Power Systems If a fault occurs on any feeder, the fault current is much higher than with unsectional bus bar. equal to unsectional bus bar. much lower than with unsectional bus bar. none of these. much higher than with unsectional bus bar. equal to unsectional bus bar. much lower than with unsectional bus bar. none of these. 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 0.725∠ 80° 0.325∠ -100° 0.433∠ 80° 0.371∠ -100° 0.725∠ 80° 0.325∠ -100° 0.433∠ 80° 0.371∠ -100° ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 1500 Ω 3000 Ω 500 Ω 2000 Ω 1500 Ω 3000 Ω 500 Ω 2000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 1 pu 0.4 pu 0.5 pu 0.8 pu 1 pu 0.4 pu 0.5 pu 0.8 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is not base load power plant Nuclear. Run water. Diesel. Pump storage. Nuclear. Run water. Diesel. Pump storage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant None of above. Pelton. Francis. Kaplan. None of above. Pelton. Francis. Kaplan. ANSWER DOWNLOAD EXAMIANS APP
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