Power Systems When reactance grounding is used in network, the voltage between neutral and ground is IR0 × Xn 3×IR0 × Xn both 1 and 3 IN × Xn IR0 × Xn 3×IR0 × Xn both 1 and 3 IN × Xn ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Minimum oil CB. Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by increasing its voltage level both 1 and 3 addition of lumped capacitance in series addition of lumped inductance in parallel increasing its voltage level both 1 and 3 addition of lumped capacitance in series addition of lumped inductance in parallel ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 120 : 6 / √3. 100 : 5 / √3. 150 : 4 / √3. 200 : 5 / √3. 120 : 6 / √3. 100 : 5 / √3. 150 : 4 / √3. 200 : 5 / √3. 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? 60° 45° 30° 35° 60° 45° 30° 35° ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is N-R method G-S method All of these Decoupled method N-R method G-S method All of these Decoupled method ANSWER DOWNLOAD EXAMIANS APP
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