Power Systems Advantages of shunt compensation is/are It requires less maintanance single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation All of these It requires less maintanance single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation All of these 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 0.5 pu 1 pu 0.8 pu 0.4 pu 0.5 pu 1 pu 0.8 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? None of these Power line Both power and telecommunication lines either 1 or 2 None of these Power line Both power and telecommunication lines either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? All of these isolated grounding reactance grounding resistance grounding All of these isolated grounding reactance grounding resistance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 3.75 pu 4.28 pu 2.5 pu 7.25 pu 3.75 pu 4.28 pu 2.5 pu 7.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Direct conversion of heat energy into electrical energy is possible through Fuel or solar cell. Both A and C. MHD generator. Thermal converters. Fuel or solar cell. Both A and C. MHD generator. Thermal converters. ANSWER DOWNLOAD EXAMIANS APP
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