Power Systems Recovery voltage in CB is equal to arcing period voltage. none of these. transient voltage. normal frequency 50 Hz rms voltage. arcing period voltage. none of these. transient voltage. normal frequency 50 Hz rms voltage. 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? 3750 kW 3000 kW 7500 kW 6000 kW 3750 kW 3000 kW 7500 kW 6000 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? DC shunt motor DC series motor Three phase induction motor Three phase synchronous motor DC shunt motor DC series motor Three phase induction motor Three phase synchronous motor 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? -0.52 Hz 50 Hz 0.52 Hz 0.48 Hz -0.52 Hz 50 Hz 0.52 Hz 0.48 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents total power available. total of units of energy available. total quantity of run-off during that period. maximum rate of run-off during the period. total power available. total of units of energy available. total quantity of run-off during that period. maximum rate of run-off during the period. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the breakdown voltage of the insulator is high, the thickness of the insulator is None of these it does not related to breakdown voltage less high None of these it does not related to breakdown voltage less high ANSWER DOWNLOAD EXAMIANS APP
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