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 2 5 6 8 2 5 6 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For n bus power system size of Y bus matrix is (n-1)×(n-1) (n-2)×(n-2) n×n (n-1)×(n-2) (n-1)×(n-1) (n-2)×(n-2) n×n (n-1)×(n-2) ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Power transformer. Instrument transformer. Current transformer. Potential transformer. Power transformer. Instrument transformer. Current transformer. Potential transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Equal area criterion gives the information regarding absolute stability relative stability stability region swing curves absolute stability relative stability stability region swing curves ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 4, 0.4 4, 10 100, 10 100, 0.4 4, 0.4 4, 10 100, 10 100, 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to raise the water surface of the stream to create an artificial head. None of these increase the acting head on the water wheel. reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. None of these increase the acting head on the water wheel. reduce the effect of water hammer. ANSWER DOWNLOAD EXAMIANS APP
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