Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are three two six one three two six one 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? 5 pu 5.353 pu 7 pu 3.535 pu 5 pu 5.353 pu 7 pu 3.535 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? Nominal ∏ nether 1 nor 2 Nominal T either 1 or 2 Nominal ∏ nether 1 nor 2 Nominal T either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? increase power factor increase string efficiency All of these unequal ice loading increase power factor increase string efficiency All of these unequal ice loading 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? 30.6 Kv 100 kV 36. 36 kV 18.18 kV 30.6 Kv 100 kV 36. 36 kV 18.18 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW? P1 = 80 MW, P2 = 120 MW P1 = 60 MW, P2 = 140 MW P1 = 100 MW, P2 = 100 MW P1 = 120 MW, P2 = 80 MW P1 = 80 MW, P2 = 120 MW P1 = 60 MW, P2 = 140 MW P1 = 100 MW, P2 = 100 MW P1 = 120 MW, P2 = 80 MW ANSWER DOWNLOAD EXAMIANS APP
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