Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 5. 7. 3. 20. 5. 7. 3. 20. 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? 0.52 Hz 50 Hz 0.48 Hz -0.52 Hz 0.52 Hz 50 Hz 0.48 Hz -0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Graphite is use din nuclear plant as a / an electrode. coolant. fuel. moderator. electrode. coolant. fuel. moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making current is a------------ value? any of the above RMS peak value average any of the above RMS peak value average ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0 leading 0.707 leading 0.5 unity 0 leading 0.707 leading 0.5 unity 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 both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation initial cost is low both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation ANSWER DOWNLOAD EXAMIANS APP