Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 2 and 5 pu 1 and 3 pu 2 and 2 pu 3 and 1 pu 2 and 5 pu 1 and 3 pu 2 and 2 pu 3 and 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? Zs*√(1 + Kcsh) All of these √(1 + Kcsh)/Zs Zs/√(1 + Kcsh) Zs*√(1 + Kcsh) All of these √(1 + Kcsh)/Zs Zs/√(1 + Kcsh) ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.30 0.60 0.0060 0.0030 0.30 0.60 0.0060 0.0030 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reactor, chain reactor is controlled by introducing brass rods. cadmium rods. iron rods. graphite rods. brass rods. cadmium rods. iron rods. graphite rods. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants is free from environmental problem Diesel engine. Nuclear. Hydroelectric. Steam. Diesel engine. Nuclear. Hydroelectric. Steam. 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 and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 14.5° 35.5° 10.5° 29° 14.5° 35.5° 10.5° 29° ANSWER DOWNLOAD EXAMIANS APP
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