Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 420 Ω 210 Ω 840 Ω 400 Ω 420 Ω 210 Ω 840 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is steam power. nuclear. diesel power. hydroelectric. steam power. nuclear. diesel power. hydroelectric. 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 incident current? 2500 A 250 A 200 A 100 A 2500 A 250 A 200 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 8.936 pu 9.936 pu 10.936 pu 7.936 pu 8.936 pu 9.936 pu 10.936 pu 7.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The generating station suitable to operate as peak load plant is Nuclear power station. Power station. Pumped storage. Thermal power station. Nuclear power station. Power station. Pumped storage. Thermal power station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? squirrel cage rotor cylindrical rotor salient pole rotor either of these squirrel cage rotor cylindrical rotor salient pole rotor either of these ANSWER DOWNLOAD EXAMIANS APP
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