1.

What are the types of AC three phase motors? 

Answer»

Mainly there are two types. 

Synchronous motors. 

a. Plain synchronous motors.

b. Auto synchronous motors. 

A-synchronous motors. 

a. Induction motors. 

1. Single phase motors 

• Shaded pole motor. 

• Capacitor start capacitors run motor. 

• Capacitor start induction’s run motor. 

• Split face motor. 

2. Three phase motors. 

• 3φ single squirrel cage motor. 

• 3φ double squirrel cage motor. 

• Squirrel deep bar induction motor. 

• Slipring induction motor. 

b. Commutator motors. 

1. Single phase commutator motors. 

• Plain repulsion motor. 

• Repulsion start induction’s run motor. 

• Repulsion induction motor. 

• Series motor or universal motor. 

2. 3φ commutator motors. 

• 3φ series motor 

• Charge motor. 

• Compensated motor. 



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