Power Systems Oxide film arrestor has which of the following properties? Installed at points of transmission line where daily visit is difficult. Both A and B. Does not require daily charging. It is expensive. Installed at points of transmission line where daily visit is difficult. Both A and B. Does not require daily charging. It is expensive. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce ferranti effect skin effect interference with neighbouring communication lines proximity effect ferranti effect skin effect interference with neighbouring communication lines proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is zero. one - third of minimum. one - third of maximum. two - thirds of maximum. zero. one - third of minimum. one - third of maximum. two - thirds of maximum. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The method of neutral grounding affects the negative sequence network All of these positive sequence network zero sequence network negative sequence network All of these positive sequence network zero sequence network ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LLG LG LL LLL LLG LG LL LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at Farakka. Bakreshwar. Katwa. Durgapur. Farakka. Bakreshwar. Katwa. Durgapur. ANSWER DOWNLOAD EXAMIANS APP
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