CATEGORIES: synchronous and asynchronousFor a synchronous motor, the ROTOR TURNS at the same rate as the stator’s ROTATING magnetic field, which is referred to as the synchronous speed.In an asynchronous motor (also referred to as an induction motor), the rotor turns at a speed slower than the stator’s rotating magnetic field.Induction motor can be classified as squirrel CAGE and slip ring induction motor. Classification of DC machine (generator/motor) is given below: