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? 164 × 164 165 × 165 162 × 162 163 × 163 164 × 164 165 × 165 162 × 162 163 × 163 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Copper. Silver. Aluminium. Carbon. Copper. Silver. Aluminium. Carbon. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Over current relay Differential relay Over fluxing relay Buchholz relay Over current relay Differential relay Over fluxing relay Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? -0.52 Hz 0.48 Hz 0.52 Hz 50 Hz -0.52 Hz 0.48 Hz 0.52 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 8.06 Ω / phase. 6.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 8.06 Ω / phase. 6.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in the increasing order. the decreasing order. neither increasing nor decreasing order. None of these the increasing order. the decreasing order. neither increasing nor decreasing order. None of these ANSWER DOWNLOAD EXAMIANS APP
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