Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 2 H 15.9 mH 15.9 H 2 mH 2 H 15.9 mH 15.9 H 2 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents both 1 and 2 nether 1 nor 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents both 1 and 2 nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -10% 6.92% 10% -6.92% -10% 6.92% 10% -6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? Buccholz relays Differential relays both 1 and 2 over current relays Buccholz relays Differential relays both 1 and 2 over current relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect will not occur in which of the following transmission lines medium transmission lines All of these short transmission lines long transmission lines medium transmission lines All of these short transmission lines long transmission lines ANSWER DOWNLOAD EXAMIANS APP
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