Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 250 A 2500 A 200 A 100 A 250 A 2500 A 200 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Uses of diesel power stations All of these emergency plants. peak load plant. standby plants. All of these emergency plants. peak load plant. standby plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 3.535 pu 7 pu 5.353 pu 5 pu 3.535 pu 7 pu 5.353 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for leading power factor unity power factor lagging power factor All of these leading power factor unity power factor lagging power factor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend Working head. Nature of load. Speed. All of above. Working head. Nature of load. Speed. All of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? Bus impedance matrix is a full matrix nether 1 nor 2 Bus admittance matrix is a sparse matrix both 1 and 2 Bus impedance matrix is a full matrix nether 1 nor 2 Bus admittance matrix is a sparse matrix both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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