Power Systems Apart from the skin effect the non uniformity of the current distribution is also caused by bundled conductors proximity effect ferranti effect All of these bundled conductors proximity effect ferranti effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following is a medium and low head turbines Francis and Kaplan turbines. None of above. Kaplan and Francis turbines. Pelton and Kaplan turbines. Francis and Kaplan turbines. None of above. Kaplan and Francis turbines. Pelton and Kaplan turbines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 m℧? 160 Ω 400 Ω 320 Ω 200 Ω 160 Ω 400 Ω 320 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 0.48 Hz 0.52 Hz 50 Hz -0.52 Hz 0.48 Hz 0.52 Hz 50 Hz -0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15000 kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant? 3000 kW 7500 kW 6000 kW 3750 kW 3000 kW 7500 kW 6000 kW 3750 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.8 pu 0.5 pu 0.4 pu 1 pu 0.8 pu 0.5 pu 0.4 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
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