Power Systems Bundled conductors are used for EHV transmission lines primarily for reducing the surge impedance of the line corona loss voltage drop across the line copper loss surge impedance of the line corona loss voltage drop across the line copper loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 200 A 100 A 2500 A 250 A 200 A 100 A 2500 A 250 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LL LLG LG LLL LL LLG LG LLL ANSWER DOWNLOAD EXAMIANS APP
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° 60° 45° 35° 30° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 10 sec. 20 sec. 5 sec. none of these. 10 sec. 20 sec. 5 sec. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against temperature. overload. short circuit. over voltage. temperature. overload. short circuit. over voltage. ANSWER DOWNLOAD EXAMIANS APP
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