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 18.18 kV 100 kV 36. 36 kV 30.6 Kv 18.18 kV 100 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Suspension type insulators are used for voltage beyond 230 V 440 V 33 kV 11 kV 230 V 440 V 33 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for All of these measuring of safety voltage protection of equipment from ground faults discharging residual energies All of these measuring of safety voltage protection of equipment from ground faults discharging residual energies ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to transient voltage. arcing period voltage. normal frequency 50 Hz rms voltage. none of these. transient voltage. arcing period voltage. normal frequency 50 Hz rms voltage. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt resistance at receiving end shunt capacitor at receiving end shunt reactor at receiving end All of these shunt resistance at receiving end shunt capacitor at receiving end shunt reactor at receiving end All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP