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? 86%% 90% 75% 50% 86%% 90% 75% 50% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting excitation control Dynamic breaking All of these Fast acting governing system Fast acting excitation control Dynamic breaking All of these Fast acting governing system ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a plant capacity of 200 MW and maximum power demand is 150 MW. If average power generation is 110 MW, then find the load factor and capacity factor respectively? 0.55 and 0.733 0.65 and 0.55 0.733 and 0.65 0.733 and 0.55 0.55 and 0.733 0.65 and 0.55 0.733 and 0.65 0.733 and 0.55 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by Vph²/Zs Vl²*√(C/L) both 1 and 2 Vl²/Zs Vph²/Zs Vl²*√(C/L) both 1 and 2 Vl²/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems Uses of diesel power stations emergency plants. All of these peak load plant. standby plants. emergency plants. All of these peak load plant. standby plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect will not occur in which of the following transmission lines short transmission lines All of these long transmission lines medium transmission lines short transmission lines All of these long transmission lines medium transmission lines ANSWER DOWNLOAD EXAMIANS APP
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