Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 20 MW 15 MW 5 MW 10 MW 20 MW 15 MW 5 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? null matrix Unit matrix Y bus matrix Z bus matrix null matrix Unit matrix Y bus matrix Z bus matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 400 MW 478 MW 386 MW 456 MW 400 MW 478 MW 386 MW 456 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for reduce losses less surge impedance more surge impedance proper discharging of lighting surges reduce losses less surge impedance more surge impedance proper discharging of lighting surges ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 10. 15. 50. 25. 10. 15. 50. 25. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce ferranti effect proximity effect skin effect radio interference ferranti effect proximity effect skin effect radio interference ANSWER DOWNLOAD EXAMIANS APP
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