Advantages of poly phase induction motor
A 3 phase induction motor is an electromechanical device that converts electrical energy into mechanical energy that works based on the Electromagnetic induction principle.
Advantages:
- It has simple and rugged construction.
- It is relatively cheap.
- It has self-starting torque.
- It requires less maintenance.
- It has high efficiency and reasonably good power factor.
- Its speed control is easy by using semiconductor devices.
Disadvantages:
- Its starting torque is inferior to dc shunt motor.
- Speed decrease with increase in load.
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