Power Systems The fact that current density is higher at the surface when compared to centre is known as carona proximity effect skin effect All of these carona proximity effect skin effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LLL LL LG LLG LLL LL LG LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on R × I. the lighting voltage. the switch voltage. corona. R × I. the lighting voltage. the switch voltage. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Area under the daily curve divided by 24 gives units generated average load maximum demand maximum load units generated average load maximum demand maximum load 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? 105.2 102.5 95.5 85.5 105.2 102.5 95.5 85.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 14.5° 29° 10.5° 35.5° 14.5° 29° 10.5° 35.5° ANSWER DOWNLOAD EXAMIANS APP
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