Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? initial cost is low smooth voltage regulation is possible by controlling excitation both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation initial cost is low smooth voltage regulation is possible by controlling excitation both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems Specified quantities of load bus are P and Q V and δ P and δ Q and V P and Q V and δ P and δ Q and V 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 400 MJ 200 MJ 50 MJ 8 MJ 400 MJ 200 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because both 1 and 2 nether 1 nor 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents both 1 and 2 nether 1 nor 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Installed at points of transmission line where daily visit is difficult. Both A and B. It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. Both A and B. It is expensive. Does not require daily charging. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LLLG. LLG. LG. LL. LLLG. LLG. LG. LL. ANSWER DOWNLOAD EXAMIANS APP
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