Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 100 : 5 / √3. 120 : 6 / √3. 200 : 5 / √3. 150 : 4 / √3. 100 : 5 / √3. 120 : 6 / √3. 200 : 5 / √3. 150 : 4 / √3. 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 Kaplan. Pelton. None of above. Francis. Kaplan. Pelton. None of above. Francis. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to connect instruments on the LT side. none of these. improve the power factor of the transmission. reduce losses in a transmission line. connect instruments on the LT side. none of these. improve the power factor of the transmission. reduce losses in a transmission line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bonding is done at the both ends of the cable to reduce the None of these sheath loss copper loss iron loss None of these sheath loss copper loss iron loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is 20. 5. 10. 55.1. 20. 5. 10. 55.1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of All of these medium transmission lines only short transmission lines only long transmission lines only All of these medium transmission lines only short transmission lines only long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS