Power Systems High capacity generators and motors are of star connected with grounding network any of the above star connected network delta connected network star connected with grounding network any of the above star connected network delta connected network ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 20 10 8 4 20 10 8 4 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 555×555 540×540 553×553 554×554 555×555 540×540 553×553 554×554 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is generator. none of these. motor. transformer and transmission lines. generator. none of these. motor. transformer and transmission lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20060 J. 25060 J. 20160 J. 23060 J. 20060 J. 25060 J. 20160 J. 23060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 120 : 6 / √3. 150 : 4 / √3. 200 : 5 / √3. 100 : 5 / √3. 120 : 6 / √3. 150 : 4 / √3. 200 : 5 / √3. 100 : 5 / √3. ANSWER DOWNLOAD EXAMIANS APP