The 3-phase induction motors are of three types depending upon the type of rotor they employ namely
(i) Squirrel cage rotor
(ii) Wound rotor or slip-ring
(iii) Double squirrel cage rotor induction motors. The principle of operation is same for all types of induction motors.
(i) Squirrel cage rotor
(ii) Wound rotor or slip-ring
(iii) Double squirrel cage rotor induction motors. The principle of operation is same for all types of induction motors.