Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have zero power factor unity power factor 0.707 lagging power factor 0.707 leading power factor zero power factor unity power factor 0.707 lagging power factor 0.707 leading power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are gas turbine. thermal. both A and B. hydro. gas turbine. thermal. both A and B. hydro. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by Vl²*√(C/L) Vl²/Zs Vph²/Zs both 1 and 2 Vl²*√(C/L) Vl²/Zs Vph²/Zs both 1 and 2 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%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 26° and 30° 30° and 45° 30° and 26° 45° and 26° 26° and 30° 30° and 45° 30° and 26° 45° and 26° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines generator ratings. reactive powers. generated voltages. turbine inputs. generator ratings. reactive powers. generated voltages. turbine inputs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Boiler. Condenser. Super heater. Steam turbine. Boiler. Condenser. Super heater. Steam turbine. ANSWER DOWNLOAD EXAMIANS APP