Power Systems Bonding is done at the both ends of the cable to reduce the copper loss sheath loss iron loss None of these copper loss sheath loss iron loss None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors are used for EHV transmission lines primarily for reducing the surge impedance of the line corona loss copper loss voltage drop across the line surge impedance of the line corona loss copper loss voltage drop across the line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is true? Corona loss increases with increase in conductor size and increase in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and decrease in supply frequency increase in conductor size and increase in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and decrease in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1.13 1.25 1 0.89 1.13 1.25 1 0.89 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 34.64 kV/phase 82.15 kV/phase 41.075 kV/phase 17.32 kV/phase 34.64 kV/phase 82.15 kV/phase 41.075 kV/phase 17.32 kV/phase ANSWER DOWNLOAD EXAMIANS APP
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