Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Y-Δ connection Δ-Δ connection Y-Y connection Δ-Y connection Y-Δ connection Δ-Δ connection Y-Y connection Δ-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical disruptive voltage is a voltage at which both 1 and 2 corona is just initiated corona is visible with blue or violet colour nether 1 nor 2 both 1 and 2 corona is just initiated corona is visible with blue or violet colour nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CT is connected in ___________________ with the line. across. both A and B. not connected. series. across. both A and B. not connected. series. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0 leading 0.707 leading 0.5 unity 0 leading 0.707 leading 0.5 unity ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants will take long period in erection and installation Nuclear. Hydro Power Plant Thermal. Gas turbine. Nuclear. Hydro Power Plant Thermal. Gas turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.05 0.025 0.25 0.02 0.05 0.025 0.25 0.02 ANSWER DOWNLOAD EXAMIANS APP
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