Power Systems Which of the following relays are used in protection of medium transmission lines? Admittance relays Mho relays any of the above Impedance relays Admittance relays Mho relays any of the above Impedance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when GMD decrease and GMR increase both GMD and GMR increase both GMD and GMR decrease GMD increase and GMR decrease GMD decrease and GMR increase both GMD and GMR increase both GMD and GMR decrease GMD increase and GMR decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems The generating station suitable to operate as peak load plant is Nuclear power station. Thermal power station. Power station. Pumped storage. Nuclear power station. Thermal power station. Power station. Pumped storage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 102.5 85.5 95.5 105.2 102.5 85.5 95.5 105.2 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. improve the power factor of the transmission. none of these. connect instruments on the LT side. reduce losses in a transmission line. improve the power factor of the transmission. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 2 MJ/MVA 8 MJ/MVA 6 MJ/MVA 4 MJ/MVA 2 MJ/MVA 8 MJ/MVA 6 MJ/MVA 4 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
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