Power Systems
Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW?

 P1 = 100 MW, P2 = 100 MW
 P1 = 60 MW, P2 = 140 MW
 P1 = 120 MW, P2 = 80 MW
 P1 = 80 MW, P2 = 120 MW

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Power Systems
Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero

 if the shunt admittances at the buses are ignored
 always
 if both 2 and 3 are satisfied
 if the mutual couplings between transmission lines are absent

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