Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt reactor at receiving end All of these shunt capacitor at receiving end shunt resistance at receiving end shunt reactor at receiving end All of these shunt capacitor at receiving end shunt resistance at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over currents due to lightning stroke. power frequency of over voltages. over voltages due to indirect lightning stroke. direct strokes of lightning. over currents due to lightning stroke. power frequency of over voltages. over voltages due to indirect lightning stroke. direct strokes of lightning. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a regenerative cycle, feed water is heated by drained steam from turbine. heaters. exhaust gas. all of above. drained steam from turbine. heaters. exhaust gas. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 10 MW 5 MW 9 MW 18 MW 10 MW 5 MW 9 MW 18 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 1.098 pu 0.98 pu 0.098 pu 1 pu 1.098 pu 0.98 pu 0.098 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS