Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of maximum. two - thirds of maximum. zero. one - third of minimum. one - third of maximum. two - thirds of maximum. zero. one - third of minimum. 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 2.90 kW 19.60 kW 4.45 kW 9.81 kW 2.90 kW 19.60 kW 4.45 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation both 1 and 2 initial cost is low smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation both 1 and 2 initial cost is low ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as skin effect corona effect unsymmetrical fault All of these skin effect corona effect unsymmetrical fault All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A moderator material should have None of these may be any of the above. small atomic mass. large atomic mass. None of these may be any of the above. small atomic mass. large atomic mass. ANSWER DOWNLOAD EXAMIANS APP
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