Power Systems The insulation of the modern EHV lines is designed based on the lighting voltage. corona. the switch voltage. R × I. the lighting voltage. corona. the switch voltage. R × I. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to none of these. reduce losses in a transmission line. connect instruments on the LT side. improve the power factor of the transmission. none of these. reduce losses in a transmission line. connect instruments on the LT side. improve the power factor of the transmission. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines All of these A = D = 1 B = C = Z Is = Ir All of these A = D = 1 B = C = Z Is = Ir ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is 0 1 -1 -2 0 1 -1 -2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is 3×IR0 × Xn IR0 × Xn both 1 and 3 IN × Xn 3×IR0 × Xn IR0 × Xn both 1 and 3 IN × Xn ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand? 1 cm 15 cm 5 cm 1.5 cm 1 cm 15 cm 5 cm 1.5 cm ANSWER DOWNLOAD EXAMIANS APP
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