So something like the OE5JFL system, Dave?
http://www.qsl.net/oe5jfl/flashover.htm
cheers
Dave G0OIL
----- Original Message -----
From: "Dave" <dave@g8kbv.demon.co.uk>
To: <amps@contesting.com>
Sent: Thursday, February 16, 2012 2:51 PM
Subject: Re: [Amps] Source for plate xfrmer
> Message: 1
> Date: Wed, 15 Feb 2012 18:56:43 -0600
> Message-ID:
> <CALWD7Z5nBBFyQxYSKRWXzia9Bup0LxE3K2rm6By52xizypKMtg@mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Well, I wanted a single cap and a regulated supply. Too much?
>
> I mentioned having it partly for a sanity check. I have a friend who
> once built a 4x1 amp with a 6 KV supply. When he fired it up he got
> plasma while the rack danced around in his basement for 15 seconds which
> was how long it took for him to recover and get to the breaker panel.
> Maybe he had too much filter C.
>
> 73
>
> ---------------------------------------------------------------------
>
> Breaker panel!
>
> Our industrial amps, have a HV Crowbar system. If something arc's, that
> fires dumping the B+, also simultaniously killing the command to the
> primary contactor. It all makes a "bit of a bang", but does limit the
> damage potential.
>
> OK, we only go to some 2kV but with *Lots* of amps (double figures!)
>
> You could use a triggered spark gap, or "something" at 6kV. But you'd
> also need some fault current limiting, or your spark gap (or whatever)
> would probably cease to exist!
>
> Remember, imagine the very worst thing that could happen, then plan for
> even worse than that happening! Don't assume things will get connected
> together correctly too, if amp and psu are separate items.
>
> Then, you (and your amp) maybe safe. Some of the time....
>
> Regards.
>
> Dave G0WBX.
>
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