Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 5th harmonic current. 2nd harmonic current. 3rd harmonic current. 7th harmonic current. 5th harmonic current. 2nd harmonic current. 3rd harmonic current. 7th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are smooth voltage regulation is possible by controlling excitation All of these single unit can be used as both capacitance and inductor by adjusting the excitation It requires less maintanance smooth voltage regulation is possible by controlling excitation All of these single unit can be used as both capacitance and inductor by adjusting the excitation It requires less maintanance ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 55 kA. 50 kA. 35 kA. 45 kA. 55 kA. 50 kA. 35 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect occurs under full load half load any of the above no load full load half load any of the above no load ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an interconnected power system, the most suitable power plant to meet the peak load condition is pumped storage plant nuclear plant thermal plant hydro power plant pumped storage plant nuclear plant thermal plant hydro power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be 0.44. 0.25. 0.83. 1.3. 0.44. 0.25. 0.83. 1.3. ANSWER DOWNLOAD EXAMIANS APP
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