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 18.18 kV 81.82 kV -81.82 kV -18.18 kV 18.18 kV 81.82 kV -81.82 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 95.5 85.5 105.2 102.5 95.5 85.5 105.2 102.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear fission means combination of two light nuclei. graphite. breaking up of nuclear of heavy atoms into nearly equal parts. moderator. combination of two light nuclei. graphite. breaking up of nuclear of heavy atoms into nearly equal parts. moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? positive sequence any of the above zero sequence negative sequence positive sequence any of the above zero sequence negative sequence ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to its length. Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is used in thermal plants All of these Otto cycle Rankine cycle Joule cycle All of these Otto cycle Rankine cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP