Re: re Honda 240/12 v portable generator
From: ray (rayll_at_bigpond.com)
Date: 08/31/04
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Date: Tue, 31 Aug 2004 01:28:31 GMT
"Jim Adney" <jadney@vwtype3.org> wrote in message
news:k155j018gv4i6727hfniqo5d261ghvf6dj@4ax.com...
> On Sunday, 29 Aug 2004 00:20:10 -500 "Asimov"
> <Asimov@-removethis-bbs.juxtaposition.dynip.com> wrote:
>
> >Fred, how does the iron lose all its magnetism in the first place?
> >I thought that by design there was always supposed to be enough
> >residual magnetism to bootstrap the generator...
>
> You're right that there's little reason for residual magnetism to go
> away. An automotive generator can sit for years or decades and still
> be fine.
>
> That's just for DC generators, however. I don't think there are any AC
> generators of any significant power that use residual magnetism to
> bootstrap themselves. They all require a bit of current from some
> source to get themselves started.
>
> The one exception might be brushless AC generators, which I thought
> were rare. They could be designed to use residual magnetism to get
> going.
>
> Does this AC generator have any brushes?
>
> -
> -----------------------------------------------
> Jim Adney jadney@vwtype3.org
> Madison, WI 53711 USA
> -----------------------------------------------
Yes Jim, the generator does have brushes
regards
Ray
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