Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 0.4 4, 10 4, 0.4 100, 10 100, 0.4 4, 10 4, 0.4 100, 10 ANSWER DOWNLOAD EXAMIANS APP
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 × 10³ 2 × 10-3 8 × 10³ 7.95 × 10-3 7.95 × 10³ 2 × 10-3 8 × 10³ 7.95 × 10-3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal plant most of the energy is wasted in turbines ESP condenser boiler turbines ESP condenser boiler ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to normal frequency 50 Hz rms voltage. none of these. arcing period voltage. transient voltage. normal frequency 50 Hz rms voltage. none of these. arcing period voltage. transient voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect depends on All of these relative permeability frequency distance between the conductors All of these relative permeability frequency distance between the conductors ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor current density is more at the centre of the condutor current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor current density is more at the centre of the condutor current density is more at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
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