Power Systems For accurate load flow calculations on large power systems, the best method is N-R method Decoupled method G-S method All of these N-R method Decoupled method G-S method All of these 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? 2.67 pu 6 pu 5 pu 2 pu 2.67 pu 6 pu 5 pu 2 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 j3 pu j6 pu j9 pu j1 pu j3 pu j6 pu j9 pu j1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? 0.85 Hz -0.76 Hz 0.76 Hz -0.85 Hz 0.85 Hz -0.76 Hz 0.76 Hz -0.85 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? either 1 or 2 True None of these False either 1 or 2 True None of these False ANSWER DOWNLOAD EXAMIANS APP
Power Systems String efficiency depends upon voltage rating of one SCR. all of these. no. of SCR in the string. voltage rating of whole string. voltage rating of one SCR. all of these. no. of SCR in the string. voltage rating of whole string. ANSWER DOWNLOAD EXAMIANS APP
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