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 × 162 163 × 163 165 × 165 164 × 164 162 × 162 163 × 163 165 × 165 164 × 164 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 32 kV 36 kV 45 kV 40 kV 32 kV 36 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on corona. RI. switching voltage. lightning voltage. corona. RI. switching voltage. lightning voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Carbon. Silver. Copper. Aluminium. Carbon. Silver. Copper. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for nether 1 nor 2 both 1 and 2 protection of a transformer against all internal faults protection of a transformer against all external faults nether 1 nor 2 both 1 and 2 protection of a transformer against all internal faults protection of a transformer against all external faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 350 Amp. 200 Amp. 250 Amp. 300 Amp. 350 Amp. 200 Amp. 250 Amp. 300 Amp. ANSWER DOWNLOAD EXAMIANS APP
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