How many types of AC motors are there

Brodally classifying AC motors are of two types:

  1. Synchronous motors: Synchronous motors are those motors in which* the rotation of the shaft is synchronized with the frequency of the supply current
  2. Asynchronous motors: These are the electrical motors whose rotor rotates at the speed lesser than the synchronous speed.

Also see:

  1. Synchronous Motor MCQ
  2. Induction Motors MCQs

The chart below displays different types of AC Motors that are used in industry.

Photo credits: Lesson in Electric Circuits AC Volume Tony R Kuphaldt

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