Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 500 MVA 100 MVA 200 MVA 400 MVA 500 MVA 100 MVA 200 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Uses of diesel power stations All of these peak load plant. standby plants. emergency plants. All of these peak load plant. standby plants. emergency plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying none of these. adjustable back up stop. no. of ampere-turns. air gap of magnetic path. none of these. adjustable back up stop. no. of ampere-turns. air gap of magnetic path. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to remove dissolved. heat the feed water. remove dissolved gases in water. heat the steam. remove dissolved. heat the feed water. remove dissolved gases in water. heat the steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? smooth voltage regulation is possible by controlling excitation initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation both 1 and 2 smooth voltage regulation is possible by controlling excitation initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because 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 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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