Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 82% 80% 76% 78% 82% 80% 76% 78% 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? 36. 36 kV 30.6 Kv 100 kV 18.18 kV 36. 36 kV 30.6 Kv 100 kV 18.18 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Phase shift occurs due to which of the following components? conductance capacitance inductance both 1 and 2 conductance capacitance inductance both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines B = C = Z Is = Ir A = D = 1 All of these B = C = Z Is = Ir A = D = 1 All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Synchronous line both 1 and 2 Asynchronous line No need of same frequency for exchange of power Synchronous line both 1 and 2 Asynchronous line No need of same frequency for exchange of power ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 2000 Ω 750 Ω 3000 Ω 1500 Ω 2000 Ω 750 Ω 3000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP