Power Systems For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians? 7.95 × 10-3 2 × 10-3 8 × 10³ 7.95 × 10³ 7.95 × 10-3 2 × 10-3 8 × 10³ 7.95 × 10³ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 2d d 5d 3d 2d d 5d 3d ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5 pu 5.353 pu 7 pu 3.535 pu 5 pu 5.353 pu 7 pu 3.535 pu 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? 2.9 kHz 29 kHz 29 MHz 290 kHz 2.9 kHz 29 kHz 29 MHz 290 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 5 MJ 500 MJ 50 MJ 10 MJ 5 MJ 500 MJ 50 MJ 10 MJ 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
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