Power Systems Which of following materials can be used as coolant CO2. Heavy water. Helium. Any of above. CO2. Heavy water. Helium. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 0.48 Hz -0.52 Hz 0.52 Hz 50 Hz 0.48 Hz -0.52 Hz 0.52 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Potential transformer. Power transformer. Current transformer. Instrument transformer. Potential transformer. Power transformer. Current transformer. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation both 1 and 2 initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Uses of diesel power stations All of these emergency plants. standby plants. peak load plant. All of these emergency plants. standby plants. peak load plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A network containing 50 buses in which 10 are the voltage control buses, 6 are the generator buses. Find the size of the Jacobian matrix? 33*33 34*34 83*83 84*84 33*33 34*34 83*83 84*84 ANSWER DOWNLOAD EXAMIANS APP