Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 0.125 pu. 0.075 pu. 0.200 pu. 3.000 pu. 0.125 pu. 0.075 pu. 0.200 pu. 3.000 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 500 kV 350 kV 400 kV 600 kV 500 kV 350 kV 400 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? both 1 and 2 faults within a generator through faults faults within a transformer both 1 and 2 faults within a generator through faults faults within a transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have unity power factor zero power factor 0.707 lagging power factor 0.707 leading power factor unity power factor zero power factor 0.707 lagging power factor 0.707 leading power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false In a nuclear reactor, multiplication factor is kept almost equal to one. Nuclear power plants are used as peak load plants only. In nuclear power plants, chain reaction is controlled by cadmium rods. A thermal reactor needs a moderator material. In a nuclear reactor, multiplication factor is kept almost equal to one. Nuclear power plants are used as peak load plants only. In nuclear power plants, chain reaction is controlled by cadmium rods. A thermal reactor needs a moderator material. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reheat cycle in thermal power plant is used to utilize heat of flue gases. improve condenser performance. increase thermal efficiency. reduce loss of heat. utilize heat of flue gases. improve condenser performance. increase thermal efficiency. reduce loss of heat. ANSWER DOWNLOAD EXAMIANS APP
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