0.02

0.03

0.04

0.05

Equal to supply frequency

3 times less than supply frequency

3 times more than supply frequency

Root(3) times less than supply frequency

Direct connection from stator

Due to back emf produced in stator

Direct connection to rotor from supply

By the transformer action of stator and rotor

Cascade operation

Changing applied voltage

Changing applied frequency

Changing the number of poles

Copper loss

Friction loss

Hysteresis loss

Eddy current loss