Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 0.93 0.882 1.13 1 0.93 0.882 1.13 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because both 1 and 2 nether 1 nor 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents both 1 and 2 nether 1 nor 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of diversity factor is 0 greater than 1 less than 1 1 0 greater than 1 less than 1 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce interference with neighbouring communication lines ferranti effect proximity effect skin effect interference with neighbouring communication lines ferranti effect proximity effect skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge tank is kept very close to the generator spill way turbine pen stock generator spill way turbine pen stock ANSWER DOWNLOAD EXAMIANS APP
Power Systems A lossless power system has to serve a load of 250 MW. There are two generators(G1 and G2) in the system with cost curves C1 and C2 respectively defined as follows: C1 = PG1+0.055P²G1 C2 = 3 PG2 + 0.03 P²G2 Where PG1 and PG2 are the MW injections from generators G1 and G2 respectively. Thus, the minimum cost dispatch will be PG1 = 100 MW and PG2 = 150 MW PG1 = 150 MW and PG2 = 100 MW PG1 = 250 MW and PG2 = 0 MW PG1 = 0 MW and PG2 = 250 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 150 MW and PG2 = 100 MW PG1 = 250 MW and PG2 = 0 MW PG1 = 0 MW and PG2 = 250 MW ANSWER DOWNLOAD EXAMIANS APP
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