Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in ground star / delta. star / grounded star. delta / delta. delta / star. ground star / delta. star / grounded star. delta / delta. delta / star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.6 lag and 0.8 lead 0.6 lag and 0.6 lead 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.8 lead 0.6 lag and 0.6 lead 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Equal area criterion gives the information regarding absolute stability relative stability stability region swing curves absolute stability relative stability stability region swing curves ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? None of these Both power and telecommunication lines either 1 or 2 Power line None of these Both power and telecommunication lines either 1 or 2 Power line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.25 pu 0.45 pu 0.15 pu 0.05 pu 0.25 pu 0.45 pu 0.15 pu 0.05 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? positive sequence any of the above negative sequence zero sequence positive sequence any of the above negative sequence zero sequence ANSWER DOWNLOAD EXAMIANS APP