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 = 80 MW, P2 = 120 MW P1 = 120 MW, P2 = 80 MW P1 = 100 MW, P2 = 100 MW P1 = 60 MW, P2 = 140 MW P1 = 80 MW, P2 = 120 MW P1 = 120 MW, P2 = 80 MW P1 = 100 MW, P2 = 100 MW P1 = 60 MW, P2 = 140 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 11.8% 85% 88.2% 15% 11.8% 85% 88.2% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect will not occur in which of the following transmission lines medium transmission lines short transmission lines long transmission lines All of these medium transmission lines short transmission lines long transmission lines All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 9000 10 90 1000 9000 10 90 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is low specific speed turbine? Pelton None of these Francis Kaplan Pelton None of these Francis Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which power plant cannot have single unit of 100 MW capacity Steam power plant. Hydro electric power plant. Nuclear power plant. Diesel engine plant. Steam power plant. Hydro electric power plant. Nuclear power plant. Diesel engine plant. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS