Power Systems Equal area criteria is used for relative stability of the system nether 1 nor 2 absolute stability of the system either 1 or 2 relative stability of the system nether 1 nor 2 absolute stability of the system either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to connect instruments on the LT side. reduce losses in a transmission line. none of these. improve the power factor of the transmission. connect instruments on the LT side. reduce losses in a transmission line. none of these. improve the power factor of the transmission. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is diesel power. hydroelectric. steam power. nuclear. diesel power. hydroelectric. steam power. nuclear. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 41.075 kV/phase 17.32 kV/phase 82.15 kV/phase 34.64 kV/phase 41.075 kV/phase 17.32 kV/phase 82.15 kV/phase 34.64 kV/phase 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? -0.52 Hz 50 Hz 0.48 Hz 0.52 Hz -0.52 Hz 50 Hz 0.48 Hz 0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are Non flammable High dielectric strength All of these High thermal conductivity Non flammable High dielectric strength All of these High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP