energized...........................................................................................103 10.5.2 With the Relay Energized ................................................................................................105 10.5.3 Protective Function Testing..............................................................................................108 10.5.4 On-load Checks ............................................................................................................... 114 10.5.5 Final Checks.................................................................................................................... 115
11 Maintenance................................................................................... 117 11.1 Maintenance Schedule ..................................................................................117 11.2 Regular Testing ..............................................................................................117 11.3 Failure Tracing and Repair ............................................................................117 11.4 Replace Failed Modules ................................................................................117
12 Decommissioning and Disposal .................................................. 119 12.1 Decommissioning..........................................................................................119 12.1.1 Switching off .................................................................................................................... 119 12.1.2 Disconnecting cables....................................................................................................... 119 12.1.3 Dismantling...................................................................................................................... 119
12.2 Disposal..........................................................................................................119
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PCS-9691E Overcurrent Management Relay
13 Manual Version History.................................................................121
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1 Introduction
1 Introduction 1.1 Application The PCS-9691E overcurrent management relay is designed for fast and selective short-circuit protection, control and monitoring of the feeders, the shunt capacitor banks, the reactors or the motors etc. in directly grounded, impedance grounded, Peterson coil grounded or ungrounded system. This device is suited to be wall surface mounted indoors or outdoors or flush mounted into a control panel.
Figure 1.1-1 Application of PCS-9691E
1.2 Functions Protective Functions 50P
Phase instantaneous overcurrent protection
51P
Phase time overcurrent protection
50G
Ground instantaneous overcurrent protection
51G
Ground time overcurrent protection
67G
Directional ground time overcurrent protection
51Q
Negative sequence time overcurrent protection
49
Thermal overload protection
46BC
Broken conductor protection
27
Undervoltage protection
59
Overvoltage protection
51BF
Breaker failure protection
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1 Introduction
79
Three-phase auto-reclose (up to three shots)
AI
Analog inputs
VTS
Voltage transformer supervision
CTS
Current transformer supervision Current drift auto adjustment Self supervision Binary inputs Output relays
Relay Management Functions Metering Circuit breaker status monitoring 2
Circuit breaker control
TCS
Tripping circuit supervision
CCS
Closing circuit supervision 32 Trip records 32 Alarm records 64 Binary change records
FR
3 Fault records, up to 5000ms each time
SOE
256 SOE records, latest records of following elements state changing: operating abnormality alarm elements, self-check alarm elements, protection elements, binary input elements Rear communication ports: RS-485 Front commissioning port: RS-232
Auxiliary Testing Functions Virtual SOE records generation Virtual measurement values generation Virtual tripping reports generation Virtual fault wave records generation
1.3 Features z
On the premise of 32 samples per cycle, all data measurement, calculation and logic discrimination could be finished within one sampling period. The event recording and protection logic calculation also can be finished simultaneously.
z
Definite time and inverse time of phase overcurrent protection are both provided.
z
Definite time and inverse time of zero sequence overcurrent protection are both provided.
z
This relay constantly measures and calculates a large mount of analog quantities: phase
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1 Introduction
current, positive sequence current, negative sequence current and zero sequence current. z
The HMI interface with a 128×64-dot LCD, 8 LED indicators and a 2-multifunction-key keypad on the front panel is very friendly to the user.
z
This relay is equipped with two EIA RS-485 standardized electrical interfaces for uplink communication.
z
This relay can communication with SAS or RTU, the communication protocol of this device is IEC60870-5-103, Modbus or DNP3.0.
z
Maturity protection configuration, fast speed, security performance.
z
Strong function optional module to satisfy all kinds of requirement on site.
z
Event recording function: 32 latest fault reports (up to 8 records in a report), 64 alarm records and 256 records of time tagged sequence of event can be recorded.
z
Perfect fault and disturbance recording function: 3 latest fault waves, and the fault and disturbance file format is COMTRADE, see Section 2.3.3 for more details.
z
This device can store the settings, history reports and the fault waves in a 2Mbit FRAM, which makes these information does not be lost even the power supply is switched off.
1.4 Ordering Options This relay is very customizable to meet the requirements of a practical engineering. The following table shows the various available customizable options when ordering a PCS-9691E. Information Required when Order: Relay Type:
PCS-9691E-
-R1.01
Protection Functions Standard: 50/51P, 50/51N, 51Q, 49, 27, 59, 79 10 binary inputs and up to 9 binary outputs
A
Rated Auxiliary Voltage 30Vdc
A
110 ~ 125Vdc
B
220 ~ 250Vdc
C
95 ~ 240Vac
D
Secondary AC Current Input 1A
A
5A
B
Secondary AC Voltage Input 100V, Phase-to-phase
A
110V, Phase-to-phase
B
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1 Introduction
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2 Technical Data
2 Technical Data 2.1 General Specification 2.1.1 Electrical Specifications 2.1.1.1 Power Supply Rated Voltage (Un)
30Vdc, 110Vdc, 220Vdc, 110Vac(50Hz), 220Vac(50Hz)
Variation
(80% ~ 120%)Un
Ripple in the DC auxiliary voltage
Max 15% of the DC value. Per IEC 60255-11:1979
Voltage dips and voltage short interruptions
Per IEC 61000-4-11:1994, IEC 60255-11:1979 20ms for interruption without de-energizing, dips 60% of Un without reset up to 100ms
Burden
Quiescent condition
100MΩ, 500Vdc
2.1.5.4 Electromagnetic Compatibility 1MHz burst disturbance tests
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IEC60255-22-1:1988 (idt IEC61000-4-2:1995), Class III 7
2 Technical Data
- Common mode - Differential mode Electrostatic discharge tests -For contact discharge -For air discharge Radio frequency interference tests Frequency sweep -Radiated amplitude-modulated Spot frequency -Radiated amplitude-modulated - Radiated pulse-modulated Fast transient disturbance tests - Power supply, I/O & Earth terminals - Communication terminals Surge immunity tests - Power supply, AC inputs, I/O terminals
2.5kV 1.0kV IEC60255-22-2 :1996 (idt IEC 61000-4-2) Class IV 8.0kV 15.0kV IEC60255-22-3:2000 (idt IEC 61000-4-3:1995 )
class III
10V/m(rms), f=80…1000MHz 10Vm(rms), f=80MHz/160MHz /450MHz/900MHz 10Vm(rms), f=900MHz IEC60255-22-4:2002 (idt IEC 61000-4-4) Class IV, 4kV, 2.5kHz, 5/50ns Class IV, 2kV, 5.0kHz, 5/50ns IEC60255-22-5:2002 (idt IEC 61000-4-5:1995) , Class III 1.2/50us, 2kV, line to earth; 1kV, line to line
Conducted RF electromagnetic disturbance - Power supply, AC, I/O, Comm. Terminal
IEC60255-22-6, Class III 10V(rms), 150kHz~80MHz
Power frequency magnetic field immunity
IEC61000-4-8:1993, Class V 100A/m for 1min 1000A/m for 3s
Pulse magnetic field immunity
IEC61000-4-9:1993, Class V 6.4/16 us 1000A/m for 3s
Damped oscillatory magnetic field immunity
IEC61000-4-10:1993, Class V 100kHz & 1MHz – 100A/m
2.2 Protective Functions 2.2.1 Phase Overcurrent Protection Current setting
0.2×In ~ 20.0×In
Time setting
0s ~ 50s
Tolerance of current setting
≤ 2.0% or 0.01×In, whichever is greater
Tolerance of time setting
≤ 1% × Setting + 35ms
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2 Technical Data
2.2.2 Zero Sequence Overcurrent Protection Current setting
0.2×In ~ 20.0×In
Time setting
0s ~ 50s
Tolerance of current setting
≤ 2.0% or 0.01×In, whichever is greater
Tolerance of time setting
≤ 1% × Setting + 35ms
2.2.3 Thermal Overload Protection Current setting
0.2×In ~ 20.0×In
Time coefficient setting
0.2 ~ 15.0
Tolerance of current setting
≤ 2.0% or 0.01×In, whichever is greater
Tolerance of time setting
Average error is 5.0 %
2.2.4 Negative Sequence Overcurrent Protection Current setting
0.2×In ~ 20.0×In
Time setting
0s ~ 50s
Tolerance of current setting
≤ 2.0% or 0.01×In, whichever is greater
Tolerance of time setting
≤ 1% × Setting + 35ms
2.2.5 Breaker Failure Initiation Current setting
0.2×In ~ 20.0×In
Time setting
0s ~ 50s
Tolerance of current setting
≤ 2.0% or 0.01×In, whichever is greater
Tolerance of time setting
≤ 1% × Setting + 35ms
2.2.6 Broken Conductor Protection I2/I1 Ratio setting
0.2 ~ 1.0
Time setting
0s ~ 50s
Tolerance of current setting
≤ 2.0%
Tolerance of time setting
≤ 1% × Setting + 35ms
2.2.7 Overvoltage Protection Voltage setting
105.0 ~ 600.0V
Time setting
0s ~ 50s
Tolerance of voltage setting
≤ 2.0% or 0.10V, whichever is greater
Tolerance of time setting
≤ 1% × Setting + 35ms
2.2.8 Undervoltage Protection Voltage setting
10.0 ~ 600.0V
Time setting
0s ~ 50s
Tolerance of voltage setting
≤ 2.0% or 0.10V, whichever is greater
Tolerance of time setting
≤ 1% × Setting + 35ms
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2 Technical Data
2.3 Management Functions 2.3.1 Metering Scope and Accuracy Current
0.05 ~ 1.4×In
Accuracy
≤ 0.2% of reading
Voltage
0.05 ~ 1.4×Vn
Accuracy
≤ 0.5% of reading
Power (W)
0.2 ~ 1.4×Vn, 0.05 ~ 1.4×In
Accuracy
≤ 0.5% of reading at unity power factor
Reactive Power (Vars)
0.2 ~ 1.4×Vn, 0.05 ~ 1.4×In
Accuracy
≤ 0.5% of reading at zero power factor
Apparent Power (VA)
0.2 ~ 1.4×Vn, 0.05 ~ 1.4×In
Accuracy
≤ 0.5% of reading
Energy (Wh)
0.2 ~ 1.4×Vn, 0.05 ~ 1.4×In
Accuracy
≤ 0.5% of reading at unity power factor
Energy (Varh)
0.2 ~ 1.4×Vn, 0.05 ~ 1.4×In
Accuracy
≤ 0.5% of reading at zero power factor
Phase range
0° ~ 360°
Accuracy
≤ 0.5% or ±1°
Frequency
45 ~ 55Hz
Accuracy
≤ 0.01Hz
2.3.2 Control Performance Control mode
Local or remote
Accuracy of local control
≤ 1s
Accuracy of remote control
≤ 3s
2.3.3 Fault and Disturbance Records Magnitude and relative phases
≤ 2.5% of applied quantities
Duration
Up to 5000ms each time
Trigger condition
Pickup of the fault detector
Trigger position
2 cycles before pickup of the fault detector
Recording channels
8 analog channels and at least 10 binary channels (relevant operation elements and binary signals)
Recording frequency
Instantaneous value: 16 points per cycle Amplitude value: 1 amplitude value per cycle
Recording data description
2 cycles before pickup of fault detector and operation of protection + 6 cycles after pickup of fault detector and operation of protection + some sampled values, up to 5000ms.
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2 Technical Data
2.3.4 Telesignal Resolution of telesignals
≤ 1ms
Input of telesignals
Potential-free contact
Resolution of SOE
≤ 2ms
2.4 Certification z
ISO9001: 2000
z
ISO14001:2004
z
OHSAS18001: 1999
z
ISO10012:2003
z
CMMI L3
z
EMC: 89/336/EEC, EN50263: 2000
z
Products safety(PS) : 73/23/EEC, EN61010-1 : 2001, EN60950 : 2002
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2 Technical Data
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3 Operation Theory
3 Operation Theory The PCS-9691E overcurrent management relay provides various overcurrent protection solutions for the feeders, the shunt capacitor banks, the reactors or the motors etc. The following sections detail the individual protection functions in this device.
3.1 Fault Detectors The fault detector operates if any of the following conditions is satisfied. 1.
Any one of the three phase currents is in excess of the setting of the stage 1 overcurrent protection on condition that the stage 1 overcurrent protection is enabled (I > [I_OC1]).
2.
Any one of the three phase currents is in excess of the setting of the stage 2 overcurrent protection on condition that the stage 2 overcurrent protection is enabled (I > [I_OC2]).
3.
Any one of the three phase currents is in excess of the setting of the stage 3 overcurrent protection on condition that the stage 3 overcurrent protection is enabled (I > [I_OC3]).
4.
The zero sequence current is in excess of the setting of the stage 1 zero sequence overcurrent protection on condition that the stage 1 zero sequence overcurrent protection is enabled (I0 > [I_ROC1]).
5.
The zero sequence current is in excess of the setting of the stage 2 zero sequence overcurrent protection on condition that the stage 2 zero sequence overcurrent protection is enabled (I0 > [I_ROC2]).
6.
The zero sequence current is in excess of the setting of the stage 3 zero sequence overcurrent protection on condition that the stage 3 zero sequence overcurrent protection is enabled (I0 > [I_ROC3]).
7.
The thermal accumulation value is equal to 100% on condition that the thermal overload protection is enabled (Accu = 100%).
8.
The negative sequence current is in excess of the setting of the negative sequence overcurrent protection on condition that the negative sequence overcurrent protection is enabled (I2 > [I_NegOC]).
9.
The ratio of negative to positive phase sequence current (I2/I1) is in excess of the ratio setting of the broken conductor protection on condition that the broken conductor protection is enabled (I2/I1 > [Ratio_I2/I1]).
10. Any one of phase currents is in excess of the current setting of the breaker failure protection on condition that the breaker failure protection is enabled (I > [I_OC_BFI]). 11. The maximum phase-to-phase voltage is in excess of the voltage setting of the overvoltage protection on condition that the overvoltage protection is enabled (Uppmax > [V_OV]).
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3 Operation Theory
12. The maximum phase-to-phase voltage is in less of the voltage setting of the undervoltage protection on condition that the undervoltage protection is enabled (Uppmax < [V_UV]). Each fault detector element will reset to normal operation status at once when the relevant input current is less than its setting multiplied by 0.95. The following figure shows the logic of fault detector of the PCS-9691E.
Figure 3.1-1 Logic diagram of the fault detector
3.2 Overcurrent Protection The overcurrent protection in this relay provides three-stage phase overcurrent protection with independent definite time delay characteristics. Each stage can be enabled/disabled by the scheme logic settings independently. The stage 1 and stage 2 overcurrent protections have the same protective functional logic. When the stage 3 overcurrent protection is used as regular definite time overcurrent protection, it has the same protective functional logic with other stages of overcurrent protection; when it is used as inverse definite minimum time (IDMT) overcurrent protection, it has a different protective functional logic with other stages of overcurrent protection. When the setting [Opt_InvOC] is set as “0”, the stage 3 overcurrent protection is used as regular definite time overcurrent protection; and when the setting [Opt_InvOC] is set as “1” to “10”, the stage 3 overcurrent protection is used as IDMT overcurrent protection. The inverse time delayed characteristics comply with the formulas in following table. Setting Value
14
Inverse Type
Standard
1
Moderately Inverse
US
2
Inverse
US
3
Very Inverse
US
4
Extremely Inverse
US
5
Short-Time Inverse
US
Operation Formula
0.0104 ⎞ ⎛ t P = TD • ⎜ 0.0226 + 0.02 ⎟ M −1 ⎠ ⎝ 5.95 ⎞ ⎛ t P = TD • ⎜ 0.18 + 2 ⎟ M −1 ⎠ ⎝ 3.88 ⎞ ⎛ t P = TD • ⎜ 0.0963 + 2 ⎟ M −1 ⎠ ⎝ 5.67 ⎞ ⎛ t P = TD • ⎜ 0.0352 + 2 ⎟ M −1 ⎠ ⎝ 0.00342 ⎞ ⎛ t P = TD • ⎜ 0.00262 + 0.02 ⎟ M −1 ⎠ ⎝
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3 Operation Theory
6
Standard Inverse
IEC
7
Very Inverse
IEC
8
Extremely Inverse
IEC
9
Long-Time Inverse
IEC
10
Short-Time Inverse
IEC
⎛ 0.14 ⎞ t P = TD • ⎜ 0.02 ⎟ ⎝ M −1 ⎠ ⎛ 13.5 ⎞ t P = TD • ⎜ ⎟ ⎝ M −1 ⎠ ⎛ 80 ⎞ t P = TD • ⎜ 2 ⎟ ⎝ M −1 ⎠ ⎛ 120 ⎞ t p = TD • ⎜ ⎟ ⎝ M −1⎠
⎛ 0.05 ⎞ t P = TD • ⎜ 0.04 ⎟ ⎝ M −1 ⎠
Where: tp = operating time in seconds TD = time dial setting. If the stage 3 overcurrent protection is used as IDMT overcurrent protection, it is the setting [TD_InvOC], and its range is “0.05 ~ 15.00”. M = applied multiples of pickup current (I/Iset). “Iset” is the current setting of the stage 3 overcurrent protection [I_OC3]. The functional logic diagram for the overcurrent protection is shown as bellow. Ia > [I_OC1] Ib > [I_OC1] Ic > [I_OC1] [En_OC1]
&
[t_OC1]
[Op_OC1]
&
[t_OC2]
[Op_OC2]
&
[t_OC3]
[Op_OC3]
&
IDMT
[EBI_OC1] Ia > [I_OC2] Ib > [I_OC2] Ic > [I_OC2] [En_OC2] [EBI_OC2] Ia > [I_OC3] Ib > [I_OC3] Ic > [I_OC3] [En_OC3] [Opt_InvOC] ＝ 0 [EBI_OC3] Ia > [I_OC3] Ib > [I_OC3] Ic > [I_OC3] [En_OC3]
[Op_InvOC]
[Opt_InvOC] ≠ 0 [EBI_OC3]
Figure 3.2-1 Logical diagram of the overcurrent protection Where: [I_OC1] is the current setting of the stage 1 overcurrent protection; NR ELECTRIC CO., LTD.
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3 Operation Theory
[t_OC1] is the time-delay setting of the stage 1 overcurrent protection; [En_OC1] is the logic setting of the stage 1 overcurrent protection; [EBI_OC1] is the enabling binary input of the stage 1 overcurrent protection; [I_OC2] is the current setting of the stage 2 overcurrent protection; [t_OC2] is the time-delay setting of the stage 2 overcurrent protection; [En_OC2] is the logic setting of the stage 2 overcurrent protection; [EBI_OC2] is the enabling binary input of the stage 2 overcurrent protection; [I_OC3] is the current setting of the stage 3 overcurrent protection; [t_OC3] is the time-delay setting of the stage 3 overcurrent protection; [En_OC3] is the logic setting of the stage 3 overcurrent protection; [Opt_InvOC] is the setting which is used to select an IDMT curve; [EBI_OC3] is the enabling binary input of the stage 3 overcurrent protection.
3.3 Zero Sequence Overcurrent Protection This relay provides three-stage zero sequence overcurrent protection with independent definite time delay characteristics. Each stage can be enabled/disabled by the scheme logic settings independently and can be controlled by the zero sequence directional element respectively. One input current transformer is dedicated to the earth fault protection, and this input CT is designed specially to operate at low current magnitudes. The zero sequence current also can be calculated on the basis of the three phase currents. The setting [Opt_Calc_3I0] is used to select the source of the zero sequence current. The stage 1 and stage 2 zero sequence overcurrent protections have the same protective functional logic. When the stage 3 zero sequence overcurrent protection is used as regular definite time zero sequence overcurrent protection, it has the same protective functional logic with other stage zero sequence overcurrent protections; when it is used as zero sequence IDMT overcurrent protection, it has a different protective functional logic with other stages of zero sequence overcurrent protection. When the setting [Opt_InvROC] is set as “0”, the stage 3 zero sequence overcurrent protection is used as regular definite time zero sequence overcurrent protection; and when the setting [Opt_InvROC] is set as “1” to “10”, the stage 3 zero sequence overcurrent protection is used as zero sequence IDMT overcurrent protection. The inverse time delayed characteristics comply with the formulas in Section 3.2, see Section 3.2 for more details about these formulas. If the setting [En_ROC3] is set as “0”, when the zero sequence current is greater than the setting [I_ROC3] and this situation is keeping for the appointed time [t_ROC3], the stage 3 zero sequence 16
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overcurrent protection also can issue an alarm signal [Alm_ROC3]. The functional logic diagram for the zero sequence overcurrent protection is shown as bellow.
Figure 3.3-1 Logic diagram for the zero sequence overcurrent protection Where: [I_ROC1] is the current setting of the stage 1 zero sequence overcurrent protection; [t_ROC1] is the time-delay setting of the stage 1 zero sequence overcurrent protection; [En_ROC1] is the logic setting of enabling the stage 1 zero sequence overcurrent protection; [EBI_ROC1] is the enabling binary input of the stage 1 zero sequence overcurrent protection; [I_ROC2] is the current setting of the stage 2 zero sequence overcurrent protection; [t_ROC2] is the time-delay setting of the stage 2 zero sequence overcurrent protection; [En_ROC2] is the logic setting of enabling the stage 2 zero sequence overcurrent protection; [EBI_ROC2] is the enabling binary input of the stage 2 zero sequence overcurrent protection; [I_ROC3] is the current setting of the stage 3 zero sequence overcurrent protection; [t_ROC3] is the time-delay setting of the stage 3 zero sequence overcurrent protection; [En_ROC3] is the logic setting of enabling the stage 3 zero sequence overcurrent protection; [Opt_InvROC] is the setting which is used to select a zero sequence IDMT curve; [EBI_ROC3] is the enabling binary input of the stage 3 zero sequence overcurrent protection; NR ELECTRIC CO., LTD.
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3 Operation Theory
“Flg_Dir_ROCx” (x: 1~3) denotes the status of the zero sequence directional element. Following figure shows the functional logic diagram for the zero sequence directional element.
Figure 3.3-2 Logic diagram for the zero sequence directional element Where: [En_Dir_ROC1] is the logic setting of the directional element for the ROC1 protection; [Opt_Dir_ROC] is the setting which is used to select the relay characteristic angle.
3.4 Thermal Overload Protection The relay incorporates a current based thermal replica, using load current to model heating and cooling of the protected plant. The heat generated within an item of plant, such as a cable or a transformer, is the resistive loss (Ι2R x t). Thus, heating is directly proportional to current squared. The thermal time characteristic used in the relay is therefore based on current squared, integrated over time. The relay automatically uses the largest phase current for input to the thermal model. The mathematical formula applicable in this relay is the following:
Ttrip
⎛ R 2 −η ⎞ ⎟ = TD × ⎜⎜τ × ln 2 R − 1 ⎟⎠ ⎝
Where: Ttrip = Time to trip (in seconds); TD = time setting, it is the time coefficient setting [TD_OvLd];
τ = Thermal time constant of the equipment to be protected (in seconds); R = Thermal overload equal to Ieq/(k×Is); Ieq = Equivalent current corresponding to the RMS value of the largest phase current; Is = Full load current rating, it is the current setting [I_OvLd]; k = Factor associated to the thermal state formula; η = Initial thermal state. If the initial thermal state = 50%, then η = 0.5. The curves of the thermal overload time characteristic are shown in Figure 3.4-1.
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TIME IN SECONDS
3 Operation Theory
Figure 3.4-1 Curves of the thermal overload protection The functional logic diagram of the thermal overload protection is shown in Figure 3.4-2. The overload block is a level detector that detects that the current magnitude is above the threshold.
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3 Operation Theory
Figure 3.4-2 Logic diagram of the thermal overload protection Where: [I_OvLd] is the current setting of the overload protection; [En_OvLd] is the logic setting of the overload protection; [EBI_OvLd] is the enabling binary input of the overload protection.
