Power Systems The insulation of the modern EHV lines is designed based on corona. the switch voltage. R × I. the lighting voltage. corona. the switch voltage. R × I. the lighting voltage. 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 400 kV 500 kV 350 kV 600 kV 400 kV 500 kV 350 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. None of above 56 %. 14 %. 28 %. None of above 56 %. 14 %. 28 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect can be compensated by which of the following shunt reactor shunt capacitor both 1 and 2 series capacitor shunt reactor shunt capacitor both 1 and 2 series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under excited Synchronous phase modifier works as series capacitor any of the above shunt reactor shunt capacitor series capacitor any of the above shunt reactor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is leading. lagging. zero. unity. leading. lagging. zero. unity. ANSWER DOWNLOAD EXAMIANS APP
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