Power Systems On a power system network the load is increasing represents the value of impedance decrease. none of above. increase. remains constant. decrease. none of above. increase. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to reduce the tension All of these increase the sag reduce the vibrations at the point of support reduce the tension All of these increase the sag reduce the vibrations at the point of support ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the conductor diameter decreases, inductance of the line, remains unaffected None of these decreases increases remains unaffected None of these decreases increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the length of the transmission line, the charging current decreases None of these increases remains unaffected decreases None of these increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 35° 60° 30° 45° 35° 60° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
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