Power Systems Ferranti effect will not occur in which of the following transmission lines All of these long transmission lines medium transmission lines short transmission lines All of these long transmission lines medium transmission lines short transmission lines 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. 56 %. None of above 28 %. 14 %. 56 %. None of above 28 %. 14 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 800 Ω 200 Ω 400 Ω 160 Ω 800 Ω 200 Ω 400 Ω 160 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is 0 1 -2 -1 0 1 -2 -1 ANSWER DOWNLOAD EXAMIANS APP