Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? 25 to 35 kV any voltage above 33 kV 31.35 to 34.65 kV 33 to 50 kV 25 to 35 kV any voltage above 33 kV 31.35 to 34.65 kV 33 to 50 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 88.2% 85% 11.8% 15% 88.2% 85% 11.8% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a plant capacity of 200 MW and maximum power demand is 150 MW. If average power generation is 110 MW, then find the load factor and capacity factor respectively? 0.65 and 0.55 0.55 and 0.733 0.733 and 0.55 0.733 and 0.65 0.65 and 0.55 0.55 and 0.733 0.733 and 0.55 0.733 and 0.65 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Equal area criteria is used for either 1 or 2 nether 1 nor 2 absolute stability of the system relative stability of the system either 1 or 2 nether 1 nor 2 absolute stability of the system relative stability of the system ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be 53 MW. 52 MW. 57.5 MW. 51.61 MW. 53 MW. 52 MW. 57.5 MW. 51.61 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is 0.5 1 0.75 0.6 0.5 1 0.75 0.6 ANSWER DOWNLOAD EXAMIANS APP