Power Systems Skin effect depends on conductivity frequency relative permeability All of these conductivity frequency relative permeability All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 0.125 pu. 0.200 pu. 3.000 pu. 0.075 pu. 0.125 pu. 0.200 pu. 3.000 pu. 0.075 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 200 km operating at frequency of 10 Hz Hz. Find the type of the line medium transmission line any of the above short transmission line long transmission line medium transmission line any of the above short transmission line long transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 500 kV 350 kV 600 kV 400 kV 500 kV 350 kV 600 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in ground star / delta. delta / star. delta / delta. star / grounded star. ground star / delta. delta / star. delta / delta. star / grounded star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers reduces the short circuit current. decrease system stability. improves system stability. increased the short circuit current. reduces the short circuit current. decrease system stability. improves system stability. increased the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
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