Electrical Engineering > GATE 2015 SET-2 > Economic Load Dispatch
The incremental costs (in Rupees/MWh) of operating two generating units are functions of their respective powers P1 and P2 in MW, and are given by dC1/dP1 = 0.2P1+50 and dC2/dP2 = 0.24P2+40, where 20MW≤P1≤150MW and 20MW≤P2≤150MW. For a certain load demand, P1 and P2 have been chosen such that dC1/dP1 = 76 Rs/MWh and dC2/dP2 = 68.8 Rs/MWh. If the generations are rescheduled to minimize the total cost, then P2 is ________.
Correct : 136.67
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