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 500 Ω 1500 Ω 2000 Ω 3000 Ω 500 Ω 1500 Ω 2000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²+3x+1 N = 3x²-3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²+3x+1 N = 3x²-3x+1 N = 3x²-6x+1 N = 3x²-2x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lag 0.6 lead 0.8 lead 0.8 lag 0.6 lag 0.6 lead 0.8 lead 0.8 lag ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? All of these auto transformer capacitor voltage transformer distribution transformer All of these auto transformer capacitor voltage transformer distribution transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Boiler. Steam turbine. Super heater. Condenser. Boiler. Steam turbine. Super heater. Condenser. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine any of the above inward radial flow impulsive axial flow any of the above inward radial flow impulsive axial flow ANSWER DOWNLOAD EXAMIANS APP
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