Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? All of these increase power factor unequal ice loading increase string efficiency All of these increase power factor unequal ice loading increase string efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? graphite All of these heavy water beryllium graphite All of these heavy water beryllium ANSWER DOWNLOAD EXAMIANS APP
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 transmitted voltage? 100 kV 18.18 kV 30.6 Kv 36. 36 kV 100 kV 18.18 kV 30.6 Kv 36. 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.5 pu 0.4 pu 1 pu 0.8 pu 0.5 pu 0.4 pu 1 pu 0.8 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 50 km operating at frequency of 500 Hz. Find the type of the line? medium transmission line long transmission line short transmission line any of the above medium transmission line long transmission line short transmission line any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 2.4 pu 0.2 pu 3.975 pu 1.375 pu 2.4 pu 0.2 pu 3.975 pu 1.375 pu ANSWER DOWNLOAD EXAMIANS APP
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