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Re: Post-toasted neon
--
Subject:
Re: Post-toasted neon
Date:
Sun, 19 Jan 1997 20:39:46 -0600
From:
Nathan Lamphere <randyl-at-ronan-dot-net>
> From:
> tesla-at-america-dot-com (Bob Schumann)
> To:
> tesla-at-pupman-dot-com
>
> Not a happy hello,
>
> I toasted my 12kv-at-60ma franceformer. Damn. I was using a variac
> and it must have been the 140VAC. Now when I plug in the transformer
> I get 1 quick big spark and then it starts smoking around the
> HV bushing.
>
> I have a couple of questions.
>
> 1) Does the smoke most probably come from the insulation or
> from the windings or both.
>
> 2) If unpotted, is it possible to remove the spools and rewind
> them or does this require a certain machine. I would think
> the secondary windings might be the 'hair' type wire and
> easily broken. I would think that the core of the transformer
> is still good.
>
> I found a price for a new Magnatek (formerly Jefferson) $122.68 OUCH!
>
> Bob Schumann
>
> tesla-at-america-dot-com
> http://www.america-dot-com/~tesla
I am curious too since I fried my 9kV 30ma transformer and have a spark
coming from one wire of the high voltage output (down in the coil
itself). PS Is this what is called a "bushing?"
Nathan
--
Nathan Lamphere
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