In a dc machine, which of the following statements is true?
A. Compensating winding is used for neutralizing armature reaction while interpole winding is used for producing residual flux.
B. Compensating winding is used for neutralizing armature reaction while interpole winding is used for improving commutation.
C. Compensating winding is used for improving commutation while interpole winding is used for neutralizing armature reaction.
D. Compensating winding is used for improving commutation while interpole winding is used for producing residual flux.
Answer:B
In a dc machine, which of the following statements is true?
A. Compensating winding is used for neutralizing armature reaction while interpole winding is used for producing residual flux. B. Compensating winding is used for neutralizing armature reaction while interpole winding is used for improving commutation. C. Compensating winding is used for improving commutation while interpole winding is used for neutralizing armature reaction. D. Compensating winding is used for improving commutation while interpole winding is used for producing residual flux.