Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 2 6 8 5 2 6 8 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of CB is in terms of current. voltage. VAR. volt - ampere. current. voltage. VAR. volt - ampere. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.2 pu 5 pu 1 pu 0.25 pu 0.2 pu 5 pu 1 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 3000 Ω 1500 Ω 2000 Ω 500 Ω 3000 Ω 1500 Ω 2000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? Kaplan Pelton Francis None of these Kaplan Pelton Francis None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 10 MW 9 MW 18 MW 5 MW 10 MW 9 MW 18 MW 5 MW ANSWER DOWNLOAD EXAMIANS APP