Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 100 MVA 500 MVA 200 MVA 400 MVA 100 MVA 500 MVA 200 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station plant load factor is defined as the ratio of the energy generated to that of maximum energy that could have been generated minimum load to peak load minimum load to average load average load to the peak load the energy generated to that of maximum energy that could have been generated minimum load to peak load minimum load to average load average load to the peak load ANSWER DOWNLOAD EXAMIANS APP
Power Systems Out of the following plant categories which is not the base load power plant? Run of river. Nuclear. Diesel. Pump storage. Run of river. Nuclear. Diesel. Pump storage. 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 12.5 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to connect instruments on the LT side. reduce losses in a transmission line. improve the power factor of the transmission. none of these. connect instruments on the LT side. reduce losses in a transmission line. improve the power factor of the transmission. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xs - Xm Xs +2 Xm Xm - Xs 2Xs + Xm Xs - Xm Xs +2 Xm Xm - Xs 2Xs + Xm ANSWER DOWNLOAD EXAMIANS APP
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