Re: RSG's different shape electrodes

• To: tesla-at-pupman-dot-com
• Subject: Re: RSG's different shape electrodes
• From: Greg Leyh <lod-at-pacbell-dot-net> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Sun, 04 Oct 1998 17:50:21 -0600
• Approved: terryf-at-verinet-dot-com

> Original Poster: "Barton B. Anderson" <mopar-at-uswest-dot-net>

> > 1/2" seems a bit small.  The stationary electrodes
> > on Electrum are 3" wide, and they are consumed at
> > the rate of about 0.002" per min. of contactor time,
> > at a primary current of only 2800A pk.
> > The 1MW rotary would have to be able to dissipate
> > about 100kW to 150kW of heat, and UV radiation.
> > -GL
> 
> Geese!!!  Yowza!!!  If electrum uses 3" wide electrodes (incredible!), I
> couldn't
> even begin to imagine what size electrode the 1MW rotary would require.
> Sounds to
> me like