3.5 Negative Sequence Overcurrent Protection This relay provides one stage negative sequence overcurrent protection for protecting the protected equipment in a phase reverse situation. Following figure shows the logic diagram of the negative sequence overcurrent protection.
Figure 3.5-1 Logic diagram of the negative sequence overcurrent protection Where: [I_NegOC] is the current setting of the negative sequence overcurrent protection; [t_NegOC] is the time-delay setting of the negative sequence overcurrent protection; [En_NegOC] is the logic setting of the negative sequence overcurrent protection; [EBI_NegOC] is the enabling binary input of the negative sequence overcurrent protection.
3.6 Broken Conductor Protection The relay incorporates an element which measures the ratio of negative to positive phase sequence current (Ι2/Ι1). This will be affected to a lesser extent than the measurement of negative sequence current alone, since the ratio is approximately constant with variations in load current. Hence, a more sensitive setting may be achieved. The logic diagram is as shown below. The ratio of I2/I1 is calculated and is compared with the threshold and if the threshold is exceeded then the delay timer is initiated.
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Figure 3.6-1 Logic diagram of the broken conductor protection Where: [Ratio_I2/I1] is the ratio setting of the broken conductor protection; [t_BCP] is the time-delay setting of the broken conductor protection; [En_BCP] is the logic setting of the broken conductor protection; [EBI_BCP] is the enabling binary input of the broken conductor protection; “I1” and “I2” are the positive sequence current and negative sequence current respectively.
3.7 Breaker Failure Protection The relay provides one stage breaker failure protection with definite time delay characteristics. The circuit breaker failure protection is specially for re-tripping the circuit breaker, when the relay has transmitted the tripping command to the circuit breaker, but it also can detect the fault on the busbar or the circuit breaker is still closed after an appointed time-delay. An external binary input is special for triggering the breaker failure protection. The functional logic diagram of the circuit breaker failure protection is shown as bellow.
Figure 3.7-1 Logic diagram of the breaker failure protection Where: [I_OC_BFP] is the current setting of the breaker failure protection; [t_BFP] is the time-delay setting of the breaker failure protection; [En_BFP] is the logic setting of the breaker failure protection;
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3 Operation Theory
[EBI_BFP] is the enabling binary input of the breaker failure protection; [BI_Ext_BFP] is the external initiation binary input of the breaker failure protection; [En_52b_Ctrl_BFP] is the logic setting of the breaker failure protection with the control of the circuit breaker state; [S_CBState] is the present state of the circuit breaker; [En_Trip_Ctrl_BFP] is the logic setting of the breaker failure protection with the control of the relay operation; “Flg_Relay_Tripped” means that the relay already has transmitted the tripping command to the circuit breaker through the tripping output.
3.8 Undervoltage and Overvoltage Protection This relay provides undervoltage protection. When three phase-to-phase voltages all less than the voltage setting and the predefined time delay has elapsed, the undervoltage protection will operate. The undervoltage element is blocked by the position state of the circuit breaker. The VT circuit failure can be identified automatically by this relay and the undervoltage element will be blocked at once under such a condition. This relay also provides overvoltage protection. When anyone of the three phase-to-phase voltages is greater than voltage setting and the predefined time delay has elapsed, the overvoltage protection will operate. The overvoltage element can be blocked by the position state of the circuit breaker. The functional logic diagram for the undervoltage and overvoltage protection is shown as bellow.
Figure 3.8-1 Logical diagram of the undervoltage and overvoltage protection Where: [V_UV] is the voltage setting of the undervoltage protection;
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[t_UV] is the time-delay setting of the undervoltage protection; [V_OV] is the voltage setting of the overvoltage protection; [t_OV] is the time-delay setting of the overvoltage protection; [En_OV/UV] is the logic setting of the voltage protection; [BI_52a] is the binary input state of the normal opened contact of the circuit breaker; [BI_52b] is the binary input state of the normal closed contact of the circuit breaker; [EBI_UV] is the enabling binary input of the undervoltage protection; [EBI_OV] is the enabling binary input of the overvoltage protection; “Flg_VTFailure” denotes that the voltage transformer circuit is failed, see Section 4.2.7.
3.9 Three Phase Auto-reclosing This relay will initiate auto-recloser for fault clearances by the phase overcurrent, earth fault protections. An auto-reclose cycle can be internally initiated by operation of a protection element or externally by a separate protection device, provided the circuit breaker is closed until the instant of protection operation. At the end of the relevant dead time, a CB close signal is given, provided system conditions are suitable. The system conditions to be met for closing are that the system voltages are in synchronism or dead line/live bus or live line/dead bus conditions exist, indicated by the internal check synchronizing element. The CB close signal is cut-off when the circuit breaker closes. When the CB is closed, the reclaim timer starts. If the circuit breaker does not trip again, the auto-reclose function resets at the end of the reclaim time. If the protection operates during the reclaim time the relay either advances to the next shot in the programmed auto-reclose cycle, or, if all programmed reclose attempts have been made, goes to lockout. The logic diagram for the auto-recloser is shown in Figure 3.9-1. Where: [t_1stAR] is the time-delay setting of the 1st shot of auto-recloser; [t_2ndAR] is the time-delay setting of the 2nd shot of auto-recloser; [t_3rdAR] is the time-delay setting of the 3rd shot of auto-recloser; [N_AR] is the shot number setting of the auto-recloser; [En_AR] is the logic setting of the auto-recloser; [BI_52b] is the auxiliary normal close contact of the CB, which can denote the CB state; [BI_Uncharged] is the binary input of the CB spring uncharged signal; [EBI_Lockout] is the external blocking binary input of the auto-recloser;
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3 Operation Theory
“Flg_Trip” denotes that whether the relay is tripped; “Flg_ManTrip” denotes that the CB is tripped manually; “Flg_RmtTrip” denotes that the CB is tripped through remote control; For the information about [Op_OvLd], [Op_NegOC], [Op_BCP], [Op_BFP], [Op_UV] and [Op_OV], please see Section 6.3.2 and Section 6.5.3. [En_AR] Ia < 0.04In Ib < 0.04In
&
&
&
Ic < 0.04In Flg_Trip
&
[BI_52b]
&
[Op_FD]
15s
Flg_ManTrip Flg_RmtTrip [BI_Uncharged] [EBI_Lockout] [Op_OvLd] [Op_NegOC] [Op_BCP] [Op_BFP] [Op_UV] [Op_OV]
[t_1stAR]
& & [t_2ndAR]
& & [t_3rdAR]
[Op_1stAR]
[N_AR] = 1
[N_AR] = 2
[Op_2ndAR]
[N_AR] = 2
[N_AR] = 3
[Op_3rdAR]
Figure 3.9-1 Logic diagram for the auto-recloser
3.9.1 Auto-recloser Reclaim Conditions When the auto-reclosing element is enabled, if all the following conditions are satisfied in normal operation case, the auto-reclosing element will be in service automatically after 15 seconds. 24
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1.
The auxiliary normal close contact of the circuit breaker (BI_52b) status is “0”; it means that the circuit breaker is closed.
2.
Any operation element is not in startup status; i.e. the fault detector doesn’t pick up.
3.
The auto-recloser external blocking binary input [EBI_Lockout] is “0”; i.e. there isn’t an external blocking signal.
4.
The circuit breaker spring uncharged signal binary input [BI_Uncharged] is “0”; i.e. the circuit breaker is ready for reclosing.
If the auto-reclosing element is in service, the state of the virtual binary input [VBI_Ready_AR] (in submenu “OPR STATE”) will be “1”.
3.9.2 Auto-recloser Startup Condition The startup condition of the auto-reclosing element is that one of the protective elements of this relay is tripped. The auto-reclosing startup logic diagram is shown in Figure 3.9-1. To prevent the auto-reclosing startup element from unwanted operation, this relay takes the current measurands into account. Only when the circuit has tripped absolutely, the auto-reclosing will be put into service.
3.9.3 Blocking Logic After the auto-reclosing element being put into service successfully, if anyone of the following cases occurs at anytime in normal operation case, the relay will block the auto-reclosing element automatically at once. 1.
Open the circuit breaker by manual tripping.
2.
Open the circuit breaker by remote tripping.
3.
The auto-recloser external blocking binary input [EBI_Lockout] is “1”; i.e. there is an external blocking signal.
4.
The circuit breaker spring uncharged signal binary input [BI_Uncharged] is “1”; i.e. the circuit breaker is not ready for reclosing.
5.
The thermal overload protection has operated successfully.
6.
The negative sequence overcurrent protection has operated successfully.
7.
The broken conductor protection has operated successfully.
8.
The breaker failure protection has operated successfully.
9.
The undervoltage protection has operated successfully.
10. The overvoltage protection has operated successfully. 11. The last auto-reclosing command has issued successfully. If the auto-reclosing element isn’t in service, the state of the virtual binary input [VBI_Ready_AR] (in submenu “OPR STATE”) will be “0”. NR ELECTRIC CO., LTD.
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4 Supervision, Metering and Control
4 Supervision, Metering and Control 4.1 Overview Though the protection system is in non-operating state under normal conditions, it is waiting for a power system fault to occur at any time and must operate for the fault without fail. When the equipment is in energizing process before the LED “HEALTHY” is on, the equipment needs to be checked to ensure there are no errors. Therefore, the automatic supervision function, which checks the health of the protection system when startup and during normal operation, plays an important role. The numerical relay based on the microprocessor operations is suitable for implementing this automatic supervision function of the protection system. In case a fatal fault is detected during automatic supervision, the equipment will be blocked out. It means that relay is out of service. Therefore you must re-energize the relay or even replace a module to make relay back into service. The relay also provides some auxiliary functions, such as disturbance data record, on-line data metering, remote control function etc. All these make the relay meet the demands of the modern industry requirements.
4.2 Relay Self-supervision 4.2.1 Relay Hardware Supervision The RAM, ROM, DC/DC and A/D elements on the CPU module are monitored to ensure whether they are damaged or have some errors. If any one of them is detected damaged or having error, the equipment will be blocked and issues a relevant alarm signal. The LED indicator “HEALTHY” will be extinguished.
4.2.2 Setting Supervision The settings are checked to ensure them to be correct and not to be modified. If the settings are checked to have any error in them, the alarm signal [Alm_Setting] will be issued and this equipment will be blocked at the same time. The LED indicator “HEALTHY” will be extinguished.
4.2.3 Control Circuit Supervision This device can detect the trip circuit and the close circuit respectively. If the trip circuit failure occurs, this device will issue the alarm signal [Alm_TCS] ([Opt_CBType] = “0”) or [Alm_TCS1] ([Opt_CBType] = “1”) 0.5s later; and if the close circuit failure occurs, this device will issue the alarm signal [Alm_CCS] ([Opt_CBType] = “0”) or [Alm_TCS2] ([Opt_CBType] = “1”) 0.5s later. The LED indicator “ALARM” will be lit at the same time when this device issues anyone of the control circuit failure signals.
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4 Supervision, Metering and Control
4.2.4 Tripped Position Contact Supervision If the relay detects that the tripped auxiliary contact position of the circuit breaker is on, i.e., the value of [BI_52b] is “1” in the submenu “BI STATE”, meanwhile any phase current is greater than 0.06In, and this condition lasts longer than 10 seconds, the alarm signal [Alm_52b] will be issued and the LED indicator “ALARM” will be lit.
4.2.5 Uncharged Binary Input Supervision When circuit breaker spring mechanism is uncharged it will issue an uncharged signal. If the relay detects the uncharged binary input is on, the relay will issue the alarm signal [Alm_Uncharged] when the preset time has elapsed and the LED indicator “ALARM” will be lit. It means that the circuit breaker is not ready for operation.
4.2.6 CT Failure Supervision The main purpose of the current transformer (CT) circuit failure supervision function is to detect faults in the secondary circuits of CT and avoid influence on the operation of corresponding protection functions. This CT failure supervision function will be processed all the time, whether general fault detection picks up or not. The criteria of CTS element are: (1) 3I0 > 0.04×In + 0.25×Imax (“I0” is self-calculated) (2) Imax > 0.04×In In normal operation program of this relay, if the above two conditions are met, the alarm signal [Alm_CTS] will be issued and the LED indicator “ALARM” will be lit. In case the CT circuit is in failure, relevant protection elements will not be blocked.
4.2.7 VT Failure Supervision The voltage transformer supervision (VTS) feature is used to detect failure of the AC voltage inputs to the relay. The VTS logic in the relay is designed to detect the voltage failure and automatically adjust the configuration of protective elements whose stability would otherwise be compromised. A time delay alarm output is also available. The logic diagram of the VTS element is shown as below:
Figure 4.2-1 Logical diagram of the VTS element 28
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4 Supervision, Metering and Control
Where: “Un” is the rated secondary voltage; “In” is the rated secondary current; “U1” is the positive sequence voltage; “U2” is the negative sequence voltage; “Imax” is the maximum phase current; “Umax” is the maximum voltage; [En_VTSBlkUV] is the logic setting of the VTS blocking undervoltage protection. In normal operation program of this relay, if anyone of the above two conditions is met, the alarm signal [Alm_VTS] will be issued 10s later, and the LED indicator “ALARM” will be lit. In case the VT circuit is failed, the relevant protection element will be blocked, if the corresponding setting is enabled (set as “1”).
4.3 Metering The relay produces a variety of both directly and calculated power system quantities. These measurement values are updated on a per second basis. The measurands include Ia, Ib, Ic, I0, Ua, Ub, Uc, U0, Uab, Ubc, Uca, f, P, Q, and COSΦ etc. These measurands are gotten by real-time calculation and real-time summation locally. This calculation is independent with network. All these measurands also can transmit to the SAS or RTU through communication. More information about the communication and protocols, see Chapter 8 “Communication”.
4.4 Remote Control The relay can receive the remote control commands to trip or close the circuit breaker. Before executing a telecontrol command, it is necessary to put the telecontrol handle at the “Remote” position and make the value of [BI_CtrlMode] as “1” in the submenu “BI STATE”. The remote control commands include remote tripping command, remote closing command. More information about the communication and protocols, see Chapter 8 “Communication”.
4.5 Signaling This device provides 10 programmable binary inputs. These programmable binary inputs can be defined as one of the functional binary inputs which are listed in following table.
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Setting value
Relevant binary input function
0
To be defined as regular binary input.
1
To be defined as CB normal open contact binary input.
2
To be defined as CB normal close contact binary input.
3
To be defined as CB closing control binary input.
4
To be defined as CB tripping control binary input.
5
To be defined as control function mode binary input.
6
To be defined as signal resetting signal binary input.
7
To be defined as CB spring uncharged signal binary input.
8
To be defined as blocking auto reclosing binary input.
9
To be defined as emergency tripping binary input.
10
To be defined as external BFP initiation binary input.
11
To be defined as the No.1 enabling binary input of the protection.
12
To be defined as the No.2 enabling binary input of the protection.
13
To be defined as the No.3 enabling binary input of the protection.
14
To be defined as the No.4 enabling binary input of the protection.
NOTE: To all the programmable binary inputs, the setting value “0” can be set to more than one binary input, and other values (“1” ~ “14”) had better not be set repeatedly. If more than one binary input is defined repeatedly, this device will process the same defined binary inputs with “OR” calculation.
4.6 Setting Group Auto-Switching Function This relay can switch the setting group automatically, if the logic setting [En_Set_Switch] is set as “1”; the No.1 group of settings can be in service in the predefined time range which is set through the setting [Time On] and [Time Off] under the submenu “Group Switch”, and the No.2 group of settings can be in service in other time quantum. If the logic setting [En_Set_Switch] is set as “0”, the No.1 group of settings is in service fixedly.
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5 Hardware Description
5 Hardware Description 5.1 Overview The modular design of this device allows the relay to be easily upgraded or repaired by a qualified service person. The faceplate is hinged to allow easy access to the configurable modules, and back-plugging structure design makes it easy to repair or replace any modules. There are several types of hardware modules in this device; each module takes a different part in this device. This device mainly consists of PWR module, CPU module, AI module, EXT module and HMI module. Following figure shows the hardware block diagram of this device.
Figure 5.1-1 Hardware block diagram The following two figures show the front panel and the rear panel of this device.
Figure 5.1-2 Front panel of the PCS-9691E NR ELECTRIC CO., LTD.
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5 Hardware Description
Figure 5.1-3 Rear panel of the PCS-9691E
5.2 AI Module The AI module is an analog input unit. It contains four current transformers. It can transform these high AC input values to relevant low AC output value, which are suited to the analog inputs of the CPU module. The transformers are used both to step-down the currents to levels appropriate to the relay’s electronic circuitry and to provide effective isolation between the relay and the power system. A low pass filter circuit is connected to each transformer secondary circuit for reducing the noise of each analog AC input signal. NOTE: The rated value of the input current transformer is optional: 1A or 5A. The rated value of the CT must be definitely declared in the technical scheme and the contract. NOTE: Because the rated value of the input current transformer is optional, it is necessary to check that whether the rated values of the current transformer inputs are accordant to the demand of the practical engineering before putting the device into operation. A 24-pin connector is fixed on the front of the AI module. The terminal definition of the connector is described as below. Pin connections on the connector of the AI module:
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Pin No.
Sign
601
Ia
602
Ian
603
Ib
604
Ibn
605
Ic
606
Icn
607
I0
608
I0n
609 ~ 616
Description Phase A current input Phase B current input Phase C current input Zero sequence current input Not used
617
Ua
618
Uan
619
Ub
620
Ubn
621
Uc
622
Ucn
623
U0
624
U0n
Phase A voltage input Phase B voltage input Phase C voltage input Zero sequence voltage input
DANGER: Never allow the current transformer (CT) secondary circuit connected to this relay to be opened while the primary system is live. Opening the CT circuit will produce a dangerously high voltage. If this safety precaution is disregarded, personal death, severe personal injury or considerable equipment damage will occur.
5.3 CPU Module The CPU module is the kernel part of this equipment, and contains a powerful microchip processor and some necessary electronic elements. This powerful processor performs all of the functions for the relay: the protection functions, the communication management functions. There are several A/D conversion circuits on this module, which are used to convert the AC analog signals to corresponding DC signals for fulfilling the demand of the electrical level standard. A high-accuracy clock chip is contained in this module, it provide accurate current time for the PCS-9691E. It also contains 8 programmable binary inputs and 2 RS-485 standardized communication ports. The functional details of the CPU module are listed as below: z
Protection calculations The CPU module can calculate protective elements (such as overcurrent element, zero sequence overcurrent etc.) based on the analog inputs and binary inputs, and then decides that whether the device need to trip or reclose.
z
Communication management The CPU module can effectively manage the communication procedure, and reliably send out
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some useful information through its communication ports. Two RS-485 serial interfaces for SAS or RTU are contained in this module. If an event is occurred (such as SOE, protective tripping event etc.), this module will send out the relevant event information through these interfaces to SAS or RTU. z
Auxiliary calculations Basing on the analog inputs, the CPU module also can calculate out the measurement values. All these values can be sent to a SAS or a RTU through the communication interfaces.
A 22-pin connector is fixed on the front of the CPU module. The terminal definition of the connector is described as below. Pin connections on the connector of the CPU module: Pin No.
Sign
Description
401
BI-COM
Common negative connection of the BI_1 to BI_8 binary inputs
402
BI_1
Programmable binary input 1
403
BI_2
Programmable binary input 2
404
BI_3
Programmable binary input 3
405
BI_4
Programmable binary input 4
406
BI_5
Programmable binary input 5
407
BI_6
Programmable binary input 6
408
BI_7
Programmable binary input 7
409
BI_8
Programmable binary input 8
410 ~ 414
Not used
415
485A-1
416
485B-1
417
GND-1
The No.1 serial port: EIA RS-485 standardized communication interface for connecting with a SAS, RTU or RCS-PC
418
FGND
Ground terminal
419
485A-2
420
485B-2
421
GND-2
The No.2 serial port: EIA RS-485 standardized communication interface for connecting with a SAS, RTU or RCS-PC
422
FGND
Ground terminal
5.4 HMI Module The HMI module is installed on the front panel of this device. It is used to observe the running status and event information, and configure the protection settings and device operation mode. It can help the user to know the status of this device and detailed event information easily, and provide convenient and friendly access interface for the user. For further details, see Chapter 6 “HMI Operation Introduction”.
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5 Hardware Description
5.5 PWR Module The power supply module is a converter module with electrical insulation between input and output. The power supply module has an input voltage range and relevant parameters as described in Chapter 2 “Technical Data”. The standardized output voltages are +3.3Vdc, +5Vdc, ±12Vdc and +24Vdc. The tolerances of the output voltages are continuously monitored. The power supply also contains one special binary output and four programmable binary outputs. A 12-pin connector is fixed on the front of the PWR module. The terminal definition of the connector is described as below. Pin connections on the connector of the PWR module: Pin No. 101 102
Sign PWR
PS＋ PS－
103
ALM_1
104
ALM_2
105
BO1_1
106
BO1_2
107
BO2_1
108
BO2_2
109
BO3_1
110
BO3_2
111
BO4_1
112
BO4_2
Description Power supply input Device failure signal output Programmable binary output 1 Programmable binary output 2 Programmable binary output 3 Programmable binary output 4
NOTE: These programmable binary outputs can be configured through the relevant settings. If a programmable binary output is used tripping output with load current detection, the tripping output will keep being closed until the load current is disappeared.
5.6 EXT Module The EXT module consists of some necessary contact outputs which are used for tripping or closing. It also provides two programmable binary inputs and programmable binary outputs. A 22-pin connector is fixed on the front of the EXT module. The terminal definition of the connector is described as below. Pin connections on the connector of the EXT module: Pin No. 201 202 203 204 NR ELECTRIC CO., LTD.
