Power Systems Which of the following faults is/are treated as external faults? All of these Failure of excitation Failure of prime mover of the generator Over voltage All of these Failure of excitation Failure of prime mover of the generator Over voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical disruptive voltage is a voltage at which both 1 and 2 corona is visible with blue or violet colour corona is just initiated nether 1 nor 2 both 1 and 2 corona is visible with blue or violet colour corona is just initiated nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on the lighting voltage. the switch voltage. R × I. corona. the lighting voltage. the switch voltage. R × I. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is nuclear. steam power. diesel power. hydroelectric. nuclear. steam power. diesel power. hydroelectric. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 0.22 5 0.4 2000 0.22 5 0.4 2000 ANSWER DOWNLOAD EXAMIANS APP
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 1 pu 0.4 pu 0.5 pu 0.8 pu 1 pu 0.4 pu 0.5 pu 0.8 pu ANSWER DOWNLOAD EXAMIANS APP
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