The windings of a three-phase alternator are separated by

By Aina Parasher|Updated : July 6th, 2022

In a three-phase alternator, the three windings are separated by _______ degrees a part.

  1. 270° 
  2. 90°
  3. 180°
  4. 120°.

Answer: D. 120°

The windings of a three-phase alternator are separated by 120°.

Solution

The windings of a three-phase alternator are separated by 120° in space. And the number of turns on each phase are same. A schematic diagram of a stator of three-phase windings is as shown below.

So, a three-phase EMF is induced in three windings of the alternator which is separated in time by 120°.

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