engineering recuitment GATE IN Test Series 2023-24 Mock Test Electrical Machines Three Phase Induction Motor Power Stages of Induction Motor
A 3 phase induction motor draws 25 A from 460 V 3-phase line at a power factor of 0.85 lagging. The stator copper loss is 1 kW and the rotor copper loss are 500 W. The rotational losses due to windage and friction are 250 W, core loss is 800 W, and stray load loss is 200 W. The efficiency of motor is ___________ (in %)
Enter numerical value using the virtual keypad. Round off where necessary.