Re: [RE]mains filter (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Mon, 5 Nov 2007 16:02:00 -0800
From: Clive Hansen <mrclivehansen@xxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: [RE]mains filter (fwd)

I would be interested in seeing a schemo of your mains filter.

On 11/5/07, Tesla list <tesla@xxxxxxxxxx> wrote:
>
>
> ---------- Forwarded message ----------
> Date: Mon, 05 Nov 2007 11:36:46 -0500 (EST)
> From: M G <gt4awd@xxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: [RE]mains filter (fwd)
>
> p {margin-top:0px;margin-bottom:0px;}
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> As the others have stated, the Terry filter is ment to protect the high
> voltage windings of the transformer, although I'm sure it also helps some
> to reduce RFI entering back through the mains. I purchased the parts to
> make the Terry filter on Ebay. Took a few days to build once I got the
> parts, but it turned out alright. Also got a mains 2(+/-)x10 amp RFI
> filter on ebay for a good price. A little suggestion. Keep the mains
> filter as far away from the coil as you can.
>
>
>
> I once did a test, and found that with the mains filter right next to the
> transformer, which was right below the coil, the filter is kind of
> pointless. I took a CFL, and ran it along the extention cord supplying
> the electricity for my setup. To my surprise the CFL would light up
> slightly, due to the RF electricity the line was collecting inductively.
> I have since made a small wooden box to hold the RFI filter. It sits
> right next to the outlet that I use to power the coil. Installed a
> switch, and power indicating bulb onto the box. Works great! If you want
> to see some photographs, or schematics let me know.
>
> By the way everyone, it's been a good while since I last posted. I'm
> still here, but too busy to be active anymore. I check the threads every
> once-in-a-while to see if anything new is happening. Glad to see the list
> is still active, and helping out newcommers.
>
>
>
> Matt G.
>
>       ---------[ Received Mail Content ]----------
>       Subject : mains filter (fwd)
>       Date : Sun, 4 Nov 2007 11:41:04 -0700 (MST)
>       From : "Tesla list" <tesla@xxxxxxxxxx>
>       To : tesla@xxxxxxxxxx
>
>
>       ---------- Forwarded message ----------
>       Date: Sun, 04 Nov 2007 00:55:03 +0200
>       From: Tomas Stankevic
>       To: Tesla list
>       Subject: mains filter
>
>       Hi, I want to make mains filter to protect sensitive
>       equipment (for 50mA NST TC). Is it
>       possible to make one or I should buy? I found "Terry filter"
>       in the
>       list, is it suitable?
>
>       Tomas
>
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