Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? 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 initial cost is low smooth voltage regulation is possible by controlling excitation both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line having surge impedance loading (SIL) of 2280 MW is provided with a uniformly distributed series capacitive compensation of 30 %. Then SIL of compensated transmission line will be 1835 MW. 2280 MW. 2725 MW. 3257 MW. 1835 MW. 2280 MW. 2725 MW. 3257 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always leading the arc current by 90°. in phase opposition with the arc current. lagging the arc current by 90°. in phase with the arc current. leading the arc current by 90°. in phase opposition with the arc current. lagging the arc current by 90°. in phase with the arc current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Due to proximity effect, the increase in conductor resistance is not negligible in communication lines underground cable overhead transmission lines All of these communication lines underground cable overhead transmission lines All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be 51.61 MW. 57.5 MW. 52 MW. 53 MW. 51.61 MW. 57.5 MW. 52 MW. 53 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? Q and V P and Q V and δ P and V Q and V P and Q V and δ P and V ANSWER DOWNLOAD EXAMIANS APP
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