Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 50 ohms 0.5 ohm 500 ohms 5 ohms 50 ohms 0.5 ohm 500 ohms 5 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the correct expression for the electrical power developed by ( 0.763 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine Kaplan turbine. Francis turbine. None of above. Pelton turbine. Kaplan turbine. Francis turbine. None of above. Pelton turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is 540×540 554×554 553×553 555×555 540×540 554×554 553×553 555×555 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1.25 1.13 1 0.89 1.25 1.13 1 0.89 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by decreasing the supply frequency increasing the distance between the conductor increasing the radius of the conductor All of these decreasing the supply frequency increasing the distance between the conductor increasing the radius of the conductor All of these ANSWER DOWNLOAD EXAMIANS APP
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