Power Systems Which of the following represents the transmission line positive sequence reactance 2Xs + Xm Xs +2 Xm Xs - Xm Xm - Xs 2Xs + Xm Xs +2 Xm Xs - Xm Xm - Xs ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 30° and 45° 26° and 30° 30° and 26° 45° and 26° 30° and 45° 26° and 30° 30° and 26° 45° and 26° ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 80% 82% 78% 76% 80% 82% 78% 76% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The daily energy produced in thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station? 50 MW 720 MW 30 MW 72 MW 50 MW 720 MW 30 MW 72 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Thermal stability test. Load cycle tests. All of these. Impulse tests. Thermal stability test. Load cycle tests. All of these. Impulse tests. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 456 MW 386 MW 400 MW 478 MW 456 MW 386 MW 400 MW 478 MW ANSWER DOWNLOAD EXAMIANS APP
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