Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 1.47 msec 9.68 2.63 msec 4.68 msec 1.47 msec 9.68 2.63 msec 4.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Merze price current scheme protection is used in transformer. both A and B. alternator. bus bars. transformer. both A and B. alternator. bus bars. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is G-S method N-R method All of these Decoupled method G-S method N-R method All of these Decoupled method ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near reservoir. turbine. tail race. dam. reservoir. turbine. tail race. dam. ANSWER DOWNLOAD EXAMIANS APP
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 transmitted voltage? 100 kV 36. 36 kV 18.18 kV 30.6 Kv 100 kV 36. 36 kV 18.18 kV 30.6 Kv ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which corona is just initiated both 1 and 2 None of these corona is visible with blue or violet colour corona is just initiated both 1 and 2 None of these corona is visible with blue or violet colour ANSWER DOWNLOAD EXAMIANS APP