Induction Motor

Step 1: Calculate air-gap power.


Step 2: Use slip to calculate rotor copper loss.
Rotor copper loss is given by

Step 3: Substitute given values.

Step 4: Include rounding and practical operating considerations.

Step 5: Conclusion.
The rotor copper loss of the induction motor is

Step 1: Calculate the synchronous speed of the motor.
Synchronous speed is given by


Step 2: Calculate the slip speed.


Step 3: Calculate the slip of the motor.

Step 4: Calculate the rotor current frequency.
Rotor current frequency is given by


Step 5: Conclusion.
The slip speed and rotor current frequency are