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 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 initial cost is low ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 16. 6. 24. 12. 16. 6. 24. 12. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Breaking speed. Critical length of breaking. None of these. Both A and C. Breaking speed. Critical length of breaking. None of these. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? nuclear plant gas based thermal power plant pumped storage hydro power plant coal based thermal power plant nuclear plant gas based thermal power plant pumped storage hydro power plant coal based thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from external lightning All of these protection of equipment from open circuits protection of equipment from short circuits protection of equipment from external lightning All of these protection of equipment from open circuits protection of equipment from short circuits ANSWER DOWNLOAD EXAMIANS APP
Power Systems Phase shift occurs due to which of the following components? capacitance conductance inductance both 1 and 2 capacitance conductance inductance both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS