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RE: Corona Ring
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
>