Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. 0.018 per Km. None of them. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. 0.018 per Km. None of them. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 45° and 26° 26° and 30° 30° and 26° 30° and 45° 45° and 26° 26° and 30° 30° and 26° 30° and 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 50 Hz 0.48 Hz 0.52 Hz -0.52 Hz 50 Hz 0.48 Hz 0.52 Hz -0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of fuse wire is always expressed in ampere-volts. amperes. ampere-hours. kWh. ampere-volts. amperes. ampere-hours. kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is All of these to absorb the excess. to slow down the neutrons. to increase the energy of the neutrons. All of these to absorb the excess. to slow down the neutrons. to increase the energy of the neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in air blast circuit breaker. minimum oil breakers. bulk oil breakers. all breakers. air blast circuit breaker. minimum oil breakers. bulk oil breakers. all breakers. ANSWER DOWNLOAD EXAMIANS APP
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