RE: Corona Ring

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>

Hi Luke,

At 06:30 PM 2/2/2004, you wrote:
>So would it be an ok idea to make one that just fits over the secondary
>form and slide it down on the from to just above the last turn?  Sounds
>like something I could implement rather easily.

Yes.


>Might sound really stupid and I am not sure why I feel compelled to ask
>but here goes.
>The corona ring is electrically connected to the secondary output
>terminal correct?

Yes.

Cheers,

         Terry


>Luke Galyan
>Bluu-at-cox-dot-net
>
>-----Original Message-----
>From: Tesla list [mailto:tesla-at-pupman-dot-com]
>Sent: Monday, February 02, 2004 4:44 PM
>To: tesla-at-pupman-dot-com
>Subject: Re: Corona Ring
>
>Original poster: robert & june heidlebaugh <rheidlebaugh-at-desertgate-dot-com>
>
>
>MY CORONA RINGS ARE THE SAME DIAMITER AS MY COIL AND JUSE ABOVE THE LAST
>TURN OF THE SECONDARY
>     ROBERT   H
>--
>
>
>  > From: "Tesla list" <tesla-at-pupman-dot-com>
>  > Date: Mon, 02 Feb 2004 07:57:24 -0700
>  > To: tesla-at-pupman-dot-com
>  > Subject: RE: Corona Ring
>  > Resent-From: tesla-at-pupman-dot-com
>  > Resent-Date: Mon, 2 Feb 2004 08:12:56 -0700
>  >
>  > Original poster: "Luke" <Bluu-at-cox-dot-net>
>  >
>  > Thanx
>  > So the minor diameter can be quite small as opposed to the toroid
>above
>  > it.
>  > How far should the corona ring hang over the edge of the secondary.
>  > Say a 6" dia secondary
>  > Or a 12" dia secondary
>  >
>  > And is there a way to set it at the right height?
>  > Either by a rule of thumb or with a test methode?
>  > If it is a situation where trial and error are needed what are you
>  > looking for to know if it should go higher or lower?
>  >
>  > Thanx
>  >
>  > Luke Galyan
>  > Bluu-at-cox-dot-net
>  >
>  > -----Original Message-----
>  > From: Tesla list [mailto:tesla-at-pupman-dot-com]
>  > Sent: Sunday, February 01, 2004 4:42 PM
>  > To: tesla-at-pupman-dot-com
>  > Subject: Re: Corona Ring
>  >
>  > Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>
>  >
>  > Hi Luke,
>  >
>  > Corona rings are typically used when we need to soften a sharp high
>  > voltage
>  > "edge".  In those cases, the radius of the ring is usually vastly
>larger
>  >
>  > than the edge, so it "always works".
>  >
>  > I just get large diameter copper tubing that is simple to bend around
>a
>  > can
>  > or other right diameter object.  That is like 1/2 inch tubing here
>and
>  > it
>  > easily stops arcs off the top winding of coils and such.
>  >
>  > Cheers,
>  >
>  > Terry
>  >
>  >
>  > At 12:15 AM 2/1/2004, you wrote:
>  >> What is the general rule for the size of a corona ring and its
>  > placement?
>  >> Will a small minor diameter work well if there is a larger toroid as
>  > the
>  >> main top load over it?
>  >> Or does the corona ring need to have a large minor diameter?
>  >> How far over the sides of the secondary should the corona ring hang?
>  >>
>  >> Etc.  etc.
>  >>
>  >> Did a quick search through the archives and didn't find much.
>  >>
>  >> By the way anyone have any input on my idea for max primary
>inductance
>  > value
>  >> The post was titled "breakout"  I forgot to fill in the subject line
>so
>  >
>  >> guess breakout is it.
>  >> It is the explanation why I wanted the specs from those that had
>  > systems
>  >> that could not break out of a large toroid, got two want more.
>  >> But any comments on the idea?
>  >>
>  >> Luke Galyan
>  >> Bluu-at-cox-dot-net
>  >>
>  >
>  >