Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 3 and 1 pu 2 and 2 pu 1 and 3 pu 2 and 5 pu 3 and 1 pu 2 and 2 pu 1 and 3 pu 2 and 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j9 pu j3 pu j6 pu j1 pu j9 pu j3 pu j6 pu j1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Switchgear equipment include fuses. switches. relays and CB. all of these. fuses. switches. relays and CB. all of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a Peak load station. None of above. Base load station. Minimum load station. Peak load station. None of above. Base load station. Minimum load station. 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? 8 MJ/MVA 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA 8 MJ/MVA 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following given faults, all the sequence currents are equal? LLG LL LG LLL LLG LL LG LLL ANSWER DOWNLOAD EXAMIANS APP