Power Systems In which of the following given faults, all the sequence currents are equal? LG LL LLL LLG LG LL LLL LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 1000 0.001 0.1 10 1000 0.001 0.1 10 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? 0.52 Hz 50 Hz -0.52 Hz 0.48 Hz 0.52 Hz 50 Hz -0.52 Hz 0.48 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Aluminium is now most commonly employed conductor material in transmission lines than copper because its tensile strength is more it is cheaper and lighter costlier it is more conductive its tensile strength is more it is cheaper and lighter costlier it is more conductive ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of CB is in terms of voltage. volt - ampere. VAR. current. voltage. volt - ampere. VAR. current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is generator. motor. transformer and transmission lines. none of these. generator. motor. transformer and transmission lines. none of these. ANSWER DOWNLOAD EXAMIANS APP
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