Power Systems A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix? 162 × 162 165 × 165 163 × 163 164 × 164 162 × 162 165 × 165 163 × 163 164 × 164 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which None of these corona is visible with blue or violet colour corona is just initiated both 1 and 2 None of these corona is visible with blue or violet colour corona is just initiated both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 36 kV 45 kV 32 kV 40 kV 36 kV 45 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a full matrix unit matrix sparse matrix null matrix full matrix unit matrix sparse matrix null matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for protection of a transformer against all external faults protection of a transformer against all internal faults nether 1 nor 2 both 1 and 2 protection of a transformer against all external faults protection of a transformer against all internal faults nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 478 MW 456 MW 386 MW 400 MW 478 MW 456 MW 386 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
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