For improvement of commutation in ac series motors shunted commutating poles are ___

For improvement of commutation in ac series motors shunted commutating poles are commonly used and commutating pole windings are shunted by a

A. non-inductive resistor to make the commutating pole current to lead the main current.
B. non-inductive resistor to make the commutating pole current to lag behind the main current.
C. reactor to make the commutating pole current to lag behind the main current.
D. given statements are false.

Show Answer

Answer: B

Share your understanding of this question with the correct explanation.