Lap and Wave Winding: Conditions/Equations of Pitch | DC Machines

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Conditions for lap and wave winding in DC machines, their equations and relations among quantities like commutator pitch, average pitch, back pitch and front pitch etc are explained in this video.
Progressive winding and Retrogressive winding meaning is also explained in this video.
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Опубликовано:

30 июл 2024

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Комментарии : 7

@surendrakverma555 2 года назад

Good 🙏🙏🙏🙏 Thanks

@asifmt8047 2 года назад

Why average pitch( yb+yf)/2 is taken as pole pitch Z/p

@physicsohind9034 2 года назад

Very nice sir

@jimitkshukla 2 года назад

Thank you dear 😊

@Saiteja-bg9gj 2 года назад

But in lap winding the number of slots doesn't equal to number commutator segments nor either coils..but coils are equal to commutator segments.

@olivierj.2435 2 года назад

Why are you saying that for lap winding yb = yf +- 2 ? For simplex it's not yb = yf + 1 ? Thank you

@jimitkshukla 2 года назад

In lap winding, both Yb and Yf are odd number and of opposite sign. They cant be equal. They differ by 2 or multiple of 2. If it is simplex lap winding, and if Yb > Yf, then Yb = Yf + 2. If Yb < Yf, then Yb = Yf - 2. So Yb = Yf (+/-) 2. (plus or minus). In general, Yb = { Yf (+/-) 2m }, where m = 1 for simplex lap winding and m = 2 for duplex lap winding. And so for simplex it is not Yb = Yf + 1. It is wrong.