Power Systems Critical disruptive voltage is a voltage at which corona is visible with blue or violet colour both 1 and 2 nether 1 nor 2 corona is just initiated corona is visible with blue or violet colour both 1 and 2 nether 1 nor 2 corona is just initiated 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? 456 MW 478 MW 400 MW 386 MW 456 MW 478 MW 400 MW 386 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 200 - 205 mm. 300 mm. 20 - 25 mm. 40 mm. 200 - 205 mm. 300 mm. 20 - 25 mm. 40 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant the operating cost of the steam plant become optimum All of these chances of the tripping of the system decrease load factor of the steam plant is increased the operating cost of the steam plant become optimum All of these chances of the tripping of the system decrease load factor of the steam plant is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 7th harmonic current. 2nd harmonic current. 3rd harmonic current. 5th harmonic current. 7th harmonic current. 2nd harmonic current. 3rd harmonic current. 5th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? pumped storage hydro power plant gas based thermal power plant coal based thermal power plant nuclear plant pumped storage hydro power plant gas based thermal power plant coal based thermal power plant nuclear plant ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS