Question

What is the specialty in the repulsion motor starting method?

(a) cage winding is replaced by armature windings

(b) cage winding is replaced by field windings

(c) cage winding is replaced by commutator windings

(d) cage winding is replaced by bearings

This question was posed to me during an interview.

Question is from Types of Motor in chapter Design of Single Phase Induction Motor of Design of Electrical Machines

Answer 1

The correct answer is (c) cage winding is replaced by commutator windings

For explanation: The repulsion motor starting method is one of the methods used in the starting of the single phase induction motor. Here the cage winding is replaced by the commutator windings.