engineering recuitment MAHATRANSCO AE Electrical Mock Test Electrical Machines Three Phase Induction Motor Rotor Cu Losses
A three phase, 10 kW, 4-pole, 50 Hz induction motor has full load speed of 1440 rpm. The friction and windage loss of the motor at this speed is 500 W. Calculate the rotor copper loss.
1
327.5 W
2
255 W
3
395 W
4
437.5 W
5
400 W