Re: Corona Ring

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

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
 >>
 >
 >