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% -6.92% -10% 10% 6.92% -6.92% -10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 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 nether 1 nor 2 both 1 and 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine None of above. Pelton turbine. Kaplan turbine. Francis turbine. None of above. Pelton turbine. Kaplan turbine. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of fuse wire is always expressed in kWh. amperes. ampere-hours. ampere-volts. kWh. amperes. ampere-hours. ampere-volts. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will any of the above decreases increases remains unaffected any of the above decreases increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP