Question is ⇒ While starting a 3-phase synchronous motor by induction motor action, very high emf is induced in the field winding. The damage to the insulation of field winding and slip-rings can be avoided by, Options are ⇒ (A) splitting the field winding in several sections, (B) short circuiting the field winding through field discharge resistance., (C) either (a) or (b)., (D) none of these., (E) , Leave your comments or Download question paper.

Question is ⇒ While starting a 3-phase synchronous motor by induction motor action, very high emf is induced in the field winding. The damage to the insulation of field winding and slip-rings can be avoided by, Options are ⇒ (A) splitting the field winding in several sections, (B) short circuiting the field winding through field discharge resistance., (C) either (a) or (b)., (D) none of these., (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	While starting a 3-phase synchronous motor by induction motor action, very high emf is induced in the field winding. The damage to the insulation of field winding and slip-rings can be avoided by
A.	splitting the field winding in several sections [Wrong Answer]
B.	short circuiting the field winding through field discharge resistance. [Wrong Answer]
C.	either (a) or (b). [Correct Answer]
D.	none of these. [Wrong Answer]
View Answer 2 -1 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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