Synchronous motors naturally operate at a constant speed, and are most often used when an exact and stable speed is required. In this article we explain what a synchronous motor is, with their use as a microwave oven component as an example, how to tell if it has failed, and what to do to fix it.
A synchronous motor is an AC (alternating current) motor identified by two basic components, a stator and a rotor. The stator is the stationary part of the unit, as found in generators and other motors. The rotor is the rotating part of the unit as found in motors, generators, pumps, and alternators. It is similar to an alternator with a rotating field.
Common uses for synchronous motors are clocks, tape players, and microwave oven components. In a microwave oven the synchronous motor drives the turntable. The use of this type of motor ensures a constant smooth rotation of the microwave turntable when the unit is in use.








