The slip ring motors usually have “Phase-Wound” rotor. This type of rotor is provided with a 3-phase, double-layer, distributed winding consisting of coils used in alternators. The rotor core is made up of steel laminations which has slots to accommodate formed 3-single phase windings.
Introduction
We have seen the construction, operation, starting, speed control & classes of squirrel cage induction motors. In this article, we will discuss on slip ring induction motors. As discussed earlier, a slip ring induction motor is an asynchronous motor, as the rotor never runs in synchronous speed with the stator poles. Lets understand the construction and operation of slip ring induction motor.
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