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Re: Choke making idea (maybe) (fwd)
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To: tesla@pupman.com
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Subject: Re: Choke making idea (maybe) (fwd)
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From: Tesla List <mod1@pupman.com>
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Date: Thu, 27 Feb 1997 21:01:24 -0700 (MST)
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Approved: mod1@poodle.pupman.com
---------- Forwarded message ----------
Date: Fri, 28 Feb 1997 07:45:45 +1200
From: Malcolm Watts <MALCOLM@directorate.wnp.ac.nz>
To: tesla@pupman.com
Subject: Re: Choke making idea (maybe) (fwd)
Bob,
Variacs are designed to be ideal transformers so the core will
saturate with enough ampere-turns applied. The iron powder cores have
a distributed airgap in them and work their way to saturation very
gently.
Malcolm
<snip>
> Bad:
> (This I do not know)
> If the core is just a stip of wound metal, would it be able to
> go into full saturation? I have read on the list before, and are
> presently using, the powered-iron core toroids from Hosfelt electronics
> that can not go into saturation. I am thinking that even if the core
> was not a wound strip of metal and solid either way could achieve
> saturation.