Power Systems Isolator in sub station is open under ------------- condition? full load any of the above short circuit no load full load any of the above short circuit no load ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? 31.35 to 34.65 kV any voltage above 33 kV 25 to 35 kV 33 to 50 kV 31.35 to 34.65 kV any voltage above 33 kV 25 to 35 kV 33 to 50 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by both 1 and 2 Vl²/Zs Vl²*√(C/L) Vph²/Zs both 1 and 2 Vl²/Zs Vl²*√(C/L) Vph²/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 500 kV 600 kV 320 kv 400 kV 500 kV 600 kV 320 kv 400 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Among the following which is not non conventional energy Geothermal. Tidal. Nuclear. Wind. Geothermal. Tidal. Nuclear. Wind. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 75% 25% 66.66% 33.33% 75% 25% 66.66% 33.33% ANSWER DOWNLOAD EXAMIANS APP
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