Power Systems Which cooling is preferred for large turbine generator Nitrogen cooling. None of these. Hydrogen cooling. Oxygen cooling. Nitrogen cooling. None of these. Hydrogen cooling. Oxygen cooling. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LG LLG LLL LL LG LLG LLL LL ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following buses is/are not PV buses? voltage control buses fixed shunt capacitor buses both 1 and 2 reactive power support buses voltage control buses fixed shunt capacitor buses both 1 and 2 reactive power support buses 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? Oil CB. Air blast CB. Vacuum CB. SF6 CB. Oil CB. Air blast CB. Vacuum CB. SF6 CB. 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. none of these. improve the power factor of the transmission. connect instruments on the LT side. reduce losses in a transmission line. none of these. improve the power factor of the transmission. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydroelectric power station is commonly found in swamps. hilly areas. grasslands. desert areas. swamps. hilly areas. grasslands. desert areas. ANSWER DOWNLOAD EXAMIANS APP
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