Power Systems Fault calculations using computer are usually done by None of these Y bus method either 1 or 2 Z bus method None of these Y bus method either 1 or 2 Z bus method ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is 0.433∠ 80° 0.725∠ 80° 0.371∠ -100° 0.325∠ -100° 0.433∠ 80° 0.725∠ 80° 0.371∠ -100° 0.325∠ -100° ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 1000 Ω 500 Ω 250 Ω 25 Ω 1000 Ω 500 Ω 250 Ω 25 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.35. 1.0. 0.75. 0.99. 1.35. 1.0. 0.75. 0.99. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Direct conversion of heat energy into electrical energy is possible through Both A and C. MHD generator. Thermal converters. Fuel or solar cell. Both A and C. MHD generator. Thermal converters. Fuel or solar cell. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are All of these Power transfer capability of the transmission line is increased Transmission line losses are reduced Area of cross section and volume of the conductor is reduced All of these Power transfer capability of the transmission line is increased Transmission line losses are reduced Area of cross section and volume of the conductor is reduced ANSWER DOWNLOAD EXAMIANS APP
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