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Neon Xformer bypass caps
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To: tesla-at-grendel.objinc-dot-com
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Subject: Neon Xformer bypass caps
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From: richard.quick-at-slug-dot-org (Richard Quick)
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Date: Wed, 15 Nov 1995 05:13:00 GMT
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Quoting Don Froula <froula-at-cig.mot-dot-com>:
Subject: Neon Tranformer bypass caps.
> I have four, no-PCB, oil filled transmitter bypass caps rated
> at 25KV each at .012 uF. I would like to use these a bypass
> caps on my Tesla filter board.
> With my neon transformer supply, I planned on using two caps in
> series on each side of the neon to ground. This should give a
> DC voltage rating of 50 KV at .006 uF. From what I have read,
> the capacitance is a bit high for a neon. Will there be any
> problem with destructive oscillations in the neon secondary
> with this arrangement.
I have seen a problem when similar values were used for bypass
caps. The currents produced melted holes in a one inch ground
strap and welded spots of the strap to the cases of the neon
transformers where incidental contacts occured. There was
significant heat, spark, and smoke produced.
> The France neon sign transformer applications manual warns
> against long HV cable runs, due to the effectives of the
> capacitance on "the tranformer insulation system". I wonder if
> there will be a similar problem here.
Not in this application.
Richard Quick
... If all else fails... Throw another megavolt across it!
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