Re: [femm] Re: Calculating skin effect using FEMM?

[David Meeker <dmeeker@xxxxxxxxxxxxxxxxx>]

k.gregory@xxxxxxxxxxx wrote:

> Dave,
>
> Long time no e-mail but I have been using FEMM a lot lately and
> recommending it to everyone!
>
> Anyway, I'm a little confused about a bit of one of your replies,
> maybe I'm being a bit stupid, but you said
>
> The multiple bars per phase illustrates an interesting feature of
> the "circuit" properties--if you label multiple blocks with the same
> circuit, it assumes that all blocks are driven in series, and that
> the _total_ current in _all_ blocks that are defined with a
> particular circuit property adds up to meet the constraint. If you
> examine the two bars composing each phase, you will find that each
> bar carries a slightly different current, but the total current adds
> up to be the desired phase current.
>
> If the blocks are driven IN SERIES then shouldn't they carry the same
> current or if they add up to the right total current then aren't they
> in parallel?
>
> Keith.

Whoops--thanks for catching this. I meant to say "in parallel". When
you apply the same "circuit" property to multiple blocks, it connects all
of the block in parallel.

Thanks again for pointing this out. Perhaps I should read what I type
before I hit "send"...

Dave.


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