Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lead 0.8 lead 0.8 lag 0.6 lag 0.6 lead 0.8 lead 0.8 lag 0.6 lag ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 478 MW 456 MW 400 MW 386 MW 478 MW 456 MW 400 MW 386 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have zero power factor 0.707 lagging power factor unity power factor 0.707 leading power factor zero power factor 0.707 lagging power factor unity power factor 0.707 leading power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of the cable is doubled, its capacitance C will be one-half. doubled. one-fourth. unchanged. one-half. doubled. one-fourth. unchanged. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? DC series motor Three phase synchronous motor DC shunt motor Three phase induction motor DC series motor Three phase synchronous motor DC shunt motor Three phase induction motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? Nominal ∏ nether 1 nor 2 either 1 or 2 Nominal T Nominal ∏ nether 1 nor 2 either 1 or 2 Nominal T ANSWER DOWNLOAD EXAMIANS APP
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