Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 1 F 4 F 2 F 0.5 F 1 F 4 F 2 F 0.5 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conversion ratio of breeder reactor are 1. none of above. less than 1. greater than 1. 1. none of above. less than 1. greater than 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? HVDC can utilize earth for its return path All of these There is no skin effect in dc line Corona loss is very much reduced in the dc line HVDC can utilize earth for its return path All of these There is no skin effect in dc line Corona loss is very much reduced in the dc line ANSWER DOWNLOAD EXAMIANS APP
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? 290 kHz 2.9 kHz 29 kHz 29 MHz 290 kHz 2.9 kHz 29 kHz 29 MHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under excited Synchronous phase modifier works as shunt reactor shunt capacitor series capacitor any of the above shunt reactor shunt capacitor series capacitor any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant Francis. None of above. Pelton. Kaplan. Francis. None of above. Pelton. Kaplan. ANSWER DOWNLOAD EXAMIANS APP
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