Re: vacuum switchs (fwd)

To: tesla-at-pupman-dot-com
Subject: Re: vacuum switchs (fwd)
From: Tesla List <mod1-at-pupman-dot-com>
Date: Fri, 31 Jul 1998 20:15:05 -0600 (MDT)
Approved: mod1-at-pupman-dot-com



---------- Forwarded message ----------
Date: Fri, 31 Jul 1998 19:38:07 +0100
From: Steve Rodway <Legion-at-legion-elec.demon.co.uk>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: vacuum switchs (fwd)

Tesla List wrote:

>  another thought, has any one tried putting their spark gap in a housing
> and presureizing it with some type of gas like nitrogen or sf-6?

    A nitrogen filled gap would work, and with a much higher voltage hold
off and quench rate than in air, but the material of choice for high power
high rep-rate spark gaps is hydogen! because it quenches exceptionally fast.
SF6 would be a bad choice because under repetetive arcing toxic gas is
produced.
( I think I'm right on this)
        Hope this helps,

                            Steve
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