Sign BI_9 BI_10
BI_9＋ BI_9－ BI_10＋ BI_10－
Description Programmable binary input 9 Programmable binary input 10
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5 Hardware Description
205 206 207 208
CCS2 TCS2
CCS2＋ CCS2－ TCS2＋ TCS2－
209
Closing coil supervision input Tripping coil supervision input Not used
CLS－
210
Closing output
211 CLS＋
212 213
CCS1
CCS1＋
Closing coil supervision input
214
TCS1
TCS1＋
Tripping coil supervision input
215
Not used TRP－
216
Tripping output
217 TRP＋
218 219 ~ 220
Not used
221
I＋
222
I－
4~20mA DC output
5.7 Operation Circuit Theory The following figure shows the DC operation circuit of this device for the circuit breaker with independent closing coil and tripping coil. To the AC control circuit of this device, there haven’t the seal-in relays “TBJ” and “HBJ”. It is also can be used for the circuit breaker with double tripping coils, the tripping circuit is for the No.1 tripping coil of the circuit breaker and the closing circuit is for the No.2 closing coil of the circuit breaker respectively. PWR＋
PWR－ HJ
212
210
HBJ
213
CCS1
HBJ
205
CCS2
206 52a
TJ 218 214
CC 52b
216
TBJ
TCS1
207
52a
TBJ
TCS2
TC
208 52b
BI_CtrlCls
402
HJ Closing Input Tripping Input
BI_CtrlTrp
403
PCS-9691E
TJ
Figure 5.7-1 Schematic diagram of the operation circuit of the PCS-9691E 36
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5 Hardware Description
Here, each abbreviation implicates a relevant functional relay. All the abbreviation and their implications are listed in following table. Abbreviation
z
Implication
TBJ
Tripping seal-in relay
HBJ
Closing seal-in relay
TJ
Tripping relay
HJ
Closing relay
Closing Circuit Closing signal is one of the following signals: remote closing signal, protection closing signal, closing binary input [BI_CtrlCls] signal or front panel “CLOSE” button closing signal. When the closing signal binary input contact is closed, the closing relay “HJ” is energized; and then the closing seal-in relay “HBJ” is energized. The closing seal-in relay “HBJ” pickup current is adaptive to the closing current in the range of 0.5A~4.0A. Even if closing signal disappears, the normal open contact of the relay “HBJ” will keep closing to maintain closing circuits working until the circuit breaker is closed successfully and the auxiliary contact of circuit breaker (52b) is open.
z
Trip Circuit Tripping signal is one of the following signals: remote tripping signal, protection tripping signal, tripping binary input [BI_CtrlTrp] signal or front panel “TRIP” button tripping signal. When the tripping signal binary input contact is closed, the tripping relay “TJ” is energized; and then the tripping seal-in relay “TBJ” is energized. The tripping seal-in relay “TBJ” pickup current is adaptive to the closing current in the range of 0.5A~4.0A. Even if tripping signal disappears, the normal open contact of the relay “TBJ” will keep closing to maintain tripping circuits working until the circuit breaker is tripped successfully and the auxiliary contact of circuit breaker (52a) is open.
z
Closing Coil Supervision (1) The circuit breaker is closed. If the closing coil is healthy, this device can detect the “0” state of the “CCS1” and the “1” state of the “CCS2”; otherwise the relay can detect the “0” state of the “CCS1” and the “0” state of the “CCS2”. (2) The circuit breaker is opened. If the closing coil is healthy, this device can detect the “1” state of the “CCS1” and the “0” state of the “CCS2”; otherwise the relay can detect the “0” state of the “CCS1” and the “0” state of the “CCS2”.
z
Tripping Coil Supervision (1) The circuit breaker is closed. If the tripping coil is healthy, this device can detect the “1” state of the “TCS1” and the “0” state of the “TCS2”; otherwise the relay can detect the “0” state of the “TCS1” and the “0” state of the “TCS2”. (2) The circuit breaker is opened. If the tripping coil is healthy, this device can detect the “0”
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5 Hardware Description
state of the “TCS1” and the “1” state of the “TCS2”; otherwise the relay can detect the “0” state of the “TCS1” and the “0” state of the “TCS2”. NOTE: The pulse width of the closing relay “HJ” and the tripping relay “TJ” is 1000ms. If this device detects the circuit breaker is operated successfully according to the command of this device in the pulse width range, the closing relay “HJ” or the tripping relay “TJ” will be restored immediately.
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NR ELECTRIC CO., LTD.
6 HMI Operation Introduction
6 HMI Operation Introduction Human machine interface (HMI) is an important component of the equipment. It is a convenient facility to access the relay from the front local control panel of the device to view desired information, such as measurement quantity, binary input state or program version etc, or modify some system settings or protection settings. This function is very helpful during commissioning before putting the equipment into service. Furthermore, all above functions can be realized through the “RCS-PC” software via the dedicated RS-232 commissioning port on the front panel of this device. This chapter will describe human machine interface (HMI), menu tree and LCD display of the equipment. In addition, how to input settings using keypad is described in detail. For more details about the “RCS-PC” software, refer the “RCS-PC” software instruction manual.
6.1 Human Machine Interface Overview 6.1.1 Design The human-machine interface consists of a human-machine interface (HMI) module which allows the communication as simple as possible for the user. The HMI module includes: z
A 128×64-dot matrix backlight LCD visible in dim lighting conditions for monitoring status, fault diagnostics and setting, etc.
z
Eight LED indicators on the front panel of this device for denoting the status of this protection operation.
z
A 2-multifunction-key keypad on the front panel of the device for full access to the device.
z
A dedicated RS-232 commissioning port for the “RCS-PC” software which is applied to commissioning this device and can show the SOE reports of this device.
z
Two buttons on the front panel of the device for tripping or closing manually on the front panel.
The front panel of the device is shown in Figure 5.1-2.
6.1.2 Functionality z
The HMI module helps to draw your attention to something that has occurred which may activate a LED or a report display on the LCD.
z
You as the operator may have own interest to view a certain data.
z
Use menus navigate through menu commands and to locate the data of interest.
6.1.3 Keypad and Keys The keypad and keys on the front panel of the equipment provide convenience to the operator to view a certain data or change the device’s setting. NR ELECTRIC CO., LTD.
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6 HMI Operation Introduction
The keypad contains two multifunction keys, and each key can be pressed and turned. Pressing the upper key “ENT” can confirm present operation or enter the next level menu; and pressing the lower key “ESC” can cancel present operation or back to the upper level menu. Turning the upper key “MENU” can choose an expected submenu or data; and turning the lower upper key “ADJUST” can modify the selected data. Following figure shows the keypad and keys.
Figure 6.1-1 Keypad on the front panel
6.1.4 LED Indications There are eight LED indicators, which can indicate the operation state of the device. Following figure shows the LED indicators on the front panel of the device. HEALTHY
LED1
ALARM
LED2
TRIP
LED3
CB STATE
LED4
Figure 6.1-2 LED indications on the front panel LED HEALTHY
ALARM TRIP CB STATE LED1~LED4
40
Display
Remarks
Off
When the device is not energized or any hardware failure is detected during supervision.
Steady Green
When the equipment is in service.
Off
When the equipment is in normal operating situation.
Steady Yellow
When any abnormality alarm is issued.
Off
When the equipment is in normal operating condition
Steady Red
Lit when any protection element trips.
Off
When the circuit breaker is opened.
Steady Green
When the circuit breaker is closed.
Off
When the relevant predefined signal is restored.
Steady Green
When the relevant predefined signal is issued.
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6 HMI Operation Introduction
6.1.5 Commissioning Port A dedicated RS-232 standardized commissioning port is on the front of this device. It is used to uplink to the “RCS-PC” software for configuring and debugging this device specially.
Figure 6.1-3 Commissioning port on the front panel
6.1.6 Tripping and Closing Buttons There are two buttons on the front panel of this device. The red button is used to trip the circuit breaker; and the green button is used to close the circuit breaker.
Figure 6.1-4 Tripping and closing buttons on the front panel
6.2 Understand the HMI Menu Tree 6.2.1 Overview In this part, the main layout of the menu which is shown on the LCD of the local human-machine interface (HMI) will be described in detail. Under normal operating condition, press the upper key can enter the main menu of this device. The following figure shows the menu tree structure of this device.
Figure 6.2-1 Menu tree diagram of this device
6.2.2 Submenu of “VALUES” Purpose: This menu is used to view the measured values binary input state and operation state. Access Approach: NR ELECTRIC CO., LTD.
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6 HMI Operation Introduction
Move cursor to the item “VALUES” and press key “ENT” to enter its submenu after entering the main menu of this device. “VALUES” has following submenus. No.
Item
Description
1
MEASUREMENT
To display the measured values.
2
PHASE ANGLE
To display the phase angle values.
3
METERING
To display the metering values.
4
HAR MEA
To display the harmonic values.
5
PROT STATE
To display the protective element state.
6
OPR STATE
To display the device operation state.
7
BI STATE
To display the states of the binary inputs.
6.2.3 Submenu of “REPORT” Purpose: This menu is used to view all kinds of report including trip report, alarm report and so on. Access Approach: Move cursor to the item “REPORT” and press key “ENT” to enter its submenu after entering the main menu of this device. “REPORT” has following submenus. No.
Item
Description
1
TRP REPORT
To display the trip reports.
2
ALM REPORT
To display the self-supervision report.
3
SOE REPORT
To display the SOE reports.
4
CLR REPORT
To clear all kinds of history reports.
5
CLR ENERGY
To clear the electric power energy data.
6
RESET TARGET
To reset all the signals of this relay
7
CLR TCOUNTER
To clear the tripping number counter (the maximum is 9999, and if it is greater than 9999, it will be cleared automatically)
6.2.4 Submenu of “SETTINGS” Purpose: The menu is used to view and modify the settings and parameters of this device. Access Approach: Move cursor to the item “SETTINGS” and press key “ENT” to enter its submenu after entering the main menu of this device. “SETTINGS” has following submenus.
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6 HMI Operation Introduction
No.
Item
Description
1
EQUIP SETUP
To view and modify communication settings.
2
SYS SETTINGS
To view and modify system settings.
3
PROT SETTINGS
To view and modify protection settings.
4
CALBR SETUP
To view and modify measurement accuracy manually.
5
DEFAULT SET
To set all parameters and settings to default values.
“PROT SETTINGS” has following submenus. No.
Item
Description
1
Group 01
To view and modify the No.1 group of settings.
2
Group 02
To view and modify the No.2 group of settings.
3
Group Switch
To view and modify protection settings.
6.2.5 Submenu of “CLOCK” Purpose: This menu is used to modify the clock of this device. Access Approach: Move cursor to the item “CLOCK” and press key “ENT” to enter the clock modification menu after entering the main menu of this device.
6.2.6 Submenu of “VERSION” Purpose: This menu is used to view the program version of this device. Access Approach: Move cursor to the item “VERSION” and press key “ENT” to show the program version after entering the main menu of this device.
6.2.7 Submenu of “LANGUAGE” Purpose: This menu is used to modify the current displaying language of this relay. Access Approach: Move cursor to the item “LANGUAGE” and press key “ENT” to enter the language selection menu after entering the main menu of this device. “LANGUAGE” has following submenus. No.
Item
Description
1
CHINESE
To set the Chinese as default displaying language.
2
ENGLISH
To set the English as default displaying language.
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6 HMI Operation Introduction
6.3 Understand the LCD Display 6.3.1 Default Display under Normal Operation Condition The default display on the LCD is shown as below when the device is in normal situation.
Figure 6.3-1 Default display in normal situation A brief explanation is made in the following table. No.
Display
Explanation
1
09-28
08:32:45
The real time of this device: mm-dd
2
Ia= 002.31 A
The phase A current value.
3
Ib= 002.34 A
The phase B current value.
4
Ic= 002.29 A
The phase C current value.
hh:mm:ss.
NOTE: These values displayed on the LCD are alternative, and they are the default secondary values. Primary values also can be displayed on the LCD by setting the parameter [Opt_SLD_Displ] as “1” in the submenu “SYS SETTINGS” (See Section 7.3).
6.3.2 Display When Tripping If there is any protection element operating, a brief tripping report will appear on the LCD. The format of the fault report is shown as below. In case more than one protection element has operated, the relevant reports will be displayed alternately on the LCD.
Figure 6.3-2 LCD display of the trip report A brief explanation is made in the following table. No.
44
Display 08:33:54
Explanation
1
09-28
2
RT 0000000.132s
The relative time of this operation event: xxxxxxx.xxxs.
3
Op_OC1
The operated protection element.
4
C
The fault phase and its maximum value.
Imax 015.23A
The operation time of this device: mm-dd hh:mm:ss.
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6 HMI Operation Introduction
The tripping report will keep being displayed on LCD until an acknowledgement by pressing the key “ENT”, executing the menu “RESET TARGET” or energizing the binary input [BI_RstTarg]. Protection elements listed below may be displayed. No.
Protection Element
Description
1
Op_FD
At least one of the fault detector elements operates.
2
Op_OC1
The stage 1 overcurrent protection operates.
3
Op_OC2
The stage 2 overcurrent protection operates.
4
Op_OC3
The stage 3 overcurrent protection operates.
5
Op_InvOC
The IDMT overcurrent protection operates.
6
Op_ROC1
The stage 1 zero sequence overcurrent protection operates.
7
Op_ROC2
The stage 2 zero sequence overcurrent protection operates.
8
Op_ROC3
The stage 3 zero sequence overcurrent protection operates.
9
Op_InvROC
The zero sequence IDMT overcurrent protection operates.
10
Op_OvLd
The thermal overload protection operates.
11
Op_NegOC
The negative sequence overcurrent protection operates.
12
Op_BCP
The broken conductor protection operates.
13
Op_BFP
The breaker failure protection operates.
14
Op_UV
The undervoltage protection operates.
15
Op_OV
The overvoltage protection operates.
16
Op_1stAR
The first shot auto recloser operates.
17
Op_2ndAR
The second shot auto recloser operates.
18
Op_3rdAR
The third shot auto recloser operates.
19
On_LEDx (x:1~4)
The corresponding LED is be lit, when the relevant protection element operates.
20
BO_RLYx (x:1~4)
The corresponding output relay has sent the relevant protection element operation signal.
6.3.3 Display under Abnormal Condition If there is any abnormality in the operating or firmware error detected by equipment self-diagnostic, alarm report will be displayed instantaneously on the LCD. Therefore, the default display will be replaced by the alarm report. In case there is more than one alarm has occurred, the information will be displayed alternately on the LCD.
Figure 6.3-3 LCD display of the alarm report A brief explanation is made in the following table.
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6 HMI Operation Introduction
No.
Display 08:33:54
Explanation
1
09-28
The real time of this device: mm-dd
2
Alm_52b
The abbreviation of the alarm event.
3
Alm_CCS
The abbreviation of the alarm event.
hh:mm:ss.
Alarm elements listed below may be displayed. No.
Alarm Information
Description
1
Alm_Setting
There is a mistake in the settings.
2
Alm_ModSetting
The settings have been modified.
3
Alm_PersistFD
The fault detector is keeping pickup for a long time.
4
Alm_52b
The auxiliary contact of the circuit breaker is abnormal.
5
Alm_ROM
The content of the ROM is broken.
6
Alm_Upgrade
The program of the device is upgraded.
7
Alm_I2C
The I2C bus is abnormal.
8
Alm_CTS
The current transformer circuit is abnormal.
9
Alm_CCS / Alm_TCS2
The closing circuit or the No.2 tripping circuit is broken.
10
Alm_TCS / Alm_TCS1
The tripping circuit or the No.1 tripping circuit is broken.
11
Alm_Uncharged
The circuit breaker is uncharged.
12
Alm_VTS
The voltage transformer circuit is abnormal.
13
Alm_SPI
The SPI1 interface is abnormal.
14
Alm_AD
The A/D converter is abnormal.
15
Alm_ROC3
The zero sequence current alarm element operates.
6.4 View the Settings Here take viewing the No.1 group of protection settings as an example to introduce the operating steps of viewing setting for operators. Operating steps: 1.
Press key “ENT” to enter the main menu.
2.
Turn key “MENU” to locate the cursor on the submenu “SETTINGS” and press key “ENT” to enter this submenu.
3.
Turn key “MENU” to locate the cursor on the submenu “PROT SETTINGS” and press key “ENT” to enter this submenu.
4.
Turn key “MENU” to locate the cursor on the submenu “Group 01” and press key “ENT” to enter this submenu.
5.
Turn key “MENU” to select one of the enabled protection elements (take “OC1 SETTINGS” as an example), and press key “ENT” to show the detailed settings of the selected protection element.
6.
Turn key “MENU” to view the expected settings.
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6 HMI Operation Introduction
Figure 6.4-1 LCD display of the settings A brief description about the setting interface is made in the following table. No.
Display
Explanation
1
I_OC1
The setting item name.
2
07.00 A
The setting’s value and unit.
3
t_OC1
The setting item name.
4
02.00 s
The setting’s value and unit.
6.5 View Device Status 6.5.1 Display Analogue Data Measured values mean AC sampled data in the submenu “MEASUREMENT”, “PHASE ANGLE”, “METERING” and “HAR MEA”. Take viewing AC sampled data of “MEASUREMENT” as an example. Operating steps: 1.
Press key “ENT” to enter the main menu.
2.
Turn key “MENU” to locate the cursor on the submenu “VALUES” and press key “ENT” to enter this submenu.
3.
Turn key “MENU” to locate the cursor on the submenu “MEASUREMENT” and press key “ENT” to enter this submenu.
4.
Turn key “MENU” to view the expected measured values.
Figure 6.5-1 LCD display of the measured values A brief description about the measured value interface is made in the following table. No. 1
Display Ia= 002.31 A
NR ELECTRIC CO., LTD.
Explanation Measured value name and unit. 47
6 HMI Operation Introduction
2
Ib= 002.33 A
Measured value name and unit.
3
Ic= 002.29 A
Measured value name and unit.
4
I1= 002.31A
Measured value name and unit.
NOTE: These analogue data values displayed on the LCD can be the secondary values or the primary values by setting the parameter [Opt_SLD_Displ] in the submenu “SYS SETTINGS” (See Section 7.3). Protection measurement data are listed below. No.
Symbol
Description
1
Ia
The phase A current
2
Ib
The phase B current
3
Ic
The phase C current
4
I1
The positive sequence current
5
I2
The negative sequence current
6
I0
The zero sequence current
7
Ua
The phase A voltage
8
Ub
The phase B voltage
9
Uc
The phase C voltage
10
Uab
The phase A to phase B voltage
11
Ubc
The phase B to phase C voltage
12
Uca
The phase C to phase A voltage
13
U1
The positive sequence voltage
14
U2
The negative sequence voltage
15
U0
The zero sequence voltage
16
U0sm
The self-calculated zero sequence voltage
17
ResT
The residual time of the overload protection operation
18
Accu
The thermal overload accumulation percent value
Phase angle data are listed below. No.
Symbol
Description
1
(UA-IA)
The angle of phase A voltage and phase A current
2
(UB-IB)
The angle of phase B voltage and phase B current
3
(UC-IC)
The angle of phase C voltage and phase C current
4
(UA-UB)
The angle of phase A voltage and phase B voltage
5
(UB-UC)
The angle of phase B voltage and phase C voltage
6
(UC-UA)
The angle of phase C voltage and phase A voltage
7
(U0-I0)
The angle of the zero sequence voltage and current
8
(IA-IB)
The angle of phase A current and phase A current
9
(IB-IC)
The angle of phase B current and phase B current
10
(IC-IA)
The angle of phase C current and phase C current
Metering measurement data are listed below. 48
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6 HMI Operation Introduction
No.
Symbol
Description
1
Ia
The current value of phase C from metering CT
2
Ib
The current value of phase C from metering CT
3
Ic
The current value of phase C from metering CT
4
I0
The zero sequence current value
5
Ua
The voltage value of phase A
6
Ub
The voltage value of phase B
7
Uc
The voltage value of phase C
8
Uab
The voltage value of phase A to phase B
9
Ubc
The voltage value of phase B to phase C
10
Uca
The voltage value of phase C to phase A
11
U0
The zero sequence voltage value
12
f
The system frequency
13
P_a
The active power of phase A
14
P_b
The active power of phase B
15
P_c
The active power of phase C
16
P
The active power
17
Q_a
The reactive power of phase A
18
Q_b
The reactive power of phase B
19
Q_c
The reactive power of phase C
20
Q
The reactive power
21
S_a
The apparent power of phase A
22
S_b
The apparent power of phase B
23
S_c
The apparent power of phase C
24
S
The apparent power
25
COSΦ_a
The power factor of phase A
26
COSΦ_b
The power factor of phase B
27
COSΦ_c
The power factor of phase C
28
COSΦ
The power factor
29
N_Trp
The tripping number counter
30
kWh_Out
The outgoing active energy
31
kWh_In
The incoming active energy
32
kVarh_Out
The outgoing reactive energy
33
kVarh_In
The incoming reactive energy
NOTE: The energy values only show the secondary values. Harmonic measurement data are listed below. No. 1 2 3
Symbol Ia_02 Ib_02 Ic_02
NR ELECTRIC CO., LTD.
Description The 2
nd
harmonic current of phase A
The 2
nd
harmonic current of phase B
The 2
nd
harmonic current of phase C
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6 HMI Operation Introduction
4
Ua_02
The 2nd harmonic voltage of phase A
5
Ub_02
The 2nd harmonic voltage of phase B
6
Uc_02
The 2nd harmonic voltage of phase C
7
Ia_03
The 3rd harmonic current of phase A
8
Ib_03
The 3rd harmonic current of phase B
9
Ic_03
The 3rd harmonic current of phase C
10
Ua_03
The 3rd harmonic voltage of phase A
11
Ub_03
The 3rd harmonic voltage of phase B
12
Uc_03
The 3rd harmonic voltage of phase C
…
……
……
79
Ia_15
The 15th harmonic current of phase A
80
Ib_15
The 15th harmonic current of phase B
81
Ic_15
The 15th harmonic current of phase C
82
Ua_15
The 15th harmonic voltage of phase A
83
Ub_15
The 15th harmonic voltage of phase B
84
Uc_15
The 15th harmonic voltage of phase C
6.5.2 Display the Status of Binary Inputs Operating steps: 1.
Press key “ENT” to enter the main menu.
2.
Turn key “MENU” to locate the cursor on the submenu “VALUES” and press key “ENT” to enter this submenu.
3.
Turn key “MENU” to locate the cursor on the submenu “BI STATE” and press key “ENT” to enter this submenu.
4.
Turn key “MENU” to view the expected binary input state.
1 2 3 4
BI_52a BI_52b BI_EmergTrp BI_CtrlCls
: : : :
1 0 0 0
Figure 6.5-2 LCD display of the binary input state A brief description about the binary input state interface is made in the following table. No.
50
Display
Explanation
1
BI_52a
:1
Binary input name and state.
2
BI_52b
:0
Binary input name and state.
3
BI_EmergTrp : 0
Binary input name and state.
4
BI_CtrlCls
Binary input name and state.
:0
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6 HMI Operation Introduction
Refer to the following table to see more information about the binary inputs. No.
Symbol
Description
1
BI_52a
The binary input of the CB normal open auxiliary contact.
2
BI_52b
The binary input of the CB normal close auxiliary contact.
3
BI_EmergTrp
The binary input of the emergency tripping signal.
4
BI_CtrlCls
The binary input of the closing signal.
5
BI_CtrlTrp
The binary input of the tripping signal.
6
BI_CtrlMode
The binary input of the remote/local control mode signal.
7
BI_RstTarg
The binary input of the resetting signal.
8
BI_Uncharged
The binary input of the CB spring uncharged signal.
9
BI_Ext_BFP
The binary input of the external BFP initiation signal.
10
EBI_Lockout
The binary input of the blocking auto reclosing signal.
11
BI_HMICls
The binary input of the HMI closing signal.
12
BI_HMITrp
The binary input of the HMI tripping signal.
13
BI_CCVolt
The binary input of the CB closing circuit voltage signal.
14
BI_TCVolt
The binary input of the CB tripping circuit voltage signal.
15
BI_TeleCls
The binary input of the remote closing signal.
16
BI_TeleTrp
The binary input of the remote tripping signal.
17
EBI_1
The No.1 enabling binary input of the protection.
18
EBI_2
The No.2 enabling binary input of the protection.
19
EBI_3
The No.3 enabling binary input of the protection.
20
EBI_4
The No.4 enabling binary input of the protection.
21
BI_1 ~ BI_10
The state of the binary input 1 to binary input 10.
6.5.3 Display the Status of Protection Elements Operating steps: 1.
Press key “ENT” to enter the main menu.
2.
Turn key “MENU” to locate the cursor on the submenu “VALUES” and press key “ENT” to enter this submenu.
3.
Turn key “MENU” to locate the cursor on the submenu “PROT STATE” and press key “ENT” to enter this submenu.
4.
Turn key “MENU” to view the expected protection element state.
Figure 6.5-3 LCD display of the protection element state A brief description about the protection element state interface is made in the following table. NR ELECTRIC CO., LTD.
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6 HMI Operation Introduction
No.
Display
Explanation
1
Op_OC1
:0
Protection element name and state.
2
Op_OC2
:0
Protection element name and state.
3
Op_OC3
:0
Protection element name and state.
4
Op_InvOC
:0
Protection element name and state.
Refer to the following table to see more information about the protection elements. No.
Symbol
Description
1
Op_FD
The fault detector element.
2
Op_OC1
The stage 1 overcurrent protection element.
3
Op_OC2
The stage 2 overcurrent protection element.
4
Op_OC3
The stage 3 overcurrent protection element.
5
Op_InvOC
The IDMT overcurrent protection element.
6
Op_ROC1
The stage 1 zero sequence overcurrent protection element.
