Power Systems When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding? Solid. Peterson coil. Resistance. Reactance. Solid. Peterson coil. Resistance. Reactance. 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? 500 Ω 3000 Ω 2000 Ω 1500 Ω 500 Ω 3000 Ω 2000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is heavily loaded The line is fully loaded The line is lightly loaded The power factor is unity The line is heavily loaded The line is fully loaded The line is lightly loaded The power factor is unity ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer capability of transmission line can be increased by All of these Using bundled conductors Parallel transmission lines Using series capacitance All of these Using bundled conductors Parallel transmission lines Using series capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of diversity factor is less than 1 1 greater than 1 0 less than 1 1 greater than 1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in pressure increases. noise increases, pressure increases, velocity decreases. noise increases. None of these pressure increases. noise increases, pressure increases, velocity decreases. noise increases. None of these ANSWER DOWNLOAD EXAMIANS APP
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