Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of minimum. two - thirds of maximum. one - third of maximum. zero. one - third of minimum. two - thirds of maximum. one - third of maximum. zero. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 0.5 pu 4 pu 0.2 pu 2 pu 0.5 pu 4 pu 0.2 pu 2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 61.73 MVAr. 55.56 MVAr. 40.5 MVAr. 45.0 MVAr. 61.73 MVAr. 55.56 MVAr. 40.5 MVAr. 45.0 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand? 5 cm 15 cm 1 cm 1.5 cm 5 cm 15 cm 1 cm 1.5 cm 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 553×553 554×554 555×555 540×540 553×553 554×554 555×555 540×540 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is lubrication oil pumps. coal handling plant. none of above. conveyors. lubrication oil pumps. coal handling plant. none of above. conveyors. ANSWER DOWNLOAD EXAMIANS APP