Power Systems Which of the following statements is/are true regarding HVDC? HVDC can utilize earth for its return path There is no skin effect in dc line All of these Corona loss is very much reduced in the dc line HVDC can utilize earth for its return path There is no skin effect in dc line All of these Corona loss is very much reduced in the dc line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in minimum oil breakers. bulk oil breakers. all breakers. air blast circuit breaker. minimum oil breakers. bulk oil breakers. all breakers. air blast circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 50 kA. 35 kA. 45 kA. 55 kA. 50 kA. 35 kA. 45 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The incremental fuel costs for two generating units G1 and G2 are given by Ic1 = 25 + 0.2 PG1 and Ic2 = 32 + 0.2 PG2, where PG1 and PG2 are real powers generated by the units. The economic allocation for a total load of 250 MW, neglecting transmission loss, is given by PG1 = 125 MW and PG2 = 125 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 142.5 MW and PG2 = 107.5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors are used for EHV transmission lines primarily for reducing the surge impedance of the line copper loss corona loss voltage drop across the line surge impedance of the line copper loss corona loss voltage drop across the line 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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