Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 100 A 2500 A 250 A 200 A 100 A 2500 A 250 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 50 kA. 35 kA. 45 kA. 55 kA. 50 kA. 35 kA. 45 kA. 55 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Breaking current is a ------------------ value? RMS average maximum any of the above RMS average maximum any of the above 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 coal based thermal power plant pumped storage hydro power plant nuclear plant gas based thermal power plant coal based thermal power plant pumped storage hydro power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.2 pu 5 pu 1 pu 0.25 pu 0.2 pu 5 pu 1 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 200 MW 1600 MW 400 MW 800 MW 200 MW 1600 MW 400 MW 800 MW ANSWER DOWNLOAD EXAMIANS APP