Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 29 MHz 290 kHz 29 kHz 2.9 kHz 29 MHz 290 kHz 29 kHz 2.9 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of diesel power plant. less than that of nuclear power plant. is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of diesel power plant. less than that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are solar, wind, biomass. none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on lightning voltage. RI. switching voltage. corona. lightning voltage. RI. switching voltage. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 104.8 kA. 35 kA. 1200 A. 3600 A. 104.8 kA. 35 kA. 1200 A. 3600 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? salient pole rotor squirrel cage rotor either of these cylindrical rotor salient pole rotor squirrel cage rotor either of these cylindrical rotor ANSWER DOWNLOAD EXAMIANS APP