Power Systems Condition for zero voltage regulation is tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect will not occur in which of the following transmission lines All of these short transmission lines medium transmission lines long transmission lines All of these short transmission lines medium transmission lines long transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a Minimum load station. Peak load station. Base load station. None of above. Minimum load station. Peak load station. Base load station. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation initial cost is low both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation initial cost is low ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging any of the above shunt reactor shunt capacitor series capacitor any of the above shunt reactor shunt capacitor series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is none of these. much higher than with unsectional bus bar. equal to unsectional bus bar. much lower than with unsectional bus bar. none of these. much higher than with unsectional bus bar. equal to unsectional bus bar. much lower than with unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
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