Power Systems In case of failure of prime mover of the generator, which type of relay is used? impedance relay offset mho relay distance relays reverse power relay impedance relay offset mho relay distance relays reverse power relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 4 MJ/MVA 16 MJ/MVA 8 MJ/MVA 2 MJ/MVA 4 MJ/MVA 16 MJ/MVA 8 MJ/MVA 2 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because short circuit currents are greatly out of phase with load currents both 1 and 2 nether 1 nor 2 short circuit currents are much larger than load currents short circuit currents are greatly out of phase with load currents both 1 and 2 nether 1 nor 2 short circuit currents are much larger than load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 386 MW 400 MW 478 MW 456 MW 386 MW 400 MW 478 MW 456 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 5 6 2 8 5 6 2 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pipes carrying steam are generally of aluminium. cobalt. steel. cast iron. aluminium. cobalt. steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
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