Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of maximum. one - third of minimum. zero. two - thirds of maximum. one - third of maximum. one - third of minimum. zero. two - thirds of maximum. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.025 0.02 0.25 0.05 0.025 0.02 0.25 0.05 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? 50% 75% 86%% 90% 50% 75% 86%% 90% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is not base load power plant Run water. Diesel. Nuclear. Pump storage. Run water. Diesel. Nuclear. Pump storage. ANSWER DOWNLOAD EXAMIANS APP
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? 1250 MW 500 MW 250 MW 750 MW 1250 MW 500 MW 250 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance? 0.025 mH/Km 0.05 mH/Km 0.1 mH/Km 0 mH/Km 0.025 mH/Km 0.05 mH/Km 0.1 mH/Km 0 mH/Km ANSWER DOWNLOAD EXAMIANS APP