Power Systems The conductor carries more current on surface as compared to core. This is called as skin effect All of these unsymmetrical fault corona effect skin effect All of these unsymmetrical fault corona effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 6 2 5 8 6 2 5 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is motor. none of these. generator. transformer and transmission lines. motor. none of these. generator. transformer and transmission lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.182 mH 1.043 mH 1.232 mH 1.093 mH 1.182 mH 1.043 mH 1.232 mH 1.093 mH 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? 750 Ω 3000 Ω 2000 Ω 1500 Ω 750 Ω 3000 Ω 2000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for measuring of safety voltage discharging residual energies protection of equipment from ground faults All of these measuring of safety voltage discharging residual energies protection of equipment from ground faults All of these ANSWER DOWNLOAD EXAMIANS APP
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