Power Systems Length of short transmission line is up to 150 km 40 km 80 km any of the above 150 km 40 km 80 km any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 75% 33.33% 25% 66.66% 75% 33.33% 25% 66.66% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? series capacitor both 1 and 2 shunt reactor shunt capacitor series capacitor both 1 and 2 shunt reactor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 50 ohms 500 ohms 5 ohms 0.5 ohm 50 ohms 500 ohms 5 ohms 0.5 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is sum of admittances connected at bus i which is connected between bus i and bus j with positive sign which is connected between bus i and bus j with negative sign sum of admittances connected at bus j sum of admittances connected at bus i which is connected between bus i and bus j with positive sign which is connected between bus i and bus j with negative sign sum of admittances connected at bus j ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 105.2 95.5 102.5 85.5 105.2 95.5 102.5 85.5 ANSWER DOWNLOAD EXAMIANS APP
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