Power Systems The modern trend in electric power generation to have large size thermal plants near load centre. to have large size thermal plant located near coal fields. to have large number of small size thermal plants located at different places. none of above. to have large size thermal plants near load centre. to have large size thermal plant located near coal fields. to have large number of small size thermal plants located at different places. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 2nd harmonic current. 3rd harmonic current. 7th harmonic current. 5th harmonic current. 2nd harmonic current. 3rd harmonic current. 7th harmonic current. 5th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.35. 0.75. 1.0. 0.99. 1.35. 0.75. 1.0. 0.99. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by Vl²*√(C/L) both 1 and 2 Vph²/Zs Vl²/Zs Vl²*√(C/L) both 1 and 2 Vph²/Zs Vl²/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? 600 kV 500 kV 320 kv 400 kV 600 kV 500 kV 320 kv 400 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting excitation control Dynamic breaking All of these Fast acting governing system Fast acting excitation control Dynamic breaking All of these Fast acting governing system ANSWER DOWNLOAD EXAMIANS APP
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