Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 750 MW 1250 MW 250 MW 500 MW 750 MW 1250 MW 250 MW 500 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 40 Ω 52 Ω 28 Ω 33 Ω 40 Ω 52 Ω 28 Ω 33 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? DC series motor Three phase induction motor DC shunt motor Three phase synchronous motor DC series motor Three phase induction motor DC shunt motor Three phase synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CANDU reactor uses enriched uranium as fuel and ordinary water as moderator and cooler. highly enriched uranium as fuel and water as moderator and coolant. natural uranium as fuel and heavy water as moderator and coolant. only fertile materials. enriched uranium as fuel and ordinary water as moderator and cooler. highly enriched uranium as fuel and water as moderator and coolant. natural uranium as fuel and heavy water as moderator and coolant. only fertile materials. 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? 30° and 45° 26° and 30° 30° and 26° 45° and 26° 30° and 45° 26° and 30° 30° and 26° 45° and 26° ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 10 MJ 500 MJ 50 MJ 5 MJ 10 MJ 500 MJ 50 MJ 5 MJ ANSWER DOWNLOAD EXAMIANS APP