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? 2000 Ω 3000 Ω 1500 Ω 500 Ω 2000 Ω 3000 Ω 1500 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following is a medium and low head turbines Pelton and Kaplan turbines. Kaplan and Francis turbines. None of above. Francis and Kaplan turbines. Pelton and Kaplan turbines. Kaplan and Francis turbines. None of above. Francis and Kaplan turbines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The term self GMD is used to calculate both 1 and 2 inductance resistance capacitance both 1 and 2 inductance resistance capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as unsymmetrical fault skin effect All of these corona effect unsymmetrical fault skin effect All of these corona effect 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 = 3x²-2x+1 N = 3x²-3x+1 N = 3x²-6x+1 N = 3x²+3x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²-6x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Efficiency of thermal power plant can be taken as product of efficiencies of all stages. efficiency of thermal cycle. turbine efficiency. generator efficiency. product of efficiencies of all stages. efficiency of thermal cycle. turbine efficiency. generator efficiency. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS