Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 1 1.13 0.882 0.93 1 1.13 0.882 0.93 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which None of these corona is just initiated corona is visible with blue or violet colour both 1 and 2 None of these corona is just initiated corona is visible with blue or violet colour both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 0.25 1 0.5 0.75 0.25 1 0.5 0.75 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 350 kV 400 kV 500 kV 600 kV 350 kV 400 kV 500 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j3 pu j1 pu j6 pu j9 pu j3 pu j1 pu j6 pu j9 pu 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? 478 MW 386 MW 456 MW 400 MW 478 MW 386 MW 456 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
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