Power Systems In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is 61.73 MVAr. 45 MVAr. 55.56 MVAr. 40.5 MVAr. 61.73 MVAr. 45 MVAr. 55.56 MVAr. 40.5 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 0.48 Hz -0.52 Hz 50 Hz 0.52 Hz 0.48 Hz -0.52 Hz 50 Hz 0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have 0.707 lagging power factor 0.707 leading power factor zero power factor unity power factor 0.707 lagging power factor 0.707 leading power factor zero power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Short circuit Over load Temperature any of the above Short circuit Over load Temperature any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Among the following which is not non conventional energy Wind. Tidal. Nuclear. Geothermal. Wind. Tidal. Nuclear. Geothermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is 20. 5. 10. 55.1. 20. 5. 10. 55.1. ANSWER DOWNLOAD EXAMIANS APP
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