7
Op_ROC2
The stage 2 zero sequence overcurrent protection element.
8
Op_ROC3
The stage 3 zero sequence overcurrent protection element.
9
Op_InvROC
The zero sequence IDMT overcurrent protection element.
10
Op_OvLd
The thermal overload protection element.
11
Op_NegOC
The negative sequence overcurrent protection element.
12
Op_BCP
The broken conductor protection element.
13
Op_BFP
The breaker failure protection element.
14
Op_1stAR
The first shot auto recloser element.
15
Op_2ndAR
The second shot auto recloser element.
16
Op_3rdAR
The third shot auto recloser element.
17
Op_OV
The overvoltage element.
18
Op_UV
The undervoltage element.
19
Op_PhA
The fault is occurred at phase A.
20
Op_PhB
The fault is occurred at phase B.
21
Op_PhC
The fault is occurred at phase C.
6.5.4 Display the Operation Status Operating steps: 1.
Press key “ENT” to enter the main menu.
2.
Turn key “MENU” to locate the cursor on the submenu “VALUES” and press key “ENT” to enter this submenu.
3.
Turn key “MENU” to locate the cursor on the submenu “OPR STATE” and press key “ENT” to enter this submenu.
4.
Turn key “MENU” to view the expected device operation state.
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6 HMI Operation Introduction
Figure 6.5-4 LCD display of the device operation state A brief description about the device operation state interface is made in the following table. No.
Display
Explanation
1
VBI_DevMode
:1
Device operation state name and its present state.
2
VBI_Ready_AR : 1
Device operation state name and its present state.
3
VBI_Set1_On
:1
Device operation state name and its present state.
4
VBI_Set2_On
:0
Device operation state name and its present state.
Refer to the following table to see more information about the device operation state. No.
Symbol
Description
1
VBI_DevMode
Whether the protected device is in service.
2
VBI_Ready_AR
Whether the auto-recloser is ready for operation.
3
VBI_Set1_On
Whether the No.1 of group of settings is in service.
4
VBI_Set2_On
Whether the No.2 of group of settings is in service.
5
ExtIO
Whether the EXT module is fixed.
6
PwrOn
Whether this device is power on.
6.6 View Software Version By viewing the software version, the program version of this device can be known. Operating steps: 1.
Press key “ENT” to enter the main menu.
2.
Turn key “MENU” to locate the cursor on the submenu “VERSION”.
3.
Press key “ENT” to enter this submenu to view the program version.
Figure 6.6-1 LCD display of the software version A brief description about the software version interface is made in the following table. NR ELECTRIC CO., LTD.
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6 HMI Operation Introduction
No.
Display
Explanation
1
PCS-9691E_2.00
Program name and its version.
2
CRC: 426C6C74
Program check code.
3
SUBQ00047190
Program development number.
4
08-12-01
Program creation date and time: yy-mm-dd hh:mm.
15:38
NOTE: It is only a sample which is used to explain the indication of the software version menu. The software version of the device of the practical engineering should be taken as final and binding.
6.7 View History Reports This device can record and store the history reports which include the protection tripping reports, the self supervision reports and the binary input change reports. It provides convenience for viewing the history reports at any time. Operating steps 1.
Press key “ENT” to enter the main menu.
2.
Turn key “MENU” to locate the cursor on the submenu “REPORT” and press key “ENT” to enter this submenu.
3.
Turn key “MENU” to locate the cursor on the expected submenu (“TRP REPORT”, “ALM REPORT”, etc.) and press key “ENT” to enter this selected submenu.
4.
Turn key “MENU” to view the expected history reports in the selected submenu. If there is no report in the selected submenu, it will show “No Report” on the LCD.
6.8 Operation through Keypad 6.8.1 Password Protection For the safety purpose, this device provides password protection function for viewing the relevant menus, deleting the history reports and modifying the settings. The menu structure contains two levels of access. The level of access is enabled determines what users can do by entry of password. The levels of access are summarized in the following table: Access level
Operations enabled
Level 0
Read all the menus and delete the history reports.
Level 1
Read all the menus and delete the history reports, modify the settings, modify the clock, and close or open the circuit breaker through the front panel.
The Level 0 password is 3-digit number, and its default value is “111”. It can be set through the setting [Password] in submenu “EQUIP SETUP”. If it is set as “000”, the operation with Level 0 54
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6 HMI Operation Introduction
password does not need the password, and the Level 0 password input interface is hidden. The Level 1 password is 3-digit number too, and it can be calculated according to the following formula based on the current clock of this device. Level 1 Password = (The ones place of the current hour number + 5)2 For example, the current clock of this device is “17:43:25”, so the current Level 1 password is 144 ((7+5)2 = 144). The password will be valid for one minute if the last inputted password is correct; and the password will be invalid if there has no keypad operation in one minute. The password input interface is shown as below.
Figure 6.8-1 Password input interface If the inputted password is correct, the relevant operation can be executed; otherwise, it will show “Invalid Password” on the LCD and prompt the user to input the password again.
6.8.2 Change the Settings Operating steps 1.
Refer the Section 6.4 to locate the cursor on the expected setting, and then press key “ENT” to enter the setting modification state.
2.
Turn key “MENU” to locate the cursor on the expected digital place, and then press key “ADJUST” to change the number to the expected one.
3.
After finishing the setting modification, press key “ESC” repeatedly until the password input interface. Input the correct Level 1 password and press key “ENT” to confirm the modification. If the modification is given up, press key “ESC” to exit the modification operation.
4.
After confirming the setting modification, it will show “Waiting…” on the LCD. Then the device will restart, and the new settings will be in service. NOTE: It is necessary to certify the entered settings are correct absolutely before confirming the setting modification.
6.8.3 Clock Set Operating steps 1.
Press key “ENT” to enter the main menu.
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6 HMI Operation Introduction
2.
Turn key “MENU” to locate the cursor on the submenu “CLOCK” and press key “ENT” to enter this submenu.
3.
Turn key “MENU” to locate the cursor on the expected digital place, and then press key “ADJUST” to change the number to the expected one.
4.
After finishing the clock modification, press key “ENT” and input the Level 1 password to confirm the modification.
The clock modification interface is shown as below.
Figure 6.8-2 Clock modification interface The date format is yy-mm-dd, and the time format is hh:mm:ss.
6.8.4 Delete Records Operating steps 1.
Press key “ENT” to enter the main menu.
2.
Turn key “MENU” to locate the cursor on the submenu “REPORT” and press key “ENT” to enter this submenu.
3.
Turn key “MENU” to locate the cursor on the submenu “CLR REPORT” press key “ENT” to enter password input interface.
4.
Input the correct password, and then press key “ENT” to delete all the history records.
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NR ELECTRIC CO., LTD.
7 Settings
7 Settings 7.1 Overview The settings are used to determine the characteristic of each protective element and operation mode of the relay. It is necessary to configure the settings of this relay according to engineering demands before putting this relay into service. If the settings aren’t configured correctly, the relay maybe work abnormally (such as communication interrupted), even sometimes much more serious accident will occur (such as unwanted operation, missing operation). The settings of this relay include communication settings, system settings and protection settings. The user can configure these settings or parameters manually (see Section 6.8.2 “Change the Settings”). Remote modification through the “RCS-PC” software or the SCADA system (based on the communication protocol) is also supported. NOTE: If a CPU module is replaced, it is necessary to configure all the settings again according to the configuration of the CPU module which is replaced.
7.2 Communication Settings (EQUIP SETUP) The communication settings are used to configure the communication parameters between this device and the SCADA system. The modification and control popedom parameters are also contained in this submenu. No.
Menu Text
Range
Step
Default PCC001
Explanation
1
Equip_ID
6 characters
Equipment ID
2
Password
000~999
1
111
Device password
3
Comm_Addr
0~255
1
001
Communication address
4
COM_Baud
1200~19200
1
19200
5
COM_Protocol
0~3
1
0
Communication baud rate Communication protocol
NOTE: 1.
The equipment ID can be set according to the protected equipment code number.
2.
The password can be set according to the user’s demand.
3.
The communication address must be unique in the whole substation.
4.
The communication baud rate is 1200, 2400, 4800, 9600, 14400 or 19200.
5.
The setting [COM_Protocol] is used to select a communication protocol: “0” is Modbus; “1” is “IEC60870-5-103”; “2” is “DNP3.0”; and “3” is “RCS-PC”.
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7 Settings
7.3 System Settings (SYS SETTINGS) The system settings are mainly used to enable or disable the protection elements and configure the system operation parameters. Two submenus are contained in the relevant menu: “PROT CONFIG” and “SYS SETTINGS”. The “PROT CONFIG” menu is used to enable or disable the protection elements; and the “SYS SETTINGS” menu is used to configure the system operation parameters. The protection logic settings in the submenu “PROT CONFIG” are listed the following table. No.
Menu Text
Range
Step
Default
Explanation
1
En_OC1
0~1
1
1
Enable the stage 1 overcurrent protection
2
En_OC2
0~1
1
1
Enable the stage 2 overcurrent protection
3
En_OC3
0~1
1
1
Enable the stage 3 overcurrent protection
4
En_ROC1
0~1
1
1
Enable the stage 1 residual overcurrent protection
5
En_ROC2
0~1
1
1
Enable the stage 2 residual overcurrent protection
6
En_ROC3
0~1
1
1
Enable the stage 3 residual overcurrent protection
7
En_OvLd
0~1
1
1
Enable the thermal overload protection
8
En_NegOC
0~1
1
1
Enable the negative sequence overcurrent protection
9
En_BCP
0~1
1
1
Enable the broken conductor protection
10
En_BFP
0~1
1
1
Enable the breaker failure protection
11
En_AR
0~1
1
1
Enable the auto reclosing function
12
En_OV/UV
0~1
1
1
Enable the voltage protection
13
En_VTS
0~1
1
1
Enable the VT supervision function
14
En_CTS
0~1
1
1
Enable the CT supervision function
15
En_CCS
0~1
1
1
Enable the closing circuit supervision function
16
En_TCS
0~1
1
1
Enable the tripping circuit supervision function
17
En_Alm_52b
0~1
1
1
Enable the tripping auxiliary contact alarm function
18
En_TestMode
0~1
1
0
Enable the test mode function of this device
NOTE: If the test mode function of this device is enabled, only the “RCS-PC” software can do the test function. The test function can be done through local HMI. The system settings in the submenu “SYS SETTINGS” are listed as below. No.
Menu Text
Range
Step
Default
Explanation
1
I1n_CT_Prot
0~6000 A
1A
100A
2
I2n_CT_Prot
5/1 A
1A
5A
Rated secondary value of phase CT
3
I1n_CT_ROC
0~6000 A
1A
10A
Rated primary value of zero sequence CT
4
I2n_CT_ROC
5/1 A
1A
5A
Rated secondary value of zero sequence CT
5
U1n_VT
0~500kV
0.1kV
20kV
Rated primary value of VT
6
U2n_VT
57~120V
0.1V
100V
Rated secondary value of VT
7
U2n_DeltVT
57~120V
0.1V
100V
Rated secondary value of zero sequence VT
8
I_dcmA_Out
0.5~9.9
0.01
1
58
Rated primary value of phase CT
The multiple of the rated value NR ELECTRIC CO., LTD.
7 Settings 0x0000
The configuration of the No.1 enabling binary
1
0x0000
1
0x0000
1
0x0000
1
0x0000
0~11
1
0
Opt_TctrlMode
0~1
1
0
0: Local / 1: Remote, see NOTE 2
15
En_Blk_HMICtrl
0~1
1
0
Block the button control function
16
Opt_SLD_Displ
0~1
1
0
0: secondary value 1: primary value
17
Opt_V_Input
0~1
1
0
0: phase voltage 1: Phase-to-phase voltage
18
En_Set_Switch
0~1
1
0
Enable the setting group auto-switching function
19
Opt_Calc_3I0
0~1
1
0
20
Opt_Dir_ROC
0~1
1
0
Select the RCA for ROC; 0: 225°, 1: 45°
21
Opt_CBType
0~1
1
0
Select the type of a circuit breaker
22
Opt_Wave_Trig
0~1
1
0
9
Cfg_EBI1
10
Cfg_EBI2
11
Cfg_EBI3
12
Cfg_EBI4
13
Def_dcmA_Out
14
~0x07FF 0x0000 ~0x07FF 0x0000 ~0x07FF 0x0000 ~0x07FF
input of protection The configuration of the No.2 enabling binary input of protection The configuration of the No.3 enabling binary input of protection The configuration of the No.4 enabling binary input of protection 0: not defined; 1: Ia; 2: Ib; 3: Ic; 4: Ua; 5: Ub; 6: Uc; 7: P; 8: Q; 9: Uab; 10: Ubc; 11: Uca
Zero sequence current is calculated 0:from neutral CT 1:self-calculation
Select the mode for trigging wave recording; 0: FD trigging, 1: Trip trigging Select the IDMT element pickup mode;
23
Opt_IDMT_FD
0~1
1
0
0: picks up when tripping, 1: picks up when current is greater than setting
24
Def_BI_1
0~10
1
4
0: not defined, used as regular binary input
25
Def_BI_2
0~10
1
5
1: defined as “BI_52a”
26
Def_BI_3
0~10
1
6
2: defined as “BI_52b”
27
Def_BI_4
0~10
1
7
3: defined as “BI_EmergTrp”
28
Def_BI_5
0~10
1
8
4: defined as “BI_CtrlCls”
29
Def_BI_6
0~10
1
1
5: defined as “BI_CtrlTrp”
30
Def_BI_7
0~10
1
2
6: defined as “BI_CtrlMode”
31
Def_BI_8
0~10
1
3
7: defined as “BI_RstTarg”
32
Def_BI_9
0~10
1
9
8: defined as “BI_Uncharged” 9: defined as “EBI_Lockout” 10: defined as “BI_Ext_BFP” 11: defined as “EBI_1”
33
Def_BI_10
0~10
1
10
12: defined as “EBI_2” 13: defined as “EBI_3” 14: defined as “EBI_4”
0x0000
1
0x0000
0~15
1
11
0: defined as “TrpLog”
Def_LED2
0~15
1
6
1: defined as “Alm_CTS” state
Def_LED3
0~15
1
7
2: defined as CB closed state
34
Cfg_RevBI
35
Def_LED1
36 37
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~0x03FF
Reverse the relevant binary input.
59
7 Settings 38
Def_LED4
0~15
1
10
3: defined as CB opened state
39
Def_RLY1
0~15
1
0
4: defined as Remote/Local state
40
Def_RLY2
0~15
1
0
5: defined as “Alm_52b” state
41
Def_RLY3
0~15
1
0
6: defined as communication state 7: defined as AR ready state 8: defined as “Alm_CCS” state 9: defined as “Alm_TCS” state 10: defined as “TrpLog_Hold” 11: defined as “VBI_Set1_On” state
42
Def_RLY4
0~15
1
0
12: defined as “VBI_Set2_On” state 13: defined as “BO_Pkp_IDMT” (OC IDMT) 14: defined as “BO_Pkp_IDMT0” (ROC IDMT) 15: defined as “Pkp_IDMT_H” (OC IDMT pickup) 16: defined as “Pkp_IDMT0_H” (ROC IDMT pickup) 17: defined as “TrpLog_I_Hold”
Expand the setting [Cfg_EBIx] (x: 1~4) and its corresponding bit meaning. 1
Bit0
0~1
1
0
defined as “EBI_OC1”
2
Bit1
0~1
1
0
defined as “EBI_OC2”
3
Bit2
0~1
1
0
defined as “EBI_OC3”
4
Bit3
0~1
1
0
defined as “EBI_ROC1”
5
Bit4
0~1
1
0
defined as “EBI_ROC2”
6
Bit5
0~1
1
0
defined as “EBI_ROC3”
7
Bit6
0~1
1
0
defined as “EBI_OvLd”
8
Bit7
0~1
1
0
defined as “EBI_NegOC”
9
Bit8
0~1
1
0
defined as “EBI_BCP”
10
Bit9
0~1
1
0
defined as “EBI_BFP”
11
Bit10
0~1
1
0
defined as “EBI_OV”
12
Bit11
0~1
1
0
defined as “EBI_UV”
Expand the setting [Cfg_RevBI] and its corresponding bit meaning. 1
Bit0
0~1
1
0
defined as “Rev_BI_8”
2
Bit1
0~1
1
0
defined as “Rev_BI_7”
3
Bit2
0~1
1
0
defined as “Rev_BI_6”
4
Bit3
0~1
1
0
defined as “Rev_BI_5”
5
Bit4
0~1
1
0
defined as “Rev_BI_4”
6
Bit5
0~1
1
0
defined as “Rev_BI_3”
7
Bit6
0~1
1
0
defined as “Rev_BI_2”
8
Bit7
0~1
1
0
defined as “Rev_BI_1”
9
Bit8
0~1
1
0
defined as “Rev_BI_9”
10
Bit9
0~1
1
0
defined as “Rev_BI_10”
NOTE: 1.
System settings is related to the protection activities, thus it is necessary to configure theses
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7 Settings
settings according to actual conditions. 2.
The setting [Cfg_EBIx] (x: 1~4) is used to configure the corresponding enabling binary input [EBI_x] (x: 1~4). If the enabling binary input of a protective element is define in more than one setting [Cfg_EBIx] (x: 1~4), if any corresponding binary input [EBI_x] (x: 1~4) (if defined) is not energized, the relevant protective element is blocked.
3.
If the setting [Opt_TctrlMode] is set as “0”, when the binary input [BI_CtrlMode] is “1”, the binary input [BI_CtrlCls] and [BI_CtrlTrp] are invalid, when the binary input [BI_CtrlMode] is “0”, the binary input [BI_CtrlCls] and [BI_CtrlTrp] are valid. If the setting [Opt_TctrlMode] is set as “1”, the situation is opposite to the former description.
4.
If the setting [En_Blk_HMICtrl] is set as “1”, the button on the front panel for tripping or closing the circuit breaker is invalid.
5.
If the setting [Opt_V_Input] is set as “0”, the phase voltages are input to this device; and if it is set as “1”, the phase-to-phase voltages are input to this device.
6.
The setting [Opt_CBType] is used for deciding the type of a circuit breaker which are controlled by this devcie. If the setting [Opt_CBType] is set as “0”, the circuit breaker is a circuit breaker with an independent closing coil and an independent tripping coil; and if it is set as “1”, the circuit breaker is a circuit with two independent tripping coils.
7.
The binary input “BI_1” to “BI_10” can be defined according the demand of the practical engineering. If a binary input need to be reversed, the corresponding bit in the setting [Cfg_RevBI] need to be set as “1”.
8.
According the demand of the practical engineering, any LED indicator and any programmable binary output can be defined as a special signal indicator. The signal “TrpLog” means the tripping instantaneous signal; the signal “TrpLog_Hold” means the tripping holding signal; and the signal “TrpLog_I_Hold” means the tripping signal with load current detection.
7.4 Protection Settings (PROT SETTINGS) The protection settings are used to determine the characteristic of each protection element. All the protection settings of this relay are listed in following table. No.
Menu Text
Range
Step
Default
Explanation
1
I_OC1
0.01~20In
0.01A
7A
2
t_OC1
0~50s
0.01s
0.5s
The time setting of the OC1 protection
3
TrpLog_OC1
0000~FFFF
1
00C3
The output setting of the OC1 protection
4
I_OC2
0.01~20In
0.01A
6A
The current setting of the OC2 protection
5
t_OC2
0~50s
0.01s
1s
The time setting of the OC2 protection
6
TrpLog_OC2
0000~FFFF
1
00C3
The output setting of the OC2 protection
7
I_OC3
0.01~20In
0.01A
5.5A
The current setting of the OC3 protection
8
t_OC3
0~50s
0.01s
10s
The time setting of the OC3 protection
9
Opt_InvOC
0~10
1
0
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The current setting of the OC1 protection
The inverse curve of the OC3 protection
61
7 Settings 10
TD_InvOC
0.05~15.00
0.01
1.00
The time coefficient setting of the IDMT OC3.
11
TrpLog_OC3
0000~FFFF
1
00C3
The output setting of the OC3 protection
12
I_ROC1
0.01~20In
0.01A
7A
13
t_ROC1
0~50s
0.01s
0.5s
The time setting of the ROC1 protection
14
TrpLog_ROC1
0000~FFFF
1
00C3
The output setting of the ROC1 protection
15
En_Dir_ROC1
0~1
1
0
16
I_ROC2
0.01~20In
0.01A
6A
The current setting of the ROC2 protection
17
t_ROC2
0~50s
0.01s
1s
The time setting of the ROC2 protection
18
TrpLog_ROC2
0000~FFFF
1
00C3
19
En_Dir_ROC2
0~1
1
0
20
I_ROC3
0.01~20In
0.01A
5.5A
The current setting of the ROC3 protection
21
t_ROC3
0~50s
0.01s
10s
The time setting of the ROC3 protection
22
Opt_InvROC
0~10
1
0
23
TD_InvROC
0.05~15.00
0.01
1.00
The time coefficient setting of the IDMT ROC3
24
TrpLog_ROC3
0000~FFFF
1
00C3
The output setting of the ROC3 protection
25
En_Dir_ROC3
0~1
1
0
26
I_OvLd
0.01~20In
0.01A
5A
The current setting of the overload protection
27
TD_OvLd
0.2~15.0
0.01
1.0
The coefficient setting of the overload protection
28
TrpLog_OvLd
0000~FFFF
1
00C3
29
I_NegOC
0.01~20In
0.01A
2A
30
t_NegOC
0~50s
0.01s
0.5s
31
TrpLog_NegOC
0000~FFFF
1
00C3
32
Ratio_I2/I1
0.2~1.0
0.01
0.5
The ratio setting of the broken conductor protection
33
t_BCP
0~50s
0.01s
0.5s
The time setting of the broken conductor protection
34
TrpLog_BCP
0000~FFFF
1
00C3
The output setting of the broken conductor protection
35
I_OC_BFP
0.01~20In
0.01A
5A
36
t_OC_BFP
0~50s
0.01s
0.5s
The time setting of the breaker failure protection
37
TrpLog_BFP
0000~FFFF
1
00C3
The output setting of the breaker failure protection
38
En_52b_Ctrl_BFP
0~1
1
1
39
En_Trip_Ctrl_BFP
0~1
1
1
40
N_AR
1~3
1
1
The auto recloser shot number
41
t_1stAR
0.01~50s
0.01s
1s
The time setting of the first turn AR
42
t_2ndAR
0.01~50s
0.01s
1s
The time setting of the second turn AR
43
t_3rdAR
0.01~50s
0.01s
1s
The time setting of the third turn AR
44
V_OV
105~600V
0.01V
160V
62
The current setting of the ROC1 protection
The logic setting of the directional element of the stage 1 zero sequence overcurrent protection.
The output setting of the ROC2 protection The logic setting of the directional element of the stage 2 zero sequence overcurrent protection.
The inverse curve of the ROC3 protection
The logic setting of the directional element of the stage 3 zero sequence overcurrent protection.
The output setting of the thermal overload protection The current setting of the negative sequence overcurrent protection The
time
setting
of
the
negative
sequence
overcurrent protection The output setting of the negative sequence overcurrent protection
The current setting of the breaker failure protection
The logic setting of the breaker failure protection with the control of the circuit breaker state The logic setting of the breaker failure protection with the control of the relay operation state
The voltage setting of the overvoltage protection
NR ELECTRIC CO., LTD.
