Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in star / grounded star. delta / delta. ground star / delta. delta / star. star / grounded star. delta / delta. ground star / delta. delta / star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? False True None of these either 1 or 2 False True None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of communication lines same in both cases None of these power lines communication lines same in both cases None of these power lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 1500 Ω 3000 Ω 2000 Ω 750 Ω 1500 Ω 3000 Ω 2000 Ω 750 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is none of these. motor. transformer and transmission lines. generator. none of these. motor. transformer and transmission lines. generator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect will not occur in which of the following transmission lines medium transmission lines All of these short transmission lines long transmission lines medium transmission lines All of these short transmission lines long transmission lines ANSWER DOWNLOAD EXAMIANS APP