engineering recuitment GATE EE 2023-24 Test Series Electrical Machines Three Phase Induction Motor Power Stages of Induction Motor
A 3-phase, 6 pole induction motor is rated 400 Hz, 150 V, 10 hp, 3% slip at rated power output. The winding and friction loss is 200 W at rated speed. With the motor operating at rated voltage, frequency, slip and output power which of the following is/are true?
1
The frequency of the rotor current is 1.5 Hz
2
The airgap power developed is 7896.9 W
3
The rotor cu losses are 236.9 W
4
The output torque is 9.18 N-m