7 Settings 45
t_OV
0~50s
0.01s
1.5s
The time setting of the overvoltage protection
46
TrpLog_OV
0000~FFFF
1
00C3
The output setting of the overvoltage protection
47
V_UV
10~600V
0.01V
60V
The voltage setting of the undervoltage protection
48
t_UV
0~50s
0.01s
1.5s
The time setting of the undervoltage protection
49
TrpLog_UV
0000~FFFF
1
00C3
The output setting of the undervoltage protection
50
En_VTSBlkUV
0~1
1
1
The logic setting of the VTS blocking undervoltage protection
Expand the setting [TrpLog_xxxx] and its corresponding bit meaning. 1
Bit0
0~1
1
1
En_Prot
2
Bit1
0~1
1
1
En_Trp
3
Bit2
0~1
1
0
Reserved
4
Bit3
0~1
1
0
LED1
5
Bit4
0~1
1
0
LED2
6
Bit5
0~1
1
0
LED3
7
Bit6
0~1
1
1
LED4
8
Bit7
0~1
1
1
RLY1
9
Bit8
0~1
1
0
RLY2
10
Bit9
0~1
1
0
RLY3
11
Bit10
0~1
1
0
RLY4
NOTE: 1.
In the setting [TrpLog_xxxx]: the bit [En_Prot] is used to enable the corresponding protection; the bit [En_Trp] is used to make the corresponding protection send output tripping or closing signal to relevant tripping output; the bit [LED1] to [LED4] are used to show the relevant operation signal through the corresponding LED indicator; and the bit [RLY1] to [RLY4] is are used to send the relevant tripping or closing signal to corresponding output relay.
2.
The setting [Opt_InvOC] and [Opt_InvROC] are used to select the inverse curve respectively. See Section 3.2 and Section 3.3 for more details.
3.
If the setting [Opt_InvOC] and [Opt_InvROC] are set as “1” to “5”, the setting ranges of the [TD_InvOC] and [TD_InvROC] are “0.50 ~ 15.00” respectively. And if the setting [Opt_InvOC] and [Opt_InvROC] are set as “6” to “10”, the setting ranges of the [TD_InvOC] and [TD_InvROC] are “0.05 ~ 3.20” respectively.
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7 Settings
64
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8 Communication
8 Communication 8.1 General This section outlines the remote data communication interfaces of this device. This device supports several protocols: IEC60870-5-103, Modbus, DNP3.0 or “RCS-PC”. Setting the relevant communication parameter can select the expected protocol (see Section 7.2). The two rear EIA RS-485 standardized interfaces are isolated, and are suitable for permanent connection whichever protocol is selected. The advantage of this type of connection is that up to 32 devices can be “daisy chained” together using a simple twisted pair electrical connection. It should be noted that the descriptions contained within this section do not aim to fully detail the protocols themselves. Refer the relevant documentations for the detailed protocol information. This section serves to describe the specific implementation of the protocols in this device.
8.2 RS-485 Interface This device provides two RS-485 standardized communication ports in the CPU module. So this device can communicate with a SCADA system through these RS-485 standardized ports. The EIA RS-485 two-wire connection provides a half-duplex fully isolated serial connection to the product. The connection is polarized and whilst the product’s connection diagrams indicate the polarization of the connection terminals it should be borne in mind that there is no agreed definition of which terminal is which. If the master is unable to communicate with the product, and the communication parameters match, then it is possible that the two-wire connection is reversed. The EIA RS-485 bus must have 120Ω (Ohm) ½ Watt terminating resistors fitted at either end across the signal wires (see Figure 8.2-1). Some devices may be able to provide the bus terminating resistors by different connection or configuration arrangements, in which case separate external components will not be required. However, this product does not provide such a facility, so if it is located at the bus terminus then an external termination resistor will be required.
Figure 8.2-1 EIA RS-485 bus connection arrangements
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8 Communication
The EIA RS-485 standard requires that each device is directly connected to the physical cable that is the communications bus. Stubs and tees are expressly forbidden, such as star topologies. Loop bus topologies are not part of the EIA RS-485 standard and are forbidden by it also. Two-core screened cable is recommended. The specification of the cable will be dependent on the application, although a multi-strand 0.5mm2 per core is normally adequate. Total cable length must not exceed 500m. The screen must be continuous and connected to ground at one end, normally at the master connection point; it is important to avoid circulating currents, especially when the cable runs between buildings, for both safety and noise reasons. This product does not provide a signal ground connection. If a signal ground connection is present in the bus cable then it must be ignored, although it must have continuity for the benefit of other devices connected to the bus. At no stage must the signal ground be connected to the cables screen or to the product’s chassis. This is for both safety and noise reasons. The communication baud rate is 1200bps to 19200bps; see Section 7.2 for more information.
8.3 IEC60870-5-103 Protocol The IEC60870-5-103 interface over serial port is a master/slave interface with the relay as the slave device. It is properly developed by NR Electric Co., Ltd. The relay conforms to compatibility level 2; compatibility level 3 is not supported. The following IEC60870-5-103 facilities are supported by this interface: z
Initialization (reset)
z
Time synchronization
z
General interrogation
z
Event record extraction
z
Cyclic measurements
z
General commands
z
Disturbance records
8.3.1 Initialization Whenever this device has been powered up, or if the communication parameters have been changed, a reset command is required to initialize the communications. The relay will respond to either of the two reset commands (Reset CU or Reset FCB), the difference is that the Reset CU will clear any unsent messages in the relay’s transmit buffer. The relay will respond to the reset command with an identification message ASDU 5, the COT (Cause Of Transmission) of this response will be either Reset CU or Reset FCB depending on the nature of the reset command. In addition to the above identification message, if the relay has been powered up it will also 66
NR ELECTRIC CO., LTD.
8 Communication
produce a power up event.
8.3.2 Time Synchronization The relay time and date can be set using the time synchronization feature of the IEC60870-5-103 protocol. The relay will correct for the transmission delay as specified in IEC60870-5-103. If the time synchronization message is sent as a send/confirm message then the relay will respond with a confirmation. Whether the time-synchronization message is sent as a send confirmation or a broadcast (send/no reply) message, a time synchronization Class 1 event will be generated.
8.3.3 Spontaneous Events Events are categorized using the following information: z
Type identification (TYP)
z
Function type (FUN)
z
Information number (INF)
The following table contains a complete listing of all events produced by the relay. For the details about this events, see relevant sections in Chapter 6 “Human Interface Operation Introduction”. TYP
ASDU 1
ASDU 2
NR ELECTRIC CO., LTD.
FUN
INF
COT
Event
242
222
1
Alm_Setting
242
223
1
Alm_ModSetting
242
214
1
Alm_PersistFD
242
210
1
Alm_52b
242
196
1
Alm_ROM
242
224
1
Alm_Upgrade
242
246
1
Alm_I2C
242
206
1
Alm_CTS
242
203
1
Alm_CCS
242
204
1
Alm_TCS
242
169
1
Alm_Uncharged
242
162
1
Alm_VTS
242
195
1
Alm_SPI
242
245
1
Alm_AD
242
180
1
Alm_ROC3
242
182
1
Op_FD
242
94
1
Op_OC1
242
95
1
Op_OC2
242
96
1
Op_OC3
242
91
1
Op_InvOC
242
54
1
Op_ROC1
242
55
1
Op_ROC2
242
56
1
Op_ROC3
242
60
1
Op_InvROC 67
8 Communication
ASDU 40
68
242
181
1
Op_OvLd
242
138
1
Op_NegOC
242
139
1
Op_BCP
242
156
1
Op_BFP
242
128
1
Op_1stAR
242
129
1
Op_2ndAR
242
130
1
Op_3rdAR
242
215
1
Op_OV
242
34
1
Op_UV
242
192
1
Op_PhA
242
193
1
Op_PhB
242
194
1
Op_PhC
1
150
1
BI_52a
1
151
1
BI_52b
1
152
1
BI_EmergTrp
1
153
1
BI_CtrlCls
1
154
1
BI_CtrlTrp
1
155
1
BI_CtrlMode
1
156
1
BI_RstTarg
1
157
1
BI_Uncharged
1
158
1
EBI_Lockout
1
159
1
BI_HMICls
1
160
1
BI_HMITrp
1
161
1
BI_CCVolt
1
162
1
BI_TCVolt
1
163
1
BI_TeleCls
1
164
1
BI_TeleTrp
1
165
1
BI_1
1
166
1
BI_2
1
167
1
BI_3
1
168
1
BI_4
1
169
1
BI_5
1
170
1
BI_6
1
171
1
BI_7
1
172
1
BI_8
1
173
1
BI_9
1
174
1
BI_10
1
175
1
VBI_DevMode
1
176
1
VBI_Ready_AR
1
180
1
VBI_Set1_On
1
177
1
VBI_Set2_On
1
178
1
ExtIO
1
179
1
PwrOn NR ELECTRIC CO., LTD.
8 Communication
1
181
1
BI_Ext_BFP
1
182
1
EBI_1
1
183
1
EBI_2
1
184
1
EBI_3
1
185
1
EBI_4
1
186
1
BI_TCVolt2
1
187
1
BI_TCVolt1
1
188
1
Pkp_IDMT
1
189
1
Pkp_IDMT0
1
190
1
BO_Rly1
1
191
1
BO_Rly2
1
192
1
BO_Rly3
1
193
1
BO_Rly4
1
194
1
BO_Cls
1
195
1
BO_Trp
1
196
1
Pkp_OC1
1
197
1
Pkp_OC2
1
198
1
Pkp_OC3
1
199
1
Pkp_ROC1
1
200
1
Pkp_ROC2
1
201
1
Pkp_ROC3
1
202
1
Pkp_OvLd
1
203
1
Pkp_NegOC
1
204
1
Pkp_BCP
1
205
1
Pkp_BFP
1
206
1
Pkp_OV
1
207
1
Pkp_UV
8.3.4 General Interrogation The GI can be used to read the status of the relay, the function numbers, and information numbers that will be returned during the GI cycle. The GI cycle strictly abides by the rules defined in the IEC60870-5-103. The relay will respond to this GI command with an ASDU 44 message, the cause of transmission (COT) of this response is 9. Referring the IEC60870-5-103 standard can get the enough details about general interrogation.
8.3.5 Cyclic Measurements The relay will produce measured values using ASDU 50 on a cyclical basis, this can be read from the relay using a Class 2 poll (note ADSU 3 and ASDU 9 are not used). The cause of transmission is 2. The rate at which the relay produces new measured values is fixed (about one second). It should be noted that the measurands transmitted by the relay are sent as a proportion of corresponding times the rated value of the analog value. NR ELECTRIC CO., LTD.
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8 Communication
The following table shows all the measurands and the proportion relationship between the measurands and the rated value. TYP
ASDU 50
FUN
INF
COT
1
92
2
1
93
1
Measurand
Max. code
Corresponding value
Ia
4095
1.2 × In
2
Ib
4095
1.2 × In
94
2
Ic
4095
1.2 × In
1
95
2
I0
4095
1.2 × In
1
96
2
Ua
4095
1.2 × Un
1
97
2
Ub
4095
1.2 × Un
1
98
2
Uc
4095
1.2 × Un
1
99
2
Uab
4095
1.2 × 3 × Un
1
100
2
Ubc
4095
1.2 × 3 × Un
1
101
2
Uca
4095
1.2 × 3 × Un
1
102
2
U0
4095
1
103
2
f
4095
1.2 × 3 × Un 1.2 × 50.00
1
104
2
P_a
4095
1.2 × Un × In
1
105
2
P_b
4095
1.2 × Un × In
1
106
2
P_c
4095
1.2 × Un × In
1
107
2
P
4095
1
108
2
Q_a
4095
1.2 × 3 × Un × In 1.2 × Un × In
1
109
2
Q_b
4095
1.2 × Un × In
1
110
2
Q_c
4095
1.2 × Un × In
1
111
2
Q
4095
1
112
2
S_a
4095
1.2 × 3 × Un × In 1.2 × Un × In
1
113
2
S_b
4095
1.2 × Un × In
1
114
2
S_c
4095
1.2 × Un × In
1
115
2
S
4095
1
116
2
COSΦ_a
4095
1.2 × 3 × Un × In 1.2×1000
1
117
2
COSΦ_b
4095
1.2×1000
1
118
2
COSΦ_c
4095
1.2×1000
1
119
2
COSΦ
4095
1.2×1000
1
120
2
N_Trp
4095
4095
Here, the sign “In” denotes the rated current of the AC current input, the sign “Un” denotes the rated phase voltage of the AC voltage input.
8.3.6 General Commands A list of the supported commands (in control direction) is contained in the following table. The relay will not respond to other commands, and short-term communication interrupt will occur.
70
TYP
FUN
INF
DCC
Function
ASDU 64
1
48
0x81
Remote trip with confirmation
ASDU 64
1
48
0x82
Remote close with confirmation
NR ELECTRIC CO., LTD.
8 Communication
ASDU 64
1
48
0x01
Remote trip with execution
ASDU 64
1
48
0x02
Remote close with execution
ASDU 64
1
48
0xC1
Remote trip with abortion
ASDU 64
1
48
0xC2
Remote close with abortion
If the relay receives one of the command messages correctly, it will respond an ACK message, and then respond a message which has the same ASDU data with the control direction message in next communication turn.
8.3.7 Generic Functions The generic functions can be used to read the setting and protection measurement of the relay, and modify the setting. Two supported type identifications are ASDU 21 and ASDU 10. For more details about generic functions, see the IEC60870-5-103 standard. 1.
2.
Generic functions in control direction INF
Semantics
240
Read headings of all defined groups
241
Read values or attributes of all entries in one group
243
Read directory of a single entry
244
Read value or attribute of a single entry
245
General interrogation of generic data
248
Write entry
249
Write entry with confirmation
250
Write entry with execution
251
Write entry abort
Generic functions in monitor direction INF
Semantics
240
Read headings of all defined groups
241
Read values or attributes of all entries of one group
243
Read directory of a single entry
244
Read value or attribute of a single entry
245
End of general interrogation of generic data
249
Write entry with confirmation
250
Write entry with execution
251
Write entry aborted
8.3.8 Disturbance Records This relay can store up to 16 disturbance records in its memory. A pickup of the fault detector or an operation of the relay can make the relay store the disturbance records. The disturbance records are stored in uncompressed format and can be extracted using the standard mechanisms described in IEC60870-5-103.
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8 Communication
8.4 Modbus Protocol The Modbus protocol is a master/slaver communication protocol, and this device is severed as a slaver in this system. The detailed information about the Modbus protocol, see the “Modbus Protocol Reference Guide (PI-MBUS-300 Rev.J)”. The Modbus protocol in this device has following definition. z
Physical layer configuration: 1 start-bit, 8 data-bit, 1 stop-bit, no check.
z
Linker layer configuration : RTU communication mode, ASCII code not supported.
z
Frame length limit: Maximum 512 bytes.
z
Frame word definition: first MSB, later LSB.
8.4.1 Binary State Communication The functional code is 02H (Read Input Status). The binary state includes protection element state, device operation state, alarm information state and binary input state. Protection element state Register Address
Protection Element State
0000H
Op_FD
0001H
Op_OC1
0002H
Op_OC2
0003H
Op_OC3
0004H
Op_InvOC
0005H
Op_ROC1
0006H
Op_ROC2
0007H
Op_ROC3
0008H
Op_InvROC
0009H
Op_OvLd
000AH
Op_NegOC
000BH
Op_BCP
000CH
Op_BFP
000DH
Op_1stAR
000EH
Op_2ndAR
000FH
Op_3rdAR
0010H
Op_OV
0011H
Op_UV
0012H
Op_PhA
0013H
Op_PhB
0014H
Op_PhC
Device operation state
72
NR ELECTRIC CO., LTD.
8 Communication
Register Address
Device Operation State
1000H
VBI_DevMode
1001H
VBI_Ready_AR
1002H
VBI_Set1_On
1003H
VBI_Set2_On
1004H
ExtIO
1005H
PwrOn
Alarm information state Register Address
Alarm Information State
3000H
Alm_Setting
3001H
Alm_ModSetting
3002H
Alm_PersistFD
3003H
Alm_52b
3004H
Alm_Trp
3005H
Alm_ROM
3006H
Alm_Upgrade
3007H
Alm_I2C
3008H
Alm_CTS
3009H
Alm_CCS / Alm_TCS2
300AH
Alm_TCS / Alm_TCS1
300BH
Alm_Uncharged
300CH
Alm_VTS
300DH
Alm_SPI
300EH
Alm_AD
300FH
Alm_ROC3
Binary input state Register Address
Binary input state
2000H
BI_1
2001H
BI_2
2002H
BI_3
2003H
BI_4
2004H
BI_5
2005H
BI_6
2006H
BI_7
2007H
BI_8
2008H
BI_9
2009H
BI_10
200AH
BI_HMICls
200BH
BI_HMITrp
200CH
BI_CCVolt
200DH
BI_TCVolt
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8 Communication
200EH
BI_TeleCls
200FH
BI_TeleTrp
8.4.2 Analog Data Communication The functional code is 04H (Read Input Registers). The analog data include measurement values, phase angle data and harmonic measurement values. Metering measurement values Register Address
74
Analog Data Name
Unit
0000H
Ia (two places of decimals)
A
0001H
Ib (two places of decimals)
A
0002H
Ic (two places of decimals)
A
0003H
I0 (two places of decimals)
A
0004H
Ua (two places of decimals)
V
0005H
Ub (two places of decimals)
V
0006H
Uc (two places of decimals)
V
0007H
Uab (two places of decimals)
V
0008H
Ubc (two places of decimals)
V
0009H
Uca (two places of decimals)
V
000AH
U0 (two places of decimals)
V
000BH
f (two places of decimals)
Hz
000CH
P_a (integer)
W
000DH
P_b (integer)
W
000EH
P_c (integer)
W
000FH
P (integer)
W
0010H
Q_a (integer)
Var
0011H
Q_b (integer)
Var
0012H
Q_c (integer)
Var
0013H
Q (integer)
Var
0014H
S_a (integer)
VA
0015H
S_b (integer)
VA
0016H
S_c (integer)
VA
0017H
S (integer)
VA
0018H
COSΦ_a (three places of decimals)
0019H
COSΦ_b (three places of decimals)
001AH
COSΦ_c (three places of decimals)
001BH
COSΦ (three places of decimals)
001CH
N_Trp (integer)
001EH
kWh_Out (MSW of integer)
001FH
kWh_Out (LSW of integer)
0020H
kWh_Out (two places of decimals)
0021H
kWh_In (MSW of integer)
0022H
kWh_In (LSW of integer)
kWh kVarh
NR ELECTRIC CO., LTD.
8 Communication
0023H
kWh_In (two places of decimals)
0024H
kVarh_Out (MSW of integer)
0025H
kVarh_Out (LSW of integer)
0026H
kVarh_Out (two places of decimals)
0027H
kVarh_In (MSW of integer)
0028H
kVarh_In (LSW of integer)
0029H
kVarh_In (two places of decimals)
002AH
Binary input state (See Section 8.4.1)
002BH
Protection element state (See Section 8.4.1)
002CH
Protection element state (See Section 8.4.1)
002DH
Alarm information state (See Section 8.4.1)
002EH
Device operation state (See Section 8.4.1)
kWh
kVarh
Phase angle data and harmonic measurement values Register Address
Analog Data Name
Unit
1000H
(UA-IA) (integer)
deg
1001H
(UB-IB) (integer)
deg
1002H
(UC-IC) (integer)
deg
1003H
(UA-UB) (integer)
deg
1004H
(UB-UC) (integer)
deg
1005H
(UC-UA) (integer)
deg
1006H
(U0-I0) (integer)
deg
1007H
(IA-IB) (integer)
deg
1008H
(IB-IC) (integer)
deg
1009H
(IC-IA) (integer)
deg
100AH
Ia_02 (two places of decimals)
A
100BH
Ib_02 (two places of decimals)
A
100CH
Ic_02 (two places of decimals)
A
100DH
Ua_02 (two places of decimals)
V
100EH
Ub_02 (two places of decimals)
V
100FH
Uc_02 (two places of decimals)
V
…
……
…
…
……
…
1058H
Ia_15 (two places of decimals)
A
1059H
Ib_15 (two places of decimals)
A
105AH
Ic_15 (two places of decimals)
A
105BH
Ua_15 (two places of decimals)
V
105CH
Ub_15 (two places of decimals)
V
105DH
Uc_15 (two places of decimals)
V
8.4.3 Settings Communication The functional code is 03H (Read Holding Registers). The settings include communication settings, system settings and protection settings. NR ELECTRIC CO., LTD.
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Communication settings Register Address
Communication Settings
0000H
Equip_ID (ASCII code High word)
0001H
Equip_ID (ASCII code middle word)
0002H
Equip_ID (ASCII code low word)
0003H
Password
0004H
Comm_Addr
0005H
COM_Baud
0006H
COM_Protocol
Unit
bps
System settings 1 --- Protection element logical settings Register Address
Protection Element Logical Settings Bit0: En_OC1 Bit1: En_OC2 Bit2: En_OC3 Bit3: En_ROC1 Bit4: En_ROC2 Bit5: En_ROC3 Bit6: En_OvLd
1000H
Bit7: En_NegOC Bit8: En_BCP Bit9: En_BFP Bit10: En_AR Bit11: En_OV/UV Bit12: En_VTS Bit13: En_CTS Bit14: En_CCS Bit15: En_TCS
1001H
Bit0: En_Alm_52b Bit1: En_TestMode
System settings 2 --- System settings Register Address
76
System Settings
Unit
1002H
I1n_CT_Prot
A
1003H
I2n_CT_Prot
A
1004H
I1n_CT_ROC
A
1005H
I2n_CT_ROC
A
1006H
U1n_VT
kV
1007H
U2n_VT
V
1008H
U2n_DeltVT
V
1009H
I_dcmA_Out
100AH
Cfg_EBI1
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8 Communication
100BH
Cfg_EBI2
100CH
Cfg_EBI3
100DH
Cfg_EBI4
100EH
Def_dcmA_Out Bit0: Opt_TctrlMode Bit1: En_Blk_HMICtrl Bit2: Opt_SLD_Displ Bit3: Opt_V_Input
100FH
Bit4: En_Set_Switch Bit5: Opt_Calc_3I0 Bit6: Opt_Dir_ROC Bit7: Opt_CBType Bit8: Opt_WaveTrig Bit9: Opt_IDMT_FD
1010H
Def_BI_1
1011H
Def_BI_2
1012H
Def_BI_3
1013H
Def_BI_4
1014H
Def_BI_5
1015H
Def_BI_6
1016H
Def_BI_7
1017H
Def_BI_8
1018H
Def_BI_9
1019H
Def_BI_10
101AH
Cfg_RevBI
101BH
Def_LED1
101CH
Def_LED2
101DH
Def_LED3
101EH
Def_LED4
101FH
Def_RLY1
1020H
Def_RLY2
1021H
Def_RLY3
1022H
Def_RLY4
Protection settings Register Address
Protection Settings
Unit
2000H
I_OC1
A
2001H
t_OC1
s
2002H
TrpLog_OC1
2003H
I_OC2
A
2004H
t_OC2
s
2005H
TrpLog_OC2
2006H
I_OC3
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8 Communication
2007H
t_OC3
2008H
Opt_InvOC
2009H
TD_InvOC
200AH
TrpLog_OC3
200BH
I_ROC1
A
200CH
t_ROC1
s
200DH
TrpLog_ROC1
200EH
Bit0: En_Dir_ROC1
200FH
I_ROC2
A
2010H
t_ROC2
s
2011H
TrpLog_ROC2
2012H
Bit0: En_Dir_ROC2
2013H
I_ROC3
A
2014H
t_ROC3
s
2015H
Opt_InvROC
2016H
TD_InvROC
2017H
TrpLog_ROC3
2018H
Bit0: En_Dir_ROC3
2019H
I_OvLd
201AH
TD_OvLd
201BH
TrpLog_OvLd
201CH
I_NegOC
A
201DH
t_NegOC
s
201EH
TrpLog_NegOC
201FH
Ratio_I2/I1
2020H
t_BCP
2021H
TrpLog_BCP
2022H
I_OC_BFP
A
2023H
t_OC_BFP
s
2024H
TrpLog_BFP
2025H
78
s
A
s
Bit0: En_52b_Ctrl_BFP Bit1: En_Trip_Ctrl_BFP
2026H
N_AR
2027H
t_1stAR
s
2028H
t_2ndAR
s
2029H
t_3rdAR
s
202AH
V_OV
V
202BH
t_OV
s
202CH
TrpLog_OV
202DH
V_UV
V
202EH
t_UV
s
202FH
TrpLog_UV
2030H
Bit0: En_VTSBlkUV NR ELECTRIC CO., LTD.
