In D.C. machines fractional pitch winding is used
A)to improve cooling
B)to reduce copper losses
C)to increase the generated e.m.f.
D)to reduce the sparking

Name: In D.C. machines fractional pitch winding is used A)to improve cooling B)to reduce copper losses C)to increase the generated e.m.f. D)to reduce the sparking
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Question

Quizplus · Accepted Answer

Fractional pitch winding in D.C. machines is used to reduce sparking at the commutator, which enhances the machine's performance and longevity by minimizing wear and electrical noise.

In D.C. Machines Fractional Pitch Winding Is Used