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 reflected voltage? -81.82 kV -18.18 kV 81.82 kV 18.18 kV -81.82 kV -18.18 kV 81.82 kV 18.18 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is 500 kW 750 kW 250 kW 300 kW 500 kW 750 kW 250 kW 300 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 135.3 MWhr 130.2 MWhr 120 MWhr 140 MWhr 135.3 MWhr 130.2 MWhr 120 MWhr 140 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems Out of the following plant categories which is not the base load power plant? Run of river. Pump storage. Nuclear. Diesel. Run of river. Pump storage. Nuclear. Diesel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a unit matrix full matrix null matrix sparse matrix unit matrix full matrix null matrix sparse matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 5 MW 20 MW 15 MW 10 MW 5 MW 20 MW 15 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
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