Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a Minimum load station. None of above. Base load station. Peak load station. Minimum load station. None of above. Base load station. Peak load station. 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 shunt reactor required for compensating ferranti effect? 2000 Ω 1500 Ω 3000 Ω 500 Ω 2000 Ω 1500 Ω 3000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of excitation Failure of prime mover of the generator All of these Over voltage Failure of excitation Failure of prime mover of the generator All of these Over voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? IDMT relay. Mho relay. Impedance relay. Buchholz relay. IDMT relay. Mho relay. Impedance relay. Buchholz relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 0.99. 0.75. 1.0. 1.35. 0.99. 0.75. 1.0. 1.35. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.25 0.025 0.05 0.02 0.25 0.025 0.05 0.02 ANSWER DOWNLOAD EXAMIANS APP
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