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 100 A 200 A 2500 A 250 A 100 A 200 A 2500 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Non-commercial sources of energy are fossil fuel, hydro power and nuclear power. solar, wind and biomass. wood, animal wastes and agricultural wastes. None of these fossil fuel, hydro power and nuclear power. solar, wind and biomass. wood, animal wastes and agricultural wastes. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 9.81 kW 4.45 kW 2.90 kW 19.60 kW 9.81 kW 4.45 kW 2.90 kW 19.60 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is much higher than with unsectional bus bar. much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation generation excitation control series capacitor All of these shunt capacitor generation excitation control series capacitor All of these shunt capacitor ANSWER DOWNLOAD EXAMIANS APP