Power Systems Which of the following statements is/are true regarding HVDC? There is no skin effect in dc line All of these HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line There is no skin effect in dc line All of these HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ideal plant load cfactor is greater than 1 less than 1 1 0 greater than 1 less than 1 1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 15% 88.2% 11.8% 85% 15% 88.2% 11.8% 85% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an interconnected power system, the most suitable power plant to meet the peak load condition is thermal plant nuclear plant hydro power plant pumped storage plant thermal plant nuclear plant hydro power plant pumped storage plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because both 1 and 2 short circuit currents are greatly out of phase with load currents nether 1 nor 2 short circuit currents are much larger than load currents both 1 and 2 short circuit currents are greatly out of phase with load currents nether 1 nor 2 short circuit currents are much larger than load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? squirrel cage rotor either of these cylindrical rotor salient pole rotor squirrel cage rotor either of these cylindrical rotor salient pole rotor ANSWER DOWNLOAD EXAMIANS APP