Power Systems For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to V2. V. 1 / V2. 1 / V. V2. V. 1 / V2. 1 / V. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Halves. Increase but does not doubled. Decrease but does not halves. Doubled. Halves. Increase but does not doubled. Decrease but does not halves. Doubled. ANSWER DOWNLOAD EXAMIANS APP
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? 4.68 msec 2.63 msec 9.68 1.47 msec 4.68 msec 2.63 msec 9.68 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona interference decreases power loss decreases All of these charging current increases interference decreases power loss decreases All of these charging current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line corona effect ferranti effect All of these skin effect corona effect ferranti effect All of these skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 4, 0.4 100, 10 4, 10 100, 0.4 4, 0.4 100, 10 4, 10 100, 0.4 ANSWER DOWNLOAD EXAMIANS APP
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