Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are six two three one six two three one ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to arcing period voltage. none of these. transient voltage. normal frequency 50 Hz rms voltage. arcing period voltage. none of these. transient voltage. normal frequency 50 Hz rms voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce interference with neighbouring communication lines ferranti effect skin effect proximity effect interference with neighbouring communication lines ferranti effect skin effect proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 5 + j 7 A -2 - j 1 A 1 + j 4 A 1 + j 2 A 5 + j 7 A -2 - j 1 A 1 + j 4 A 1 + j 2 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation generation excitation control All of these shunt capacitor series capacitor generation excitation control All of these shunt capacitor series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix? 0.75 0.4 0.25 0.5 0.75 0.4 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP