Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.8 pu 1 pu 0.5 pu 0.4 pu 0.8 pu 1 pu 0.5 pu 0.4 pu 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? 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA 8 MJ/MVA 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? DC series motor DC shunt motor Three phase induction motor Three phase synchronous motor DC series motor DC shunt motor Three phase induction motor Three phase synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 6 pu 5 pu 2 pu 2.67 pu 6 pu 5 pu 2 pu 2.67 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 8 MJ 50 MJ 200 MJ 400 MJ 8 MJ 50 MJ 200 MJ 400 MJ ANSWER DOWNLOAD EXAMIANS APP
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