Power Systems Ideal plant load cfactor is less than 1 greater than 1 0 1 less than 1 greater than 1 0 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by ZΩ* (MVA)b/((KV)²b *100) ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. None of these reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. None of these reduce the effect of water hammer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -10% 10% -6.92% 6.92% -10% 10% -6.92% 6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 6 MJ/MVA 2.5 MJ/MVA 10.5 MJ/MVA 15 MJ/MVA 6 MJ/MVA 2.5 MJ/MVA 10.5 MJ/MVA 15 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 250 A 200 A 2500 A 100 A 250 A 200 A 2500 A 100 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS