Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a Minimum load station. Peak load station. None of above. Base load station. Minimum load station. Peak load station. None of above. Base load station. 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 10.936 pu 7.936 pu 9.936 pu 8.936 pu 10.936 pu 7.936 pu 9.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Suspension type insulators are used for voltage beyond 440 V 33 kV 230 V 11 kV 440 V 33 kV 230 V 11 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? Differential relays Buccholz relays both 1 and 2 over current relays Differential relays Buccholz relays both 1 and 2 over current relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 30° 35° 60° 45° 30° 35° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.8 lead 0.6 lag and 0.6 lead 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.8 lead 0.6 lag and 0.6 lead ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS