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Which among the given harmonics are called belt harmonics?

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in Electrical Machines by (135k points)
Which among the given harmonics are called belt harmonics?

(a) 5, 7, 11, 13

(b) 3, 6, 9, 12

(c) 5, 6, 11, 12

(d) 7, 11, 13, 15

The question was posed to me in exam.

The origin of the question is EMF Polygon topic in portion Synchronous Machines of Electrical Machines

1 Answer

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Best answer
The correct option is (a) 5, 7, 11, 13

Easiest explanation: The odd harmonics of the order 5, 7, 11, 13 etc are called belt harmonics.

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