Fuel Consumption Calculation [PDF]

Citation preview

Description



Value



Unit



Description



Value



Unit



Energy Input



7076



KW



Gas Consumption



1000



Cubic Mt.



Elect. O/P



3022



KW



Gas Consumption



35314.7



Cubic Ft.



Fuel Consumption



2.341495698



KWH / KWH



GCV / HHV



1028



Btu/Cft



Fuel Consumption



7989.511132



Btu/KWh



MMBTU



36.3035116



_



Cost/MMBTU



182.09



Rs.



GCV / HHV



1028



Btu/Cubic Ft.



LHV



925.2



Btu/Cubic Ft.



Fuel Consumption



8.635442209



Cubic Ft/KWh



Fuel Consumption



0.244528522



Cubic Mt./KWh



Guaranteed 5% add



0.256754948



Cubic Mt./KWh



1 cmt=35.3147cft 1 cft=.02831685cmt 1 KWH =3412.14 Btu/H



Total Cost



6610.506427



Rs.



Fuel Consumption Calculation for JGS 620( as per Jenbacher data ) Fuel gas LHV Energy Input Mechanical output Electrical out put at p.f. 0.8 Specific Fuel consumption(Mech.) Specific Fuel consumption(Elect.) at p.f.0.8 Fuel consumption in Nm3/ekwh at 100 %



9.5 7076 3119 3013 2.268675858 2.348489877



Kwh/Nm3 KWH BKWH EKWH Kwh/bKwh Kwh/eKwh



34.2 MJ/Nm3



0.247209461 Nm3/eKWh



Fuel Consumption Calculation for JGS620 ( as per SSGC gas data) Fuel gas GCV Fuel gas LHV Specific Fuel consumption(Elect.) at p.f.0.8 Specific Fuel consumption(Elect.) at p.f.0.8 Fuel consumption in SFT3/ekwh at 100 % Fuel consumption in Sft3 MMbtu Gas rate Gas cost Unit cost



950 855 2.348489877 8013.37625 9.372369883 28238.95046 26.96313318 182.09 4909.716921



Btu/Sft3 Btu/Sft3 Kwh/eKwh Btuh/eKwh eKwh/Sft3 Sft3 Mmbtu Rs./Mmbtu Rs.



1.629511092 Rs./Ekw



Note:



26.96313318 4909.716921



IKW= 3412.14Btu 1m3= 35.4939 sft3



for ssgc & sngpl



Fuel Consumption Calculation Based on Load Factor & LHV 1 KWh/Nm3 3.6 MJ/Nm3 1 KWh



3412.14 Btu



1 m3



35.4939Sft3



For SSGC & SNGPL



GCV LHV



940 837



Btu/sft3 Btu/sft3



9.77811 KWh/Nm3 8.70251 KWh/Nm3



100%



95%



90%



85%



80%



75%



Energy Input



2658



2536



2414



2291



2169



2047



Mech.Output



1095



1040



986



931



876



821



Elect.Output



1064



1011



958



905



851



798



Sp.Fuel Cons. Mech.



2.43



2.43846 2.448276 2.46079 2.4760274



2.49



Sp.Fuel Cons. Elect.



2.50



2.50871 2.518802 2.53168 2.5473533



2.57



Fuel Consumption



0.287



0.293



0.295



ISO Tolerance +5% 0.301 0.303 0.304 0.305



0.307



0.309



Fuel Consumption



10.909



10.985



10.695



0.288



0.289



0.291



10.744



10.787



10.842



Fuel Consumption



11382.91 10860.4



10338



9811.23 9288.7619



MMBTU



10.75423 10.2606 9.767009 9.26935 8.7757428 8.28213



Cost



2242.902



2139.95 2037.007 1933.22 1830.2689 1727.32



Per Unit Cost



2.107317



2.11692 2.125443 2.13631 2.1495351 2.16456



8766.3



d Factor & LHV



70%



65%



60%



55%



50%



45%



unit



1925



1803



1681



1559



1437



1315



KW



767



712



657



602



548



493



KW



746



692



639



585



530



479



KW



2.51



2.53



2.56



2.59



2.62



2.67



KWh/bKWh



2.58



2.61



2.63



2.66



2.71



2.74



KWh/eKWh



0.297



0.299



0.302



0.306



0.312



0.315



Nm3/KWh



0.312 0.314 0.318 0.321 0.327



0.331



Nm3/KWh



11.058



11.157



11.273



11.410



11.752



Sft3/KWh



8243.83



7721.36



7198.9



6676.43



6153.965 5631.499



7.788522 7.29491



6.8013



6.30769



5.814081 5.320471



1624.374



1521.43



1418.48



1315.53 1212.585 1109.637



Rs.



2.178836



2.19839



2.22122



2.24822 2.287896 2.315623



Rs./KWh



11.611



Sft3