Power Systems If the breakdown voltage of the insulator is high, the thickness of the insulator is None of these it does not related to breakdown voltage high less None of these it does not related to breakdown voltage high less ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as skin effect corona effect All of these unsymmetrical fault skin effect corona effect All of these unsymmetrical fault 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? 45° and 26° 30° and 45° 30° and 26° 26° and 30° 45° and 26° 30° and 45° 30° and 26° 26° and 30° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 400 Ω 160 Ω 800 Ω 200 Ω 400 Ω 160 Ω 800 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 0.4 4, 10 100, 10 4, 0.4 100, 0.4 4, 10 100, 10 4, 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Offset mho relay is used for the protection of equipment when failure of prime mover of the generator either 1 or 2 None of these loss of excitation of the generator failure of prime mover of the generator either 1 or 2 None of these loss of excitation of the generator ANSWER DOWNLOAD EXAMIANS APP