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From: "Phil Allison"
Subject: Re: Heating element power supply..
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Thu, 12 Sep 2002 10:03:50 +1000
NNTP-Posting-Date: Thu, 12 Sep 2002 09:53:28 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"Kevin McMurtrie" wrote in message
> In article ,
> "Venom8" wrote:
> >I am wondering if there was anything beyond a simple divider network and
> >transformer would be required for powering a thin heat wire to cut
> >I was looking at using high wattage resistors, and a rather large
> >transformer. Will this work? Or is there a much better way. (outside of
> >purchasing a system)
> You can use a dimmer switch and transformer. It's just a hot wire. It
> doesn't need clean power.
** Most simple dimmer switches ( the kind that uses diacs to fire the
triac) cannot be safely used with transformers due to the phase angle in the
load causing misfiring and a DC component in the output, especially if the
tranny is heavily overloaded.
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