Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 250 A 100 A 2500 A 200 A 250 A 100 A 2500 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a two plant system, the load is connected to plant number 2. The loss coefficients are B11 is non zero,B22 = B12 = 0 B11,B12 are non zero ,B22 = 0 B11,B22 are non zero,B12 = 0 B11,B22,B12 are non zeros B11 is non zero,B22 = B12 = 0 B11,B12 are non zero ,B22 = 0 B11,B22 are non zero,B12 = 0 B11,B22,B12 are non zeros ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 60-70% 20-25% 45-55% 30-40% 60-70% 20-25% 45-55% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 50 MJ 200 MJ 8 MJ 400 MJ 50 MJ 200 MJ 8 MJ 400 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is/are more reliable? Gauss-Siedel (GS) method All of these Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method Gauss-Siedel (GS) method All of these Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines Is = Ir B = C = Z All of these A = D = 1 Is = Ir B = C = Z All of these A = D = 1 ANSWER DOWNLOAD EXAMIANS APP
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