Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 14.76 A. 1 A. 14.7 mA. 1.476 A. 14.76 A. 1 A. 14.7 mA. 1.476 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of prime mover of the generator Over voltage All of these Failure of excitation Failure of prime mover of the generator Over voltage All of these Failure of excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In load flow studies PV bus is treated as PQ bus when phase angle become high voltage at the bus become high reactive power goes beyond limit any of the above phase angle become high voltage at the bus become high reactive power goes beyond limit any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? SF6 CB. Vacuum CB. Air blast CB. Oil CB. SF6 CB. Vacuum CB. Air blast CB. Oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when diameter decrease resistivity decrease All of these frequency decrease diameter decrease resistivity decrease All of these frequency decrease ANSWER DOWNLOAD EXAMIANS APP
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