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Re: Transformers, Grounding, Cable questions.
---------- Forwarded message ----------
Date: Sun, 05 Oct 1997 02:16:19 -0400
From: "George W. Ensley" <erc-at-coastalnet-dot-com>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: Transformers, Grounding, Cable questions.
At 10:05 PM 10/4/97 -0600, you wrote:
>
>
>---------- Forwarded message ----------
>Date: Sat, 4 Oct 1997 20:22:15 -0500
>From: "DR.RESONANCE" <DR.RESONANCE-at-next-wave-dot-net>
>To: Tesla List <tesla-at-pupman-dot-com>
>Subject: Re: Transformers, Grounding, Cable questions.
>
>To: Phil
>
>You might wish to try a filter on each side of the variac, so
>mains-filter-variac-filter-varisters progression. The dual filters really
>do help reduce any hash and make you a good neighbor. An ounce of
>prevention is worth a pound of cure. Do not -- never -- use coax cable to
>transmit the HV from the power supply to your oscillator. Some strange
>blum-line effects can occur with a capacitive feed and result in
>overvoltages to your power xmfr. Use a high quality 30-40 kv rated HV
>cable and run a separate ground wire from the power supply to the
>oscillator base. We damaged a few xmfrs once and learned this lesson the
>hard way.
>
>DR.RESONANCE-at-next-wave-dot-net
>
Dr. Res,
Please help me understand the blum-line effect, i can't seem to find any
information on it.
thanks
george............