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Re: Variac
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To: tesla-at-pupman-dot-com
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Subject: Re: Variac
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From: Terry Fritz <twftesla-at-uswest-dot-net>
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Date: Wed, 21 Jul 1999 18:45:38 -0600
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Approved: twftesla-at-uswest-dot-net
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Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme
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In-Reply-To: <b7f364c5.24c7aca0-at-aol-dot-com>
Hi Daniel,
See the chart at:
www.peakpeak-dot-com/~terryf/tesla/misc/VariacLoad.jpg
This shows how long you can overload a variac and how long it needs to cool
afterwards. Apparently it is pretty generic and applies to most typical
variacs.
Terry
At 07:07 PM 7/21/99 -0400, you wrote:
>I've been looking around for a Variac and I've noticed that while all of them
>run around 0-140 volts they have widely differing amp ratings. How large of
>an amp rating do I need for TC use? I know that I could just look on my
>xformer and see that it draws 2.2 amps and use that as a guide but I plan to
>get an NST to replace my OBIT soon and I don't know how much current they
>pull. Will a 5 amp variac work or do I need to go with the larger 30 amp...or
>is there somewhere in between that would be more suitable to TC use?
>
>Left, left, I hadda good brain but it left...
>---Daniel
>