Power Systems Corona loss is ----------------- on hilly areas than as plain areas. remain same less None of these more remain same less None of these more ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? 0.56 -0.92 0.92 -0.56 0.56 -0.92 0.92 -0.56 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 1 pu 1.098 pu 0.98 pu 0.098 pu 1 pu 1.098 pu 0.98 pu 0.098 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following buses is/are not PV buses? both 1 and 2 fixed shunt capacitor buses voltage control buses reactive power support buses both 1 and 2 fixed shunt capacitor buses voltage control buses reactive power support buses ANSWER DOWNLOAD EXAMIANS APP
Power Systems The incremental fuel costs for two generating units G1 and G2 are given by Ic1 = 25 + 0.2 PG1 and Ic2 = 32 + 0.2 PG2, where PG1 and PG2 are real powers generated by the units. The economic allocation for a total load of 250 MW, neglecting transmission loss, is given by PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 100 MW and PG2 = 150 MW 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 reflected voltage? -18.18 kV 81.82 kV -81.82 kV 18.18 kV -18.18 kV 81.82 kV -81.82 kV 18.18 kV ANSWER DOWNLOAD EXAMIANS APP
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