Power Systems When is the ferranti effect on long overhead lines experienced? The line is fully loaded The line is lightly loaded The line is heavily loaded The power factor is unity The line is fully loaded The line is lightly loaded The line is heavily loaded The power factor is unity ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 290 kHz 29 MHz 29 kHz 2.9 kHz 290 kHz 29 MHz 29 kHz 2.9 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as carona proximity effect skin effect All of these carona proximity effect skin effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the conductor diameter decreases, inductance of the line, decreases remains unaffected None of these increases decreases remains unaffected None of these increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LLG LG LL LLL LLG LG LL LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a two plant system, the load is connected to plant number 2. The loss coefficients are B11,B22,B12 are non zeros B11,B22 are non zero,B12 = 0 B11,B12 are non zero ,B22 = 0 B11 is non zero,B22 = B12 = 0 B11,B22,B12 are non zeros B11,B22 are non zero,B12 = 0 B11,B12 are non zero ,B22 = 0 B11 is non zero,B22 = B12 = 0 ANSWER DOWNLOAD EXAMIANS APP
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