8 Communication
8.4.4 Remote Control The functional code is 05H (Force Single Coil). Register Address
Relevant Operation
0000H
Close (0xFF00); Trip (0x00AA)
0001H
Reset (0xFF00)
8.4.5 Diagnostics Information The functional code is 08H (Diagnostics). Function Code
Semantics
00H
Return query data
01H
Restart communication option
0BH
Return bus message count
0CH
Return bus communication error count
0DH
Return bus exception error count
0EH
Return slave message count
0FH
Return slave no response count
8.4.6 Download Settings The functional code is 10H (Preset Multiple Registers). All the register addresses are described in Section 8.4.3. Only the protection settings can be modified in this protocol.
8.4.7 Time Synchronization The functional code is 10H (Preset Multiple Registers). All the registers must be transmitted to the device at one time. Register Address
Description
Remark
4000H
MSB: year; LSB: month
BCD Code
4001H
MSB: day; LSB: hour
BCD Code
4002H
MSB: minute; LSB: second
BCD Code
8.4.8 Abnormal Information If this device receives an unidentified message, this device will reply an abnormal information message to the master device. Abnormality Code
Semantics
01H
Invalid functional code
02H
Invalid register address
8.5 DNP3.0 Protocol The descriptions given here are intended to accompany this relay. The DNP3.0 protocol is not described here; please refer to the DNP3.0 protocol standard for the details about the DNP3.0 NR ELECTRIC CO., LTD.
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8 Communication
implementation. This manual only specifies which objects, variations and qualifiers are supported in this relay, and also specifies what data is available from this relay via DNP3.0. The relay operates as a DNP3.0 slave and supports subset level 2 of the protocol, plus some of the features from level 3. The DNP3.0 communication uses the EIA RS-485 at the rear of this relay. The data format is 1 start bit, 8 data bits, no parity bit and 1 stop bit.
8.5.1 Link Layer Functions Please see the DNP3.0 protocol standard for the details about the linker layer functions.
8.5.2 Transport Functions Please see the DNP3.0 protocol standard for the details about the transport functions.
8.5.3 Application Layer Functions 8.5.3.1 Time Synchronization 1.
2.
3.
Time delay measurement Master/Slave
Function Code
Object
Variation
Qualifier
Master
0x17
－
－
－
Slave
0x81
0x34
0x02
0x07
Master/Slave
Function Code
Object
Variation
Qualifier
Master
0x01
0x34
0x00, 0x01
0x07
Slave
0x81
0x32
0x01
0x07
Master/Slave
Function Code
Object
Variation
Qualifier
Master
0x02
0x32
0x01
0x00,0x01,0x07,0x08
Slave
0x81
－
－
－
Read time of device
Write time of device
8.5.3.2 Supported Writing Functions 1.
Write time of device See Section 8.5.3.1 for the details.
2.
80
Reset the CU (Reset IIN bit7) Master/Slave
Function Code
Object
Variation
Qualifier
Master
0x02
0x50
0x01
0x00, 0x01
Slave
0x81
－
－
－
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8 Communication
8.5.3.3 Supported Reading Functions 1.
Supported qualifiers Master Qualifier
0x00
0x01
0x06
0x07
0x08
Slave Qualifier
0x00
0x01
0x01
0x07
0x08
2.
Supported objects and variations
z
Object 1, Binary inputs Master Variation
0x00
0x01
0x02
Slave Variation
0x02
0x01
0x02
The protection operation signals, alarm signals and binary input state change signals are transported respectively according to the variation sequence in above table. z
Object 2, SOE Master Variation
0x00
0x01
0x02
0x03
Slave Variation
0x02
0x01
0x02
0x03
If the master qualifier is “0x07”, the slave responsive qualifier is “0x27”; and if the master qualifier is “0x01”, “0x06” or “0x08”, the slave responsive qualifier is “0x28”. z
Object 30, Analog inputs Master Variation
0x00
0x01
0x02
0x03
0x04
Slave Variation
0x01
0x01
0x02
0x03
0x04
The metering values are transported firstly, and then the protection measurement values are transported. z
Object 40, Analog outputs Master Variation
0x00
0x01
0x02
Slave Variation
0x01
0x01
0x02
The protection settings are transported in this object. z
Object 50, Time Synchronization See Section 8.5.3.1 for the details.
3.
Class 0 data request The master adopts the “Object 60” for the Class 0 data request and the variation is “0x01”. The slave responds with the above mentioned “Object 1”, “Object 30” and “Object 40” (see “Supported objects and variations” in Section 8.5.3.3).
4.
Class 1 data request The master adopts the “Object 60” for the Class 1 data request and the variation is “0x02”.
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8 Communication
The slave responds with the above mentioned “Object 2” (see “Supported objects and variations” in Section 8.5.3.3). 5.
Multiple object request The master adopts the “Object 60” for the multiple object request and the variation is “0x01”, “0x02”, “0x03” and “0x04”. The slave responds with the above mentioned “Object 1”, “Object 2”, “Object 30” and “Object 40” (see “Supported objects and variations” in Section 8.5.3.3).
8.5.3.4 Remote Control Functions The function code 0x03 and 0x04 are supported in this relay. The function code 0x03 is for the remote control with selection; and the function code 0x04 is for the remote control with execution. The selection operation must be executed before the execution operation, and the single point control object can be supported to this relay. Master Qualifier
0x17
0x27
0x18
0x28
Slave Qualifier
0x17
0x27
0x18
0x28
The “Object 12” is for the remote control functions. Master Variation
0x01
Slave Variation
0x01
Control Code
0x01: closing 0x10: tripping
8.5.4 Information in DNP3.0 8.5.4.1 Information of Binary Inputs The information of binary inputs includes the protection operation signals, the alarm signals and the binary input state change signals. Protection operation signals Index
82
Protection Element State
Date Type
Decimal
0000H
Op_FD
Boolean
0
0001H
Op_OC1
Boolean
0
0002H
Op_OC2
Boolean
0
0003H
Op_OC3
Boolean
0
0004H
Op_InvOC
Boolean
0
0005H
Op_ROC1
Boolean
0
0006H
Op_ROC2
Boolean
0
0007H
Op_ROC3
Boolean
0
0008H
Op_InvROC
Boolean
0
0009H
Op_OvLd
Boolean
0
000AH
Op_NegOC
Boolean
0
000BH
Op_BCP
Boolean
0
000CH
Op_BFP
Boolean
0
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8 Communication
000DH
Op_1stAR
Boolean
0
000EH
Op_2ndAR
Boolean
0
000FH
Op_3rdAR
Boolean
0
0010H
Op_OV
Boolean
0
0011H
Op_UV
Boolean
0
0012H
Op_PhA
Boolean
0
0013H
Op_PhB
Boolean
0
0014H
Op_PhC
Boolean
0
Date Type
Decimal
Alarm signals Index
Alarm Information State
0015H
Alm_Setting
Boolean
0
0016H
Alm_ModSetting
Boolean
0
0017H
Alm_PersistFD
Boolean
0
0018H
Alm_52b
Boolean
0
0019H
Alm_Trp
Boolean
0
001AH
Alm_ROM
Boolean
0
001BH
Alm_Upgrade
Boolean
0
001CH
Alm_I2C
Boolean
0
001DH
Alm_CTS
Boolean
0
001EH
Alm_CCS / Alm_TCS2
Boolean
0
001FH
Alm_TCS / Alm_TCS1
Boolean
0
0020H
Alm_Uncharged
Boolean
0
0021H
Alm_VTS
Boolean
0
0022H
Alm_SPI
Boolean
0
0023H
Alm_AD
Boolean
0
0024H
Alm_ROC3
Boolean
0
Date Type
Decimal
Binary input state change signals Index
Binary input state
0025H
BI_52a
Boolean
0
0026H
BI_52b
Boolean
0
0027H
BI_EmergTrp
Boolean
0
0028H
BI_CtrlCls
Boolean
0
0029H
BI_CtrlTrp
Boolean
0
002AH
BI_CtrlMode
Boolean
0
002BH
BI_RstTarg
Boolean
0
002CH
BI_Uncharged
Boolean
0
002DH
EBI_Lockout
Boolean
0
002EH
BI_Ext_BFP
Boolean
0
002FH
EBI_OC&OvLd
Boolean
0
0030H
EBI_ROC
Boolean
0
0031H
EBI_NegOC&BCP
Boolean
0
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8 Communication
84
0032H
EBI_OV&UV
Boolean
0
0033H
BI_CCVolt
Boolean
0
0034H
BI_TCVolt
Boolean
0
0035H
VBI_DevMode
Boolean
0
0036H
VBI_Ready_AR
Boolean
0
0037H
VBI_Set1_On
Boolean
0
0038H
BI_1
Boolean
0
0039H
BI_2
Boolean
0
003AH
BI_3
Boolean
0
003BH
BI_4
Boolean
0
003CH
BI_5
Boolean
0
003DH
BI_6
Boolean
0
003EH
BI_7
Boolean
0
003FH
BI_8
Boolean
0
0040H
BI_9
Boolean
0
0041H
BI_10
Boolean
0
0042H
VBI_Set2_On
Boolean
0
0043H
ExtIO
Boolean
0
0044H
PwrOn
Boolean
0
0045H
BI_HMICls
Boolean
0
0046H
BI_HMITrp
Boolean
0
0047H
BI_TeleCls
Boolean
0
0048H
BI_TeleTrp
Boolean
0
0049H
Pkp_IDMT
Boolean
0
004AH
Pkp_IDMT0
Boolean
0
004BH
BO_Rly1
Boolean
0
004CH
BO_Rly2
Boolean
0
004DH
BO_Rly3
Boolean
0
004EH
BO_Rly4
Boolean
0
004FH
BO_Cls
Boolean
0
0050H
BO_Trp
Boolean
0
0051H
Pkp_OC1
Boolean
0
0052H
Pkp_OC2
Boolean
0
0053H
Pkp_OC3
Boolean
0
0054H
Pkp_ROC1
Boolean
0
0055H
Pkp_ROC2
Boolean
0
0056H
Pkp_ROC3
Boolean
0
0057H
Pkp_OvLd
Boolean
0
0058H
Pkp_NegOC
Boolean
0
0059H
Pkp_BCP
Boolean
0
005AH
Pkp_BFP
Boolean
0
005BH
Pkp_OV
Boolean
0
005CH
Pkp_UV
Boolean
0 NR ELECTRIC CO., LTD.
8 Communication
8.5.4.2 Information of Analog Inputs The information of analog inputs includes the protection measurement values, the phase angle data and the harmonic measurement values etc. Metering values Index
Metering
Date Type
Decimal
Unit
0000H
Ia
Unsigned Integer
2
A
0001H
Ib
Unsigned Integer
2
A
0002H
Ic
Unsigned Integer
2
A
0003H
I0
Unsigned Integer
2
A
0004H
Ua
Unsigned Integer
2
V
0005H
Ub
Unsigned Integer
2
V
0006H
Uc
Unsigned Integer
2
V
0007H
Uab
Unsigned Integer
2
V
0008H
Ubc
Unsigned Integer
2
V
0009H
Uca
Unsigned Integer
2
V
000AH
U0
Unsigned Integer
2
V
000BH
F
Signed Integer
2
Hz
000CH
P_a
Signed Integer
3
kW
000DH
P_b
Signed Integer
3
kW
000EH
P_c
Signed Integer
3
kW
000FH
P
Signed Integer
3
kW
0010H
Q_a
Signed Integer
3
kVar
0011H
Q_b
Signed Integer
3
kVar
0012H
Q_c
Signed Integer
3
kVar
0013H
Q
Signed Integer
3
kVar
0014H
S_a
Signed Integer
3
kVA
0015H
S_b
Signed Integer
3
kVA
0016H
S_c
Signed Integer
3
kVA
0017H
S
Signed Integer
3
kVA
0018H
COSΦ_a
Unsigned Integer
3
0019H
COSΦ_b
Unsigned Integer
3
001AH
COSΦ_c
Unsigned Integer
3
001BH
COSΦ
Unsigned Integer
3
001CH
N_Trp
Unsigned Integer
0
Date Type
Decimal
Unit
Protection measurement values Index
Measurement
001DH
Ia
Unsigned Integer
2
A
001EH
Ib
Unsigned Integer
2
A
001FH
Ic
Unsigned Integer
2
A
0020H
I1
Unsigned Integer
2
A
0021H
I2
Unsigned Integer
2
A
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0022H
I0
Unsigned Integer
2
A
0023H
Ua
Unsigned Integer
2
V
0024H
Ub
Unsigned Integer
2
V
0025H
Uc
Unsigned Integer
2
V
0026H
Uab
Unsigned Integer
2
V
0027H
Ubc
Unsigned Integer
2
V
0028H
Uca
Unsigned Integer
2
V
0029H
U1
Unsigned Integer
2
V
002AH
U2
Unsigned Integer
2
V
002BH
U0
Unsigned Integer
2
V
002CH
U0sm
Unsigned Integer
2
V
002DH
ResT
Unsigned Integer
2
Min
002EH
Accu
Unsigned Integer
2
%
Date Type
Decimal
Unit
Energy accumulation values Index
Energy Accumulation
002FH
kWh_Out
Unsigned Integer
0
kWh
0030H
kWh_In
Unsigned Integer
0
kWh
0031H
kVarh_Out
Unsigned Integer
0
kVarh
0032H
kVarh_In
Unsigned Integer
0
kVarh
Date Type
Decimal
Unit
Phase angle data Index
Phase Angle
0033H
(UA-IA)
Unsigned Integer
0
deg
0034H
(UB-IB)
Unsigned Integer
0
deg
0035H
(UC-IC)
Unsigned Integer
0
deg
0036H
(UA-UB)
Unsigned Integer
0
deg
0037H
(UB-UC)
Unsigned Integer
0
deg
0038H
(UC-UA)
Unsigned Integer
0
deg
0039H
(U0-I0)
Unsigned Integer
0
deg
003AH
(IA-IB)
Unsigned Integer
0
deg
003BH
(IB-IC)
Unsigned Integer
0
deg
003CH
(IC-IA)
Unsigned Integer
0
deg
Date Type
Decimal
Unit
Harmonic measurement values Index
86
Harmonics
003DH
Ia_02
Unsigned Integer
2
A
003EH
Ib_02
Unsigned Integer
2
A
003FH
Ic_02
Unsigned Integer
2
A
0040H
Ua_02
Unsigned Integer
2
V
0041H
Ub_02
Unsigned Integer
2
V
0042H
Uc_02
Unsigned Integer
2
V
0043H
Ia_03
Unsigned Integer
2
A
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8 Communication
0044H
Ib_03
Unsigned Integer
2
A
0045H
Ic_03
Unsigned Integer
2
A
0046H
Ua_03
Unsigned Integer
2
V
0047H
Ub_03
Unsigned Integer
2
V
0048H
Uc_03
Unsigned Integer
2
V
…
……
Unsigned Integer
2
…
0085H
Ia_14
Unsigned Integer
2
A
0086H
Ib_14
Unsigned Integer
2
A
0087H
Ic_14
Unsigned Integer
2
A
0088H
Ua_14
Unsigned Integer
2
V
0089H
Ub_14
Unsigned Integer
2
V
008AH
Uc_14
Unsigned Integer
2
V
008BH
Ia_15
Unsigned Integer
2
A
008CH
Ib_15
Unsigned Integer
2
A
008DH
Ic_15
Unsigned Integer
2
A
008EH
Ua_15
Unsigned Integer
2
V
008FH
Ub_15
Unsigned Integer
2
V
0090H
Uc_15
Unsigned Integer
2
V
Date Type
Decimal
Unit
Unsigned Integer
0
Unsigned Integer
0
Unsigned Integer
0
8.5.4.3 Information of Analog Outputs The information of analog outputs includes the settings. System settings Index
System Settings Bit0: En_OC1 Bit1: En_OC2 Bit2: En_OC3 Bit3: En_ROC1 Bit4: En_ROC2 Bit5: En_ROC3 Bit6: En_OvLd
0000H
Bit7: En_NegOC Bit8: En_BCP Bit9: En_BFP Bit10: En_AR Bit11: En_OV/UV Bit12: En_VTS Bit13: En_CTS Bit14: En_CCS Bit15: En_TCS
0001H 0002H
Bit0: En_Alm_52b Bit1: En_TestMode I1n_CT_Prot
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0003H
I2n_CT_Prot
Unsigned Integer
2
A
0004H
I1n_CT_NP
Unsigned Integer
0
A
0005H
I2n_CT_NP
Unsigned Integer
2
A
0006H
U1n_VT
Unsigned Integer
2
kV
0007H
U2n_VT
Unsigned Integer
2
V
0008H
U2n_DeltVT
Unsigned Integer
2
V
0009H
I_dcmA_Out
Unsigned Integer
2
pu
000AH
Cfg_EBI1
Unsigned Integer
0
000BH
Cfg_EBI2
Unsigned Integer
0
000CH
Cfg_EBI3
Unsigned Integer
0
000DH
Cfg_EBI4
Unsigned Integer
0
000EH
Def_dcmA_Out
Unsigned Integer
0
Unsigned Integer
0
Bit0: Opt_TctrlMode Bit1: En_Blk_HMICtrl Bit2: Opt_SLD_Displ Bit3: Opt_V_Input 000FH
Bit4: En_Set_Switch Bit5: Opt_Calc_3I0 Bit6: Opt_Dir_ROC Bit7: Opt_CBType Bit8: Opt_WaveTrig Bit9: Opt_IDMT_FD
0010H
Def_BI1
Unsigned Integer
0
0011H
Def_BI2
Unsigned Integer
0
0012H
Def_BI3
Unsigned Integer
0
0013H
Def_BI4
Unsigned Integer
0
0014H
Def_BI5
Unsigned Integer
0
0015H
Def_BI6
Unsigned Integer
0
0016H
Def_BI7
Unsigned Integer
0
0017H
Def_BI8
Unsigned Integer
0
0018H
Def_BI9
Unsigned Integer
0
0019H
Def_BI10
Unsigned Integer
0
001AH
RevBI:
Unsigned Integer
0
001BH
Def_LED1
Unsigned Integer
0
001CH
Def_LED2
Unsigned Integer
0
001DH
Def_LED3
Unsigned Integer
0
001EH
Def_LED4
Unsigned Integer
0
001FH
Def_Rly1
Unsigned Integer
0
0020H
Def_Rly2
Unsigned Integer
0
0021H
Def_Rly3
Unsigned Integer
0
0022H
Def_Rly4
Unsigned Integer
0
Protection settings of the No.1 group
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8 Communication
Index
Protection Settings
Date Type
Decimal
Unit
0025H
I_OC1
Unsigned Integer
2
A
0026H
t_OC1
Unsigned Integer
2
s
0027H
TrpLog_OC1
Unsigned Integer
0
0028H
I_OC2
Unsigned Integer
2
A
0029H
t_OC2
Unsigned Integer
2
s
002AH
TrpLog_OC2
Unsigned Integer
0
002BH
I_OC3
Unsigned Integer
2
A
002CH
t_OC3
Unsigned Integer
2
s
002DH
TD_InvOC
Unsigned Integer
2
002EH
Opt_InvOC
Unsigned Integer
0
002FH
TrpLog_OC3
Unsigned Integer
0
0030H
I_ROC1
Unsigned Integer
2
A
0031H
t_ROC1
Unsigned Integer
2
s
0032H
TrpLog_ROC1
Unsigned Integer
0
0033H
En_Dir_ROC1
Unsigned Integer
0
0034H
I_ROC2
Unsigned Integer
2
A
0035H
t_ROC2
Unsigned Integer
2
s
0036H
TrpLog_ROC2
Unsigned Integer
0
0037H
En_Dir_ROC2
Unsigned Integer
0
0038H
I_ROC3
Unsigned Integer
2
A
0039H
t_ROC3
Unsigned Integer
2
s
003AH
TD_InvROC
Unsigned Integer
2
003BH
Opt_InvROC
Unsigned Integer
0
003CH
TrpLog_ROC3
Unsigned Integer
0
003DH
En_Dir_ROC3
Unsigned Integer
0
003EH
I_OvLd
Unsigned Integer
2
003FH
TD_OvLd
Unsigned Integer
2
0040H
TrpLog_OvLd
Unsigned Integer
0
0041H
I_NegOC
Unsigned Integer
2
A
0042H
t_NegOC
Unsigned Integer
2
s
0043H
TrpLog_NegOC
Unsigned Integer
0
0044H
Ratio_I2/I1
Unsigned Integer
2
0045H
t_BCP
Unsigned Integer
2
0046H
TrpLog_BCP
Unsigned Integer
0
0047H
I_OC_BFP
Unsigned Integer
2
A
0048H
t_BFP
Unsigned Integer
2
s
0049H
TrpLog_BFP
Unsigned Integer
0
Unsigned Integer
0
004AH
Bit0: 52b_Ctrl_BFP Bit1: Trip_Ctrl_BFP
A
s
004BH
N_AR
Unsigned Integer
0
004CH
t_AR1
Unsigned Integer
2
s
004DH
t_AR2
Unsigned Integer
2
s
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8 Communication
004EH
t_AR3
Unsigned Integer
2
s
004FH
V_OV
Unsigned Integer
2
V
0050H
t_OV
Unsigned Integer
2
s
0051H
TrpLog_OV
Unsigned Integer
0
0052H
V_UV
Unsigned Integer
2
V
0053H
t_UV
Unsigned Integer
2
s
0054H
TrpLog_UV
Unsigned Integer
0
0055H
En_VTSBlkUV
Unsigned Integer
0
Date Type
Decimal
Unit
Protection settings of the No.2 group Index
90
Protection Settings
0056H
I_OC1
Unsigned Integer
2
A
0057H
t_OC1
Unsigned Integer
2
s
0058H
TrpLog_OC1
Unsigned Integer
0
0059H
I_OC2
Unsigned Integer
2
A
005AH
t_OC2
Unsigned Integer
2
s
005BH
TrpLog_OC2
Unsigned Integer
0
005CH
I_OC3
Unsigned Integer
2
A
005DH
t_OC3
Unsigned Integer
2
s
005EH
TD_InvOC
Unsigned Integer
2
005FH
Opt_InvOC
Unsigned Integer
0
0060H
TrpLog_OC3
Unsigned Integer
0
0061H
I_ROC1
Unsigned Integer
2
A
0062H
t_ROC1
Unsigned Integer
2
s
0063H
TrpLog_ROC1
Unsigned Integer
0
0064H
En_Dir_ROC1
Unsigned Integer
0
0065H
I_ROC2
Unsigned Integer
2
A
0066H
t_ROC2
Unsigned Integer
2
s
0067H
TrpLog_ROC2
Unsigned Integer
0
0068H
En_Dir_ROC2
Unsigned Integer
0
0069H
I_ROC3
Unsigned Integer
2
A
006AH
t_ROC3
Unsigned Integer
2
s
006BH
TD_InvROC
Unsigned Integer
2
006CH
Opt_InvROC
Unsigned Integer
0
006DH
TrpLog_ROC3
Unsigned Integer
0
006EH
En_Dir_ROC3
Unsigned Integer
0
006FH
I_OvLd
Unsigned Integer
2
0070H
TD_OvLd
Unsigned Integer
2
0071H
TrpLog_OvLd
Unsigned Integer
0
0072H
I_NegOC
Unsigned Integer
2
A
0073H
t_NegOC
Unsigned Integer
2
s
0074H
TrpLog_NegOC
Unsigned Integer
0
0075H
Ratio_I2/I1
Unsigned Integer
2
A
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8 Communication
0076H
t_BCP
Unsigned Integer
2
0077H
TrpLog_BCP
Unsigned Integer
0
0078H
I_OC_BFP
Unsigned Integer
2
A
0079H
t_BFP
Unsigned Integer
2
s
007AH
TrpLog_BFP
Unsigned Integer
0
Unsigned Integer
0
007BH
Bit0: 52b_Ctrl_BFP Bit1: Trip_Ctrl_BFP
s
007CH
N_AR
Unsigned Integer
0
007DH
t_AR1
Unsigned Integer
2
s
007EH
t_AR2
Unsigned Integer
2
s
007FH
t_AR3
Unsigned Integer
2
s
0080H
V_OV
Unsigned Integer
2
V
0081H
t_OV
Unsigned Integer
2
s
0082H
TrpLog_OV
Unsigned Integer
0
0083H
V_UV
Unsigned Integer
2
V
0084H
t_UV
Unsigned Integer
2
s
0085H
TrpLog_UV
Unsigned Integer
0
0086H
En_VTSBlkUV
Unsigned Integer
0
8.5.4.4 Information of Remote Control This relay can provide remote control function for closing or opening a circuit breaker or a switch. Index 0000H
Remote Control Rmt_Ctrl
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Date Type
Decimal
Signed Integer
0
Unit
91
8 Communication
92
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9 Installation
9 Installation 9.1 General The equipment must be shipped, stored and installed with the greatest care. Choose the place of installation such that the communication interface and the controls on the front of the device are easily accessible. Air must circulate freely around the equipment. Observe all the requirements regarding place of installation and ambient conditions given in this instruction manual. Take care that the external wiring is properly brought into the equipment and terminated correctly and pay special attention to grounding. Strictly observe the corresponding guidelines contained in this section.
