Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 17.32 kV/phase 34.64 kV/phase 82.15 kV/phase 41.075 kV/phase 17.32 kV/phase 34.64 kV/phase 82.15 kV/phase 41.075 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LLL LLG LL LG LLL LLG LL LG ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plat work Otto cycle. Carnot cycle. Bell - Coleman cycle. Rankine cycle. Otto cycle. Carnot cycle. Bell - Coleman cycle. Rankine cycle. 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 250 kW 750 kW 300 kW 500 kW 250 kW 750 kW 300 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona interference decreases power loss decreases charging current increases All of these interference decreases power loss decreases charging current increases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as long transmission lines any of the above medium transmission lines short transmission lines long transmission lines any of the above medium transmission lines short transmission lines ANSWER DOWNLOAD EXAMIANS APP
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