Power Systems The insulator thickness on the conductor, in cables depends upon power factor current voltage reactive power power factor current voltage reactive power 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? 456 MW 386 MW 400 MW 478 MW 456 MW 386 MW 400 MW 478 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Phase shift occurs due to which of the following components? inductance conductance both 1 and 2 capacitance inductance conductance both 1 and 2 capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of minimum. one - third of maximum. two - thirds of maximum. zero. one - third of minimum. one - third of maximum. two - thirds of maximum. zero. ANSWER DOWNLOAD EXAMIANS APP
Power Systems How to find the total number of strands (N) when number of layers (x) are given Total number of strands N = 3x² - 3x - 1 Total number of strands N = 3x² + 3x + 1 Total number of strands N = 3x² + 3x - 1 Total number of strands N = 3x² - 3x + 1 Total number of strands N = 3x² - 3x - 1 Total number of strands N = 3x² + 3x + 1 Total number of strands N = 3x² + 3x - 1 Total number of strands N = 3x² - 3x + 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 3.75 pu 4.28 pu 7.25 pu 2.5 pu 3.75 pu 4.28 pu 7.25 pu 2.5 pu ANSWER DOWNLOAD EXAMIANS APP
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