a) A power consist of two 200 MW units, whose input cost is given by…

Previous year question for Power System-III.

Question

a) A power consist of two 200 MW units, whose input cost is given by (12)

$F_1 = 0.004\,P_1^2 + 2.0\,P_1 + 80$

$F_2 = 0.006\,P_2^2 + 1.5\,P_2 + 100$

For the total load of 250 MW What should be the division of load between two units of most economic operation?

b) What do you mean by unit commitment? (8)