Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 35° 30° 45° 60° 35° 30° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of excitation Over voltage All of these Failure of prime mover of the generator Failure of excitation Over voltage All of these Failure of prime mover of the generator ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when All of these resistivity decrease frequency decrease diameter decrease All of these resistivity decrease frequency decrease diameter decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of the cable is doubled, its capacitance C will be doubled. unchanged. one-fourth. one-half. doubled. unchanged. one-fourth. one-half. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The power factor is unity The line is fully loaded The line is lightly loaded The line is heavily loaded The power factor is unity The line is fully loaded The line is lightly loaded The line is heavily loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum demand of a consumer is 2 kW and corresponding daily energy consumption is 30 units. What is the corresponding load factor? 75% 62.5% 25% 50.5% 75% 62.5% 25% 50.5% ANSWER DOWNLOAD EXAMIANS APP
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