Power Systems Surge impedance loading (SIL) is represented by Vph²/Zs both 1 and 2 Vl²*√(C/L) Vl²/Zs Vph²/Zs both 1 and 2 Vl²*√(C/L) Vl²/Zs 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? 6000 kW 3750 kW 7500 kW 3000 kW 6000 kW 3750 kW 7500 kW 3000 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect occurs under no load any of the above half load full load no load any of the above half load full load ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce radio interference proximity effect skin effect ferranti effect radio interference proximity effect skin effect ferranti effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 225 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems In order to have lower cost of power generaion the load factor and diversity factor should be low the load factor should be high but diversity factor should be low The load factor and diversity factor should be high the load factor should be low but diversity factor should be high the load factor and diversity factor should be low the load factor should be high but diversity factor should be low The load factor and diversity factor should be high the load factor should be low but diversity factor should be high ANSWER DOWNLOAD EXAMIANS APP