Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 250 MW 500 MW 1250 MW 750 MW 250 MW 500 MW 1250 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 95.5 102.5 105.2 85.5 95.5 102.5 105.2 85.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 75% 86%% 90% 50% 75% 86%% 90% 50% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are No units for any quantity Need of transformation ratio All of these It has units for all quantities No units for any quantity Need of transformation ratio All of these It has units for all quantities ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is none of these. generator. transformer and transmission lines. motor. none of these. generator. transformer and transmission lines. motor. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pumped storage plant is a None of these peak load plant both 1 and 2 base load plant None of these peak load plant both 1 and 2 base load plant ANSWER DOWNLOAD EXAMIANS APP
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