9.2 Safety Instructions Modules and units may only be replaced by correspondingly trained personnel. Always observe the basic precautions to avoid damage due to electrostatic discharge when handling the equipment. In certain cases, the settings have to be configured according to the demands of the engineering configuration after replacement. It is therefore assumed that the personnel who replace modules and units are familiar with the use of the operator program on the service PC. DANGER: Only insert or withdraw the PWR module while the power supply is switched off. To this end, disconnect the power supply cable that connects with the PWR module. WARNING: Only insert or withdraw the other boards while the power supply is switched off. WARNING: The modules of this relay may only be inserted in the slots designated in Chapter 5. Components can be damaged or destroyed by inserting boards in the wrong slots. DANGER: Improper handling of the equipment can cause damage or an incorrect response of the equipment itself or the primary plant. WARNING: Industry packs and ribbon cables may only be replaced or the positions of jumpers be changed on a workbench appropriately designed for working on electronic NR ELECTRIC CO., LTD.
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equipment. The modules and bus backplanes of this device are sensitive to electrostatic discharge when not in the unit’s housing. The basic precautions to guard against electrostatic discharge are as follows: z
Should boards have to be removed from this device installed in a grounded cubicle in an HV switchgear installation, please discharge yourself by touching station ground (the cubicle) beforehand.
z
Only hold electronic boards at the edges, taking care not to touch the components.
z
Only works on boards that have been removed from the cubicle on a workbench designed for electronic equipment and wear a grounded wristband. Do not wear a grounded wristband, however, while inserting or withdrawing units.
z
Always store and ship the electronic boards in their original packing. Place electronic parts in electrostatic screened packing materials.
9.3 Checking the Shipment Check that the consignment is complete immediately upon receipt. Notify the nearest NR Company or agent, should departures from the delivery note, the shipping papers or the order be found. Visually inspect all the material when unpacking it. When there is evidence of transport damage, lodge a claim immediately in writing with the last carrier and notify the nearest NR Company or agent. If the equipment is not going to be installed immediately, store all the parts in their original packing in a clean dry place at a moderate temperature. The humidity at a maximum temperature and the permissible storage temperature range in dry air are listed in Section 2.1.3.
9.4 Material and Tools Required The necessary mounting kits will be provided, including screws, pincers and assembly instructions. A suitable drill and spanners are required to secure the cubicles to the floor using the plugs provided (if this device is mounted in cubicles).
9.5 Device Location and Ambient Conditions The place of installation should permit easy access especially to front of the device, i.e. to the human-machine interface of the equipment. There should also be free access at the rear of the equipment for additions and replacement of electronic boards. 94
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Since every piece of technical equipment can be damaged or destroyed by inadmissible ambient conditions, such as: 1) The location should not be exposed to excessive air pollution (dust, aggressive substances). 2) Severe vibration, extreme changes of temperature, high levels of humidity, surge voltages of high amplitude and short rise time and strong induced magnetic fields should be avoided as far as possible. 3) Air must not be allowed to circulate freely around the equipment. The equipment can in principle be mounted in any attitude, but it is normally mounted vertically (visibility of markings). WARNING: Excessively high temperature can appreciably reduce the operating life of this device.
9.6 Mechanical Installation This device is made of a single layer 4U height 6” chassis with 4 connectors on its rear panel (See Figure 5.1-2). Following figure shows the dimensions of this device for reference in mounting. 165.31 149.90
188.92
LED3 LED4
M
TRIP CB STATE
N
A
LED2
RS-232
CLOSE
D US
T
LED1
ALARM
U
HEALTHY
TRIP
173.00 AI
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CPU
EXT
PWR
Cut-out in the Cubicle
Figure 9.6-1 Dimensions of the PCS-9691E and the cut-out in the cubicle (unit: mm)
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NOTE: It is necessary to leave enough space top and bottom of the cut-out in the cubicle for heat emission of the PCS-9691E. As mentioned former (Chapter 5 “Hardware Description”), up to four modules are installed in the enclosure of this device, and these modules must be plugged into the proper slots of the PCS-9691E respectively. The safety instructions must be abided by when installing the boards, see Section 9.2 “Safety Instructions”. In the case of equipment supplied in cubicles, place the cubicles on the foundations that have been prepared. Take care while doing so not to jam or otherwise damage any of the cables that have already been installed. Secure the cubicles to the foundations. The following shows the installation demonstration of this device.
Figure 9.6-2 Installation demonstration of this device
9.7 Electrical Installation and Wiring 9.7.1 Grounding Guidelines Switching operations in HV installations generate transient over voltages on control signal cables. There is also a background of electromagnetic RF fields in electrical installations that can induce spurious currents in the devices themselves or the leads connected to them. All these influences can influence the operation of electronic apparatus. On the other hand, electronic apparatus can transmit interference that can disrupt the operation of other apparatus. In order to minimize these influences as far as possible, certain standards have to be observed with respect to grounding, wiring and screening. NOTE: All these precautions can only be effective if the station ground is of good quality.
9.7.2 Cubicle Grounding The cubicle must be designed and fitted out such that the impedance for RF interference of the 96
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9 Installation
ground path from the electronic device to the cubicle ground terminal is as low as possible. Metal accessories such as side plates, blanking plates etc., must be effectively connected surface-to-surface to the grounded frame to ensure a low-impedance path to ground for RF interference. The contact surfaces must not only conduct well, they must also be non-corroding. NOTE: If the above conditions are not fulfilled, there is a possibility of the cubicle or parts of it forming a resonant circuit at certain frequencies that would amplify the transmission of interference by the devices installed and also reduce their immunity to induced interference. Movable parts of the cubicle such as doors (front and back) or hinged equipment frames must be effectively grounded to the frame by three braided copper strips (see Figure 9.7-1). The metal parts of the cubicle housing and the ground rail are interconnected electrically conducting and corrosion proof. The contact surfaces shall be as large as possible. NOTE: For metallic connections please observe the voltage difference of both materials according to the electrochemical code. The cubicle ground rail must be effectively connected to the station ground rail by a grounding strip (braided copper).
Figure 9.7-1 Cubicle grounding system
9.7.3 Ground Connection on the Device There is a ground terminal on the rear panel (see Figure 9.7-2), and the ground braided copper strip can be connected with it. Take care that the grounding strip is always as short as possible. The main thing is that the device is only grounded at one point. Grounding loops from unit to unit are not allowed. There are some ground terminals on some connectors of the PCS-9691E, and the sign is “GND”. All the ground terminals are connected in the cabinet of this relay. So, the ground terminal on the NR ELECTRIC CO., LTD.
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rear panel (see Figure 9.7-2) is the only ground terminal of this device.
Figure 9.7-2 Ground terminal of the PCS-9691E
9.7.4 Grounding Strips and their Installation High frequency currents are produced by interference in the ground connections and because of skin effect at these frequencies, only the surface region of the grounding strips is of consequence. The grounding strips must therefore be of (preferably tinned) braided copper and not round copper conductors, as the cross-section of round copper would have to be too large. Data of braided copper strip: threaded M4, 4.0mm2. Proper terminations must be fitted to both ends (press/pinch fit and tinned) with a hole for bolting them firmly to the items to be connected. The surfaces to which the grounding strips are bolted must be electrically conducting and non-corroding. The following figure shows the ground strip and termination.
Figure 9.7-3 Ground strip and termination
9.7.5 Guidelines for Wiring There are several types of cables that are used in the connection of PCS-9691E: braided copper cable, serial communication cable. Recommendation of each cable: z
Grounding: braided copper cable, threaded M4, 4.0mm2
z
Serial communication: 4-core shielded braided cable
z
Power supply, Binary Output: brained copper cable, 1.5mm2
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9 Installation
9.7.6 Wiring for Electrical Cables A female connector is used for connecting the wires with it, and then a female connector plugs into a corresponding male connector that is in the front of one board. For further details about the pin defines of these connectors, see Chapter 5 “Hardware Description”. The following figure shows the glancing demo about the wiring for the electrical cables.
Figure 9.7-4 Glancing demo about the wiring for electrical cables WARNING: Never allow the current transformer (CT) secondary circuit connected to this equipment to be opened while the primary system is live. Opening the CT circuit will produce a dangerously high voltage.
9.8 Typical Wiring of the Relay Relevant information and sections about the modules and the connectors of this device are described in Chapter 5. Referring the relevant sections can help to wire correctly and effectively. z
The power supply can be DC or AC power supply input. In Figure 9.8-1, if the DC power supply is applied, the “A~” is the positive input (PS+), and the “N~” is the negative input (PS-).
z
The closing circuit must be in series with an auxiliary normal close contact of the CB, and the tripping circuit must be in series with an auxiliary normal open contact of the CB; these methods can avoid the closing coil (CC) and tripping coil (TC) to be damaged.
z
The “BI_1” to “BI_10” are the programmable binary inputs of this device, and each binary input can be defined respectively. See Section 7.3 for more information about the binary input definition. The default definition of these programmable binary inputs in the manufacture factory is applied in Figure 9.8-1. The binary input rated voltage must be definitely declared in the technical scheme and the contract.
z
The “BO1” to “BO4” are the programmable binary outputs of this device, and each binary output can be defined respectively. See Section 7.3 for more information about the binary output definition.
The typical wiring of this relay is shown as below. NR ELECTRIC CO., LTD.
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9 Installation
A~
N~
AI module wiring is accordant to Section 5.2 101
PWR
102
52a 52b
52a
52b
401
BI-COM
402
BI_1 (BI_CtrlCls)
403
BI_2 (BI_CtrlTrp)
404
BI_3 (BI_CtrlMode)
405
BI_4 (BI_RstTarg)
406
BI_5 (BI_Uncharged)
407
BI_6 (BI_52a)
408
BI_7 (BI_52b)
409
BI_8 (BI_EmergTrp)
201
BI_9+
202
BI_9-
203
BI_10+
204
BI_10-
213
CCS1+
205
CCS2+
206
CCS2-
214
TCS1+
207
TCS2+
208
TCS2-
212
CC
52b
210 218
TC
52a
216
FAIL
BO1
BI_9 (EBI_Lockout)
BO2
BO3
BO4
103 104 105 106 107 108 109 110 111 112
221
AO
222
BI_10 (BI_Ext_BFP) FGND
418
CCS Circuit
FGND
422
TCS Circuit
485A-1
415
485B-1
416
GND-1
417
485A-2
419
485B-2
420
GND-2
421
Closing Output
Tripping Output
Figure 9.8-1 Typical wiring diagram of this relay
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10 Commissioning
10 Commissioning 10.1 General This relay is fully numerical in their design, implementing all protection and non-protection functions in software. The relay employ a high degree of self-checking and in the unlikely event of a failure, will give an alarm. As a result of this, the commissioning test does not need to be as extensive as with non-numeric electronic or electro-mechanical relays. To commission numerical relays, it is only necessary to verify that the hardware is functioning correctly and the application-specific software settings have been applied to the relay. Blank commissioning test and setting records are provided at the end of this manual for completion as required. Before carrying out any work on the equipment, the user should be familiar with the contents of the safety and technical data sections and the ratings on the equipment’s rating label.
10.2 Safety Instructions WARNING: Hazardous voltages are present in this electrical equipment during operation. Non-observance of the safety rules can result in severe personal injury or property damage. WARNING: Only qualified personnel shall work on and around this equipment after becoming thoroughly familiar with all warnings and safety notices of this manual as well as with the applicable safety regulations. Particular attention must be drawn to the following: z
The earthing screw of the device must be connected solidly to the protective earth conductor before any other electrical connection is made.
z
Hazardous voltages can be present on all circuits and components connected to the supply voltage or to the measuring and test quantities.
z
Hazardous voltages can be present in the device even after disconnection of the supply voltage (storage capacitors!).
z
The limit values stated in the technical data (Chapter 2) must not be exceeded at all, not even during testing and commissioning.
z
When testing the device with secondary test equipment, make sure that no other measurement quantities are connected. Take also into consideration that the trip circuits and maybe also close commands to the circuit breakers and other primary switches are
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10 Commissioning
disconnected from the device unless expressly stated. DANGER: Current transformer secondary circuits must have been short-circuited before the current leads to the device are disconnected. WARNING: Primary test may only be carried out by qualified personnel, who are familiar with the commissioning of protection system, the operation of the plant and safety rules and regulations (switching, earthing, etc.).
10.3 Commission Tools Minimum equipment required: z
Multifunctional dynamic current and voltage injection test set with interval timer.
z
Multimeter with suitable AC current range and AC/DC voltage ranges of 0 ~ 500V and 0 ~ 250V respectively.
z
Continuity tester (if not included in the multimeter).
z
Phase angle meter.
z
Phase rotation meter. NOTE: Modern test set may contain many of the above features in one unit.
Optional equipment: z
An electronic or brushless insulation tester with a DC output not exceeding 500V (for insulation resistance test when required).
z
A portable PC, with appropriate software (this enables the rear communications port to be tested, if this is to be used, and will also save considerable time during commissioning).
z
EIA RS-485 to EIA RS-232 converter (if communication port and relevant protocol need to be tested).
10.4 Setting Familiarization When commissioning a PCS-9691E relay for the first time, sufficient time should be allowed to become familiar with the method by which the settings are applied. The Chapter 6 contains a detailed description of the menu structure of this relay. With the front cover in place all keys are accessible. All menu cells can be read. LED indicators and alarms can be reset. Protection or configuration settings can be changed, or fault and event records cleared. However, menu cells will require the appropriate password to be entered before changes can be made. 102
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10 Commissioning
Alternatively, if a portable PC is available together with suitable setting software “RCS-PC”, the menu can be viewed a page at a time to display a full column of data and text. This PC software also allows settings to be entered more easily, saved to a file on disk for future reference or printed to produce a setting record. Refer to the “RCS-PC” software user manual for details. If the software is being used for the first time, allow sufficient time to become familiar with its operation.
10.5 Product Checks These product checks cover all aspects of the relay which should be checked to ensure that it has not been physically damaged prior to commissioning, is functioning correctly and all input quantity measurements are within the stated tolerances. If the application-specific settings have been applied to the relay prior to commissioning, it is advisable to make a copy of the settings so as to allow them restoration later. This could be done by extracting the settings from the relay itself via printer or manually creating a setting record.
10.5.1 With the Relay De-energized The PCS-9691E serial protection is fully numerical and the hardware is continuously monitored. Commissioning tests can be kept to a minimum and need only include hardware tests and conjunctive tests. The function tests are carried out according to user’s correlative regulations. The following tests are necessary to ensure the normal operation of the equipment before it is first put into service. z
Hardware tests These tests are performed for the following hardware to ensure that there is no hardware defect. Defects of hardware circuits other than the following can be detected by self-monitoring when the DC power is supplied.
z
User interfaces test
z
Binary input circuits and output circuits test
z
AC input circuits test
z
Function tests These tests are performed for the following functions that are fully software-based. Tests of the protection schemes and fault locator require a dynamic test set.
z
Measuring elements test
z
Timers test
z
Metering and recording test
z
Conjunctive tests The tests are performed after the relay is connected with the primary equipment and other external equipment.
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10 Commissioning
z
On load test.
z
Phase sequence check and polarity check.
10.5.1.1 Visual Inspection After unpacking the product, check for any damage to the relay case. If there is any damage, the internal module might also have been affected, contact the vendor. Following items listed is necessary. z
Protection panel Carefully examine the protection panel, protection equipment inside and other parts inside to see that no physical damage has occurred since installation. The rated information of other auxiliary protections should be checked to ensure it is correct for the particular installation.
z
Panel wiring Check the conducting wire which is used in the panel to assure that their cross section meeting the requirement. Carefully examine the wiring to see that they are no connection failure exists.
z
Label Check all the isolator binary inputs, terminal blocks, indicators, switches and push buttons to make sure that their labels meet the requirements of this project.
z
Equipment plug-in modules Check each plug-in module of the equipments on the panel to make sure that they are well installed into the equipment without any screw loosened.
z
Earthing cable Check whether the earthing cable from the panel terminal block is safely screwed to the panel steel sheet.
z
Switch, keypad, isolator binary inputs and push button Check whether all the switches, equipment keypad, isolator binary inputs and push buttons work normally and smoothly.
10.5.1.2 Insulation Test (if required) Insulation resistance tests are only necessary during commissioning if it is required for them to be done and they have not been performed during installation. Isolate all wiring from the earth and test the isolation with an electronic or brushless insulation tester at a DC voltage not exceeding 500V, The circuits need to be tested should include: z
104
Current transformer circuits
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10 Commissioning
z
Power supply
z
Optic-isolated control inputs
z
Output contacts
z
Communication ports
The insulation resistance should be greater than 100MΩ at 500V. Test method: To unplug all the terminals sockets of this relay, and do the Insulation resistance test for each circuit above with an electronic or brushless insulation tester. On completion of the insulation resistance tests, ensure all external wiring is correctly reconnected to the protection 10.5.1.3 External Wiring Check that the external wiring is correct to the relevant relay diagram and scheme diagram. Ensure as far as practical that phasing/phase rotation appears to be as expected. Check the wiring against the schematic diagram for the installation to ensure compliance with the customer’s normal practice. 10.5.1.4 Auxiliary Supply The relay can be operated with the power supply voltage 30Vac, 110Vdc, 220Vdc, 110Vac or 220Vac auxiliary supply depending on the relay’s nominal supply rating. The incoming voltage must be within the operating range specified in Chapter 2, before energizing the relay, measure the auxiliary supply to ensure it within the operating range.
10.5.2 With the Relay Energized The following groups of checks verify that the relay hardware and software is functioning correctly and should be carried out with the auxiliary supply applied to the relay. The current and voltage transformer connections must remain isolated from the relay for these checks. The trip circuit should also remain isolated to prevent accidental operation of the associated circuit breaker. 10.5.2.1 Check Program Version Connect the relay to power supply correctly and turn the relay on. Check program version and forming time displayed in command menu to ensure that are corresponding to what ordered. The liquid crystal display (LCD) is designed to operate in a wide range of substation ambient temperatures. For this purpose, this relay has an automatic “LCD contrast” adjusting feature, which is capable to adjust LCD contrast automatically according to the ambient temperature. 10.5.2.2 Check Date and Time If the time and date is not being maintained by substation automation system, the date and time NR ELECTRIC CO., LTD.
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10 Commissioning
should be set manually. Set the date and time to the correct local time and date using menu item “CLOCK”. In the event of the auxiliary supply failing, with a battery fitted on CPU board, the time and date will be maintained. Therefore when the auxiliary supply is restored the time and date will be correct and not need to set again. To test this, remove the auxiliary supply from the relay for approximately 30s. After being re-energized, the time and date should be correct. 10.5.2.3 Check the LEDs z
“HEALTHY” LED In normal operation situation, the “HEALTHY” LED is on. If a fatal error which is described in Section 6.3.3 occurs in this device, the “HEALTHY” LED will be off.
z
“ALARM” LED In normal operation situation, the “ALARM” LED is off. If an error which is described in Section 6.3.3 occurs in this device, the “ALARM” LED will be on. So simulate the abnormality in Section 6.3.3 to check the “ALARM” LED.
z
“TRIP” LED The “TRIP” LED can be tested by initiating a manual circuit breaker trip from the relay. However the “TRIP” LED will operate during the protective function checks (performed later). Therefore no further testing of the “TRIP” LED is required at this stage.
z
“CB STATE” LED The “CB STATE” LED is used to denote the circuit breaker position state. When the CB is closed, the “CB STATE” LED is on; otherwise, the “CB STATE” LED is off.
z
Other LEDs The “LED1” to “LED4” can be defined as various signal output indicators, so define all the LEDs as the same function, and then simulate the relevant signal to check this LEDs.
10.5.2.4 Testing the AC Current Inputs This test verified that the accuracy of current measurement is within the acceptable tolerances. Apply current equal to the current transformer secondary winding rating to each current transformer input of the corresponding rating in turn, see the following table or external connection diagram for appropriate terminal numbers, checking its magnitude using a multimeter/test set readout. The corresponding reading can then be checked in the relays menu. The current measurement accuracy of the relay is ±2.0% or 0.01In, whichever is greater. However an additional allowance must be made for the accuracy of the test equipment being used. Current channel linearity and precision checkout
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Current channel linearity and precision checkout Item
Practical Input
Measurement (on LCD)
Error
Ia Ib Ic I0 10.5.2.5 Testing the AC Voltage Inputs This test verified that the accuracy of voltage measurement is within the acceptable tolerances. Apply rated voltage to each voltage transformer input in turn; checking its magnitude using a multimeter/test set readout. The corresponding reading can then be checked in the relays menu. The voltage measurement accuracy of the relay is ±0.5%. However an additional allowance must be made for the accuracy of the test equipment being used. Voltage channel linearity and precision checkout Item
Practical Input
Measurement (on LCD)
Error
Ua Ub Uc U0 10.5.2.6 Testing the Binary Inputs This test checks that all the binary inputs on the relay are functioning correctly. The binary inputs should be energized one at a time, see external connection diagrams for terminal numbers. Ensure that the voltage applied on the binary input must be within the operating range. The status of each binary input can be viewed using menu item “BI STATE”. Sign “1” denotes an energized input and sign “0” denotes a de-energized input. Binary Inputs testing checkout BI Name
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State without energized
State with energized
Correct?
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10.5.3 Protective Function Testing The setting checks ensure that the entire application-specific relay, for the particular installation, has been correctly applied to the relay. NOTE: The trip circuit should remain isolated during these checks to prevent accidental operation of the associated circuit breaker. 10.5.3.1 Demonstrate Correct Protection Operation The above tests have already demonstrated that the protection is within calibration, thus the purpose of these tests is as follows: z
To conclude that the primary function of the protection can trip according to the correct application settings.
z
To verify correct setting of all related protective elements.
10.5.3.2 Overcurrent Protection Check This check, performed the stage 1 overcurrent protection function, demonstrates that the relay is operating correctly at the application-specific settings. 1.
Enable the stage 1 overcurrent protection. z
Set the logic setting [En_OC1] as “1” in the relay’s “PROT CONFIG” submenu under the “SYS SETTINGS” menu, and set other logic settings as “0”.
z
Set the setting [TrpLog_OC1] in the “OC1 SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”. Here, set the [LED1] and [RLY1] as “1”; so the “LED1” can indicate the trip signal and the “BO1” can output the trip signal.
2.
Energize the binary input [EBI_OC1] (if defined), and de-energize all the other binary inputs.
3.
Simulate a normal condition with normal input currents.
4.
Simulate a single-phase fault or multi-phase fault, the fault phase current is 2×[I_OC1].
5.
After the period of [t_OC1], the stage 1 overcurrent protection will operate and issue a trip command. The “LED1” indicator will be on; a relevant report will be shown on the LCD.
6.
Simulate a normal condition with normal input currents again. The relay will restore the stage 1 overcurrent protection automatically. Restore the “LED1” indicator and the LCD manually.
10.5.3.3 IDMT Overcurrent Protection Check This check, performed the IDMT overcurrent protection function, demonstrates that the relay is operating correctly at the application-specific settings. 1.
Enable the IDMT overcurrent protection with IEC very inverse characteristic. z
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Set the logic setting [En_OC3] as “1” in the relay’s “PROT CONFIG” submenu under the
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“SYS SETTINGS” menu, and set other logic settings as “0”. z
Set the setting [Opt_InvOC] as “7” in the “OC3 SETTINGS” submenu under the “PROT SETTINGS” menu.
z
Set the setting [TrpLog_OC3] in the “OC3 SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”. Here, set the [LED1] and [RLY1] as “1”; so the “LED1” can indicate the trip signal and the “BO1” can output the trip signal.
2.
Energize the binary input [EBI_OC3] (if defined), and de-energize all the other binary inputs.
3.
Simulate a normal condition with normal input currents.
4.
Simulate a single-phase fault or multi-phase fault, the fault phase current is 2×[I_OC3].
5.
After the period of 13.5×[t_OC3], the IDMT overcurrent protection will operate and issue a trip command. The “LED1” indicator will be on; a relevant report will be shown on the LCD.
6.
Simulate a normal condition with normal input currents again. The relay will restore the IDMT overcurrent protection automatically. Restore the “LED1” indicator and the LCD manually. NOTE: The IDMT overcurrent protection with other inverse characteristic can be checked through the same method. Note to set the relevant inverse characteristic correctly.
10.5.3.4 Zero Sequence Overcurrent Protection Check This check, performed the stage 1 zero sequence overcurrent protection function, demonstrates that the relay is operating correctly at the application-specific settings. 1.
Enable the stage 1 zero sequence overcurrent protection. z
Set the logic setting [En_ROC1] as “1” in the relay’s “PROT CONFIG” submenu under the “SYS SETTINGS” menu, and set other logic settings as “0”.
z
Set the setting [TrpLog_ROC1] in the “ROC1 SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”, the bit [En_Dir_ROC1] is set as “0”. Here, set the [LED1] and [RLY1] as “1”; so the “LED1” can indicate the trip signal and the “BO1” can output the trip signal.
2.
Energize the binary input [EBI_ROC1] (if defined), and de-energize all the other binary inputs.
3.
Simulate a normal condition, the input current of the zero sequence CT is less than 0.9 × [I_ROC1].
4.
Simulate a single-phase earth fault, the input current of the zero sequence CT is greater than 1.1 × [I_ROC1].
5.
After the period of [t_ROC1], the stage 1 zero sequence overcurrent protection will operate and issue a trip command. The “LED1” indicator will be on; a relevant report will be shown on the LCD.
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6.
Simulate a normal condition again. The relay will restore the stage 1 zero sequence overcurrent protection automatically. Restore the “LED1” indicator and the LCD manually.
10.5.3.5 Zero Sequence IDMT Overcurrent Protection Check This check, performed the zero sequence IDMT overcurrent protection function, demonstrates that the relay is operating correctly at the application-specific settings. 1.
Enable the zero sequence IDMT overcurrent protection with IEC very inverse characteristic. z
Set the logic setting [En_ROC3] as “1” in the relay’s “PROT CONFIG” submenu under the “SYS SETTINGS” menu, and set other logic settings as “0”.
z
Set the setting [Opt_InvROC] as “7” in the “ROC3 SETTINGS” submenu under the “PROT SETTINGS” menu.
z
Set the setting [TrpLog_ROC3] in the “ROC3 SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”, the bit [En_Dir_ROC1] is set as “0”. Here, set the [LED1] and [RLY1] as “1”; so the “LED1” can indicate the trip signal and the “BO1” can output the trip signal.
2.
Energize the binary input [EBI_ROC3] (if defined), and de-energize all the other binary inputs.
3.
Simulate a normal condition, the input current of the zero sequence CT is less than 0.9×[I_ROC3].
4.
Simulate a single-phase earth fault, the input current of the zero sequence CT is 2×[I_ROC3].
5.
After the period of 13.5×[t_ROC3], the zero sequence IDMT overcurrent protection will operate and issue a trip command. The “LED1” indicator will be on; a relevant report will be shown on the LCD.
6.
Simulate a normal condition again. The relay will restore the zero sequence IDMT overcurrent protection automatically. Restore the “LED1” indicator and the LCD manually. NOTE: The zero sequence IDMT overcurrent protection with other inverse characteristic can be checked through the same method. Note to set the relevant inverse characteristic correctly.
10.5.3.6 Thermal Overload Protection Check This check, performed the thermal overload protection function, demonstrates that the relay is operating correctly at the application-specific settings. 1.
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Enable the thermal overload protection. z
Set the logic setting [En_OvLd] as “1” in the relay’s “PROT CONFIG” submenu under the “SYS SETTINGS” menu, and set other logic settings as “0”.
z
Set the setting [TrpLog_OvLd] in the “OvLd SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”. Here, set the [LED1] and [RLY1] as “1”; so the “LED1” can indicate the trip signal and the “BO1” can output the NR ELECTRIC CO., LTD.
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trip signal. 2.
Energize the binary input [EBI_OvLd] (if defined), and de-energize all the other binary inputs.
3.
Simulate a normal condition with normal input currents.
4.
Simulate a system overload situation; the fault phase current is 3.0 × [I_OvLd].
5.
After the thermal accumulation is 100%, the thermal overload protection will operate and issue a trip command. The “LED1” indicator will be on; a relevant report will be shown on the LCD.
6.
Simulate a normal condition with normal input currents again. The relay will restore the thermal overload protection automatically. Restore the “LED1” indicator and the LCD manually.
10.5.3.7 Negative Sequence Overcurrent Protection Check This check, performed the negative sequence overcurrent protection function, demonstrates that the relay is operating correctly at the application-specific settings. 1.
Enable the negative sequence overcurrent protection. z
Set the logic setting [En_NegOC] as “1” in the relay’s “PROT CONFIG” submenu under the “SYS SETTINGS” menu, and set other logic settings as “0”.
z
Set the setting [TrpLog_NegOC] in the “NegOC SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”. Here, set the [LED1] and [RLY1] as “1”; so the “LED1” can indicate the trip signal and the “BO1” can output the trip signal.
2.
Energize the binary input [EBI_NegOC] (if defined), and de-energize all the other binary inputs.
3.
Simulate a normal condition with normal input currents.
4.
Simulate a system fault situation to make the negative sequence current is greater than 1.1 × [I_NegOC].
5.
After the period of [t_NegOC], the negative sequence overcurrent protection will operate and issue a trip command. The “LED1” indicator will be on; a relevant report will be shown on the LCD.
6.
Simulate a normal condition again. The relay will restore the negative sequence overcurrent protection automatically. Restore the “LED1” indicator and the LCD manually.
10.5.3.8 Broken Conductor Protection Check This check, performed the broken conductor protection function, demonstrates that the relay is operating correctly at the application-specific settings. 1.
Enable the broken conductor protection. z
Set the logic setting [En_BCP] as “1” in the relay’s “PROT CONFIG” submenu under the
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“SYS SETTINGS” menu, and set other logic settings as “0”. z
Set the setting [TrpLog_BCP] in the “BCP SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”. Here, set the [LED1] and [RLY1] as “1”; so the “LED1” can indicate the trip signal and the “BO1” can output the trip signal.
2.
Energize the binary input [EBI_BCP] (if defined), and de-energize all the other binary inputs.
3.
Simulate a normal condition with normal input currents.
4.
Simulate a system fault situation to make the negative sequence current and positive sequence current satisfy the logic condition of the broken conductor protection.
5.
After the period of [t_BCP], the broken conductor protection will operate and issue a trip command. The “LED1” indicator will be on; a relevant report will be shown on the LCD.
6.
Simulate a normal condition again. The relay will restore the broken conductor protection automatically. Restore the “LED1” indicator and the LCD manually.
10.5.3.9 Breaker Failure Protection Check This check, performed the breaker failure protection function, demonstrates that the relay is operating correctly at the application-specific settings. 1.
Enable the breaker failure protection. z
Enable the stage 1 overcurrent protection according to the Section 10.5.3.2.
z
Set the logic setting [En_BFP] as “1” in the relay’s “PROT CONFIG” submenu under the “SYS SETTINGS” menu, and set other logic settings as “0”.
z
Set the setting [TrpLog_BFP] in the “BFP SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”. Here, set the [LED2] and [RLY2] as “1”; so the “LED2” can indicate the BFP trip signal and the “BO2” can output the BFP trip signal.
z
Set the settings [En_52b_Ctrl_BFP] and [En_Trp_Ctrl_BFP] as “1” in the “BFP SETTINGS” submenu under the “PROT SETTINGS” menu.
2.
Energize the binary input [EBI_BFP] and [EBI_OC1] (if defined), and de-energize all the other binary inputs.
3.
Energize the binary input [BI_52a] until this check is finished.
4.
Simulate a system fault as described in Section 10.5.3.2, and this relay will output the stage 1 overcurrent protection trip signal.
5.
Keep the fault situation and make the fault phase current is greater than 1.1 × [I_OC_BFP].
6.
After the period of [t_BFP], the breaker failure protection will operate and issue a trip command again. The “LED2” indicator will be on; a relevant report will be shown on the LCD.
7. 112
Simulate a normal condition again and de-energize all the binary inputs. The relay will restore NR ELECTRIC CO., LTD.
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the breaker failure protection automatically. Restore the “LED1” and “LED2” indicatora and the LCD manually. 10.5.3.10 Overvoltage Protection Check This check, performed the overvoltage protection function, demonstrates that the relay is operating correctly at the application-specific settings. 1.
Enable the overvoltage protection. z
Set the logic setting [En_OV] as “1” in the relay’s “PROT CONFIG” submenu under the “SYS SETTINGS” menu, and set other logic settings as “0”.
z
Set the setting [TrpLog_OV] in the “OV SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”. Here, set the [LED1] and [RLY1] as “1”; so the “LED1” can indicate the trip signal and the “BO1” can output the trip signal.
2.
Energize the binary inputs [BI_52a] and [EB_OV] (if defined), and de-energize all the other binary inputs of this relay.
3.
Simulate a normal condition with normal input voltages.
4.
Simulate a system fault situation to make one of the three phase-to-phase voltages is greater than 1.05 × [V_OV].
5.
After the period of [t_OV], the overvoltage protection will operate and issue a trip command. The “LED1” indicator will be on; a relevant report will be shown on the LCD.
6.
Simulate a normal condition again. The relay will restore the overvoltage protection automatically. Restore the “LED1” indicator and the LCD manually.
10.5.3.11 Undervoltage Protection Check This check, performed the undervoltage protection function, demonstrates that the relay is operating correctly at the application-specific settings. 1.
Enable the undervoltage protection. z
Set the logic setting [En_UV] as “1” in the relay’s “PROT CONFIG” submenu under the “SYS SETTINGS” menu, and set other logic settings as “0”.
z
Set the setting [TrpLog_UV] in the “UV SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”. Here, set the [LED1] and [RLY1] as “1”; so the “LED1” can indicate the trip signal and the “BO1” can output the trip signal.
2.
Energize the binary inputs [BI_52a] and [EB_UV] (if defined), and de-energize all the other binary inputs of this relay.
3.
Simulate a normal condition with normal input voltages.
4.
Simulate a system fault situation to make all of the three phase-to-phase voltages are less
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than 0.95 × [V_UV]. 5.
After the period of [t_UV], the undervoltage protection will operate and issue a trip command. The “LED1” indicator will be on; a relevant report will be shown on the LCD.
6.
Simulate a normal condition again. The relay will restore the undervoltage protection automatically. Restore the “LED1” indicator and the LCD manually.
10.5.3.12 Auto-reclosing Check This check, performed the auto-reclosing function, demonstrates that the relay is operating correctly at the application-specific settings. There are many operation elements can make the auto-recloser operate. Here, the check is based on the assumption that the stage 1 overcurrent protection is operated. 1.
Enable the stage 1 overcurrent protection and auto-recloser of this relay. z
Set the logic setting [En_OC1] and [En_AR] as “1” in the relay’s “PROT CONFIG” submenu under the “SYS SETTINGS” menu, and set other logic settings as “0”.
z
Set the setting [TrpLog_OC1] in the “OC1 SETTINGS” submenu under the “PROT SETTINGS” menu. The bit [En_Prot] and [En_Trp] are set as “1”. Here, set the [LED1] and [RLY1] as “1”; so the “LED1” can indicate the trip signal and the “BO1” can output the trip signal.
z
Set the setting [N_AR] as “1” in the “AR SETTINGS” submenu under the “PROT SETTINGS” menu. It means the auto-recloser can shot one time.
z
Set the setting [Def_LED2] as “7” in the “SYS SETTINGS” submenu under the “SYS SETTINGS” menu. It means the “LED2” can indicate the auto-recloser ready state.
2.
Energize the binary input [EBI_OC] (if defined), and de-energize all the other binary inputs.
3.
Simulate a normal condition with normal currents and the circuit breaker is closed. After 15 seconds, the auto-reclosing element is ready and in service. The “LED2” indicator is on.
4.
Simulate a single-phase fault or multi-phase fault, the fault phase current is 2×[I_OC1].
5.
After the period of [t_OC1], the stage 1 overcurrent protection will operate and issue a trip command. The “LED1” indicator will be on; a relevant report will be shown on the LCD.
6.
Just at the same time, simulate a normal condition in which the input currents are zero and the circuit breaker is opened. After the period of [t_1stAR], the auto-recloser will operate, this relay will issue a reclosing signal; a relevant report will be shown on the LCD.
10.5.4 On-load Checks The objectives of the on-load checks are: z
Confirm the external wiring to the current inputs is correct.
z
Measure the magnitude of on-load current (if applicable).
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z
Check the polarity of each current transformer.
However, these checks can only be carried out if there are no restrictions preventing the tenderization of the plant being protected. Remove all test leads, temporary shorting leads, etc. and replace any external wiring that has been removed to allow testing. If it has been necessary to disconnect any of the external wiring from the protection in order to perform any of the foregoing tests, it should be ensured that all connections are replaced in accordance with the relevant external connection or scheme diagram. Confirm the current transformer wiring.
10.5.5 Final Checks After the above tests are completed, remove all test or temporary shorting leads, etc. If it has been necessary to disconnect any of the external wiring from the protection in order to perform the wiring verification tests, it should be ensured that all connections are replaced in accordance with the relevant external connection or scheme diagram. Ensure that the protection has been restored to service. If the protection is in a new installation or the circuit breaker has just been maintained, the circuit breaker maintenance and current counters should be zero. If a test block is installed, remove the test plug and replace the cover so that the protection is put into service. Ensure that all event records, fault records, disturbance records and alarms have been cleared and LED’s has been reset before leaving the protection.
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11 Maintenance
11 Maintenance 11.1 Maintenance Schedule It is recommended that products supplied by NR receive periodic monitoring after installation. In view of the critical nature of protective relays and their infrequent operation, it is desirable to confirm that they are operating correctly at regular intervals. This relays are self-supervised and so require less maintenance than earlier designs of relay. Most problems will result in an alarm so that remedial action can be taken. However, some periodic tests should be done to ensure that the relay is functioning correctly and the external wiring is intact.
11.2 Regular Testing The relay is almost completely self-supervised. The circuits which can not be supervised are binary input, output circuits and human machine interfaces. Therefore regular testing can be minimized to checking the unsupervised circuits.
11.3 Failure Tracing and Repair Failures will be detected by automatic supervision or regular testing. When a failure is detected by supervision, a remote alarm is issued and the failure is indicated on the front panel with LED indicators and LCD display. It is also recorded in the alarm record. Failures detected by supervision are traced by checking the “ALM REPORT” screen on the LCD. See Section 6.3.3 “Display under Abnormal Condition” for the details of the alarm events. When a failure is detected during regular testing, confirm the following: z
Test circuit connections are correct
z
Modules are securely inserted in position
z
Correct power supply voltage is applied
z
Correct AC inputs are applied
z
Test procedures comply with those stated in the manual
11.4 Replace Failed Modules If the failure is identified to be in the relay module and the user has spare modules, the user can recover the protection by replacing the failed modules.
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Repair at the site should be limited to module replacement. Maintenance at the component level is not recommended. Check that the replacement module has an identical module name (AI, PWR, CPU and EXT) and hardware type-form as the removed module. Furthermore, the CPU module replaced should have the same software version. And the AI and PWR module replaced should have the same ratings. WARNING: Units and modules may only be replaced while the supply is switched off and only by appropriately trained and qualified personnel. Strictly observe the basic precautions to guard against electrostatic discharge. WARNING: When handling a module, take anti-static measures such as wearing an earthed wrist band and placing modules on an earthed conductive mat. Otherwise, many of the electronic components could suffer damage. After replacing the CPU module, check the settings. DANGER: After replacing modules, be sure to check that the same configuration is set as before the replacement. If this is not the case, there is a danger of the unintended operation of switchgear taking place or of protections not functioning correctly. Persons may also be put in danger.
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12 Decommissioning and Disposal
12 Decommissioning and Disposal 12.1 Decommissioning 12.1.1 Switching off To switch off the PCS-9691E, switch off the external miniature circuit breaker of the power supply.
12.1.2 Disconnecting cables Disconnect the cables in accordance with the rules and recommendations made by relational department. DANGER: Before disconnecting the power supply cables that connected with the PWR module of the PCS-9691E, make sure that the external miniature circuit breaker of the power supply is switched off. DANGER: Before disconnecting the cables that are used to connect analog input module with the primary current transformers, make sure that the circuit breaker for the primary current transformers is switched off.
12.1.3 Dismantling The PCS-9691E rack may now be removed from the system cubicle, after which the cubicles may also be removed. DANGER: When the station is in operation, make sure that there is an adequate safety distance to live parts, especially as dismantling is often performed by unskilled personnel.
12.2 Disposal In every country there are companies specialized in the proper disposal of electronic waste. NOTE: Strictly observe all local and national regulations when disposing of the device.
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13 Manual Version History
13 Manual Version History In the current version of the instruction manual, several descriptions on existing features have been modified. Manual version and modification history records Version Software
Manual
2.00
1.00
2.01
2.02
2.10
2.11
1.01
1.02
1.03
1.04
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Date
Description of change
2009-02-26
Form the original manual.
2009-06-05
(1) Modify the terminal definition and figures in Section 5.6, 5.7 and 9.8 (2) Add the new theory of the TCS and CCS in Section 5.7
2009-06-25
(1) Add the theory of the thermal overload protection, the negative sequence overcurrent protection, the broken conductor protection and the breaker failure protection in Chapter 3 (2) Add a new binary input definition in Section 4.5 (3) Add the relevant HMI information of the new added protections in Chapter 6 (4) Add the relevant setting information of the new added protections in Chapter 7 (5) Add the relevant communication information of the new added protections in Chapter 8 (6) Add the relevant commissioning information of the new added protections in Chapter 10
2009-09-22
(1) Add two measurement value “Accu” and “RseT” in Section 6.5.1 and 8.4.2 (2) Modify the setting definitions in Chapter 7 and delete three never used settings
2010-02-28
(1) Update the thermal overload protection in Section 3.4 (2) Add directional element for the zero sequence overcurrent protection (3) Add undervoltage and overvoltage protections (4) Update the auto-recloser logic (5) Add voltage transformer supervision function (6) Redefine the terminal definition of the AI module (7) Update the setting sheets (8) Add the commissioning related to the undervoltage and overvoltage protections (9) Update all the figures to make them be in consonance with the firmware of this relay 121
13 Manual Version History
2.12
2.21
2.22
2.22
2.23
2.24
2.25
1.05
1.06
1.07
1.08
1.09
1.10
1.11
2010-03-12
2010-08-03
(1) Modify the thermal curves graph of the thermal overload protection in Section 3.4 (2) Modify the setting description of the setting [Opt_Dir_ROC] in Section 7.3 (1) (2) (3) (4) (5) (6)
Update the undervoltage logic in Section 3.8 Update the VTS logic in Section 4.2.7 Modify the HMI menu diagram in Section 6.2.1 Modify the submenu description in Section 6.2.2 Update the measurement table in Section 6.5.1 Add the new measurements to the communication information table in Chapter 8
2010-08-19
(1) Modify the description about how to reset the protection operation signal (2) Update the measurement table in Section 6.5.1
2010-09-28
(1) Update the relevant settings in Section 7.2 (2) Add a new section related to the DNP3.0 protocol in Chapter 8
2010-10-28
(1) Update the description related to the analog value in Chapter 6 (2) Update the description related to the password of this device in Chapter 6
2011-01-30
(1) Update the relevant logic diagrams in Chapter 3 (2) Update the relevant binary input signals in Chapter 4, Chapter 6, and Chapter 8 (3) Update the relevant settings in Section 7.3 (4) Update the relevant commissioning description in Section 10.5.3
2011-06-15
(1) (2) (3) (4) (5) (6)
Support the circuit breaker with double tripping coils Add the logic setting [Opt_CBType] in Section 7.3 Update the operation circuit in Section 5.6 and 5.7 Update the alarm signal table in Section 6.3.3 Update the information table in Chapter 8 Update the typical wiring diagram in Section 9.8
2.26
1.12
2011-08-15
(1) Update the parameters of the analog voltage input in Section 2.1.1.3 (2) Update the submenu “REPORT” in Section 6.2.3 (3) Update the relevant tables of the operation elements, add three new signals “Op_PhA”, “Op_PhB” and “Op_PhC” in Chapter 6 and Chapter 8 (4) Update the relevant tables about the settings, add two new setting “En_CCS” and “En_TCS”, delete the setting “En_TCCS” in Chapter 7 and Chapter 8
2.27
1.13
2011-11-16
(1) Add some description of the fault and distribution function in Chapter 1 and Chapter 2
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13 Manual Version History
(2) Add some description of the history report recording function in Chapter 1 (3) Update the TCS and CCS function in Section 4.2.3 (4) Update the description of communication ports in CPU module in Section 5.3 (5) Update the HMI menu and the relevant description in Chapter 6 (6) Update the setting tables in Chapter 7 (7) Update the communication information in Chapter 8 (8) Add relevant description of the “RCS-PC” in relevant sections of this manual (9) Update the binary input parameters in Section 2.1.1.4
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NR ELECTRIC CO., LTD.
2012-08-08
(1) Add two new settings in Section 7.3, and update the relevant information tables in Chapter 8 (2) Update the description of the wave recording function in Section 1.2, Section 1.3 and Section 2.3.3 (3) Add the pickup element communication information in Chapter 8
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