Power Systems Differential relays does not used for which of the following faults? faults within a generator faults within a transformer both 1 and 2 through faults faults within a generator faults within a transformer both 1 and 2 through faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 1000 90 9000 10 1000 90 9000 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 9.68 2.63 msec 4.68 msec 1.47 msec 9.68 2.63 msec 4.68 msec 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator Hydrogen cooling. Nitrogen cooling. None of these. Oxygen cooling. Hydrogen cooling. Nitrogen cooling. None of these. Oxygen cooling. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is 3ω²C 1/3ω²C 3/ω²C ω²C/3 3ω²C 1/3ω²C 3/ω²C ω²C/3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines B = C = Z All of these A = D = 1 Is = Ir B = C = Z All of these A = D = 1 Is = Ir ANSWER DOWNLOAD EXAMIANS APP
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