The following statements relate to compensating winding ___

Electrical Engineering MCQ Electrical Machines MCQ
1

The following statements relate to compensating winding (CW) and interpole winding (IW) of a dc machine :

  1. CW neutralizes the armature reaction under a pole pitch
  2. IW is connected in series with armature circuit
  3. IW produces mmf in the commutating zone only
  4. CWmmf is directed along the brush axis
  5. Mmf produced by IW is equal to armature mmf From these, the correct statements are

A. 1, 2, 3, 4 and 5
B. 1, 3, 4, 5
C. 2, 3, 4, 5
D. 2, 3, 4

Show Answer

Answer: D

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2

The correct statements regarding compensating winding (CW) and interpole winding (IW) of a DC machine are:

  1. CW neutralizes the armature reaction under a pole pitch.
  2. IW is connected in series with the armature circuit.
  3. IW produces mmf in the commutating zone only.
  4. CW mmf is directed along the brush axis.

Therefore, the correct statements are:

D. 2, 3, 4