Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 1.13 0.882 0.93 1 1.13 0.882 0.93 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is transformer and transmission lines. generator. motor. none of these. transformer and transmission lines. generator. motor. none of these. 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%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 30° and 45° 26° and 30° 30° and 26° 45° and 26° 30° and 45° 26° and 30° 30° and 26° 45° and 26° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona loss is ----------------- on hilly areas than as plain areas. None of these less more remain same None of these less more remain same ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is circular. spiral. none of these. elliptical. circular. spiral. none of these. elliptical. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are used as load frequency control All of these most economical as a peak load supply plant operating time is minimum used as load frequency control All of these most economical as a peak load supply plant operating time is minimum ANSWER DOWNLOAD EXAMIANS APP
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