Power Systems The rate of rise of re-striking voltage is dependent upon both 1 and 2 inductance of the system only capacitance of the system only resistance of the system only both 1 and 2 inductance of the system only capacitance of the system only resistance of the system only ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is lightly loaded The line is fully loaded The line is heavily loaded The power factor is unity The line is lightly loaded The line is fully loaded The line is heavily loaded The power factor is unity 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? 386 MW 456 MW 478 MW 400 MW 386 MW 456 MW 478 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
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 no load receiving end voltage? 600 kV 320 kv 400 kV 500 kV 600 kV 320 kv 400 kV 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 55.56 MVAr. 61.73 MVAr. 40.5 MVAr. 45.0 MVAr. 55.56 MVAr. 61.73 MVAr. 40.5 MVAr. 45.0 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is lower at the surface of the condutor current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is lower at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
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