In AC machines we should prefer double layer winding over single layer windings because

M

Mr. Dubey • 52.30K Points
Coach

Q. In AC machines we should prefer double layer winding over single layer windings because

(A) it requires identical coils

(B) it is economical to use

(C) it offers lower leakage reactance

(D) all of the mentioned

Correct : Option (A)

Explanation:

 double layer winding enables more usage of the space and lesser air gaps so the leakage flux also reduces and efficiency improves.

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