Re: [TCML] Terry Filter Corona

["Dex Dexter" <dexterlabs@xxxxxxxxxxx>]

Depends on where corona appears.For example,
if the corona is excessive and somewhere
on the conductor-insulator junction of the
important circuit component, it can damage insulation
during long operating times making that component vulnerable etc 

Dex

--- drake89@xxxxxxxxx wrote:

From: Drake Schutt <drake89@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] Terry Filter Corona
Date: Mon, 8 Feb 2010 14:57:08 -0800

Care to elaborate on these "other reasons"?

On Mon, Feb 8, 2010 at 11:54 AM, Dex Dexter <dexterlabs@xxxxxxxxxxx> wrote:

>
> IMO,the corona on any of tesla primary circuit parts
> is not a good sign.Not becouse of the losses (they are
> not serious) but for other resons.
>
> Dex
>
>
>
> --- Gary.Lau@xxxxxx wrote:
>
> From: "Lau, Gary" <Gary.Lau@xxxxxx>
> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Subject: RE: [TCML] Terry Filter Corona
> Date: Mon, 8 Feb 2010 12:52:37 +0000
>
> Hi Miles,
>
> I think that primary-side corona is not a significant source of losses when
> using "normal" NST voltages.  I don't know that any special construction
> techniques are needed beyond keeping conductors sufficiently distant from
> other stuff that they won't arc.  Perhaps if one were trying to use
> absolutely the minimum clearance, but that's not the norm.
>
> Regards, Gary Lau
> MA, USA
>
> > -----Original Message-----
> > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> > Behalf Of Miles H Mauldin Jr
> > Sent: Sunday, February 07, 2010 10:11 AM
> > To: Tesla Coil Mailing List
> > Subject: [TCML] Terry Filter Corona
> >
> > HI all,
> >
> > Oldbie, with a newbie question.  I built a coil in the mid 70's as a
> school project, and
> > at that time did not provide for any NST protection.  I have always been
> interested
> > in TCs so I am starting a new project 35 years later.  My question is;
> after building
> > the intergrated component board of my Terry filter I was looking at the
> underside
> > where I made the solder connections and wondered about loosing efficiency
> with
> > excessive corona.  Should I attempt to coat the connections or not worry
> about it.
> > Searching the Internet I have obtained a lot of information and pictures,
> but no
> > pictures of the bottom of anyone's ICB.  Any push in the right direction
> would be
> > greatly appreciated.
> >
> > Miles Mauldin
>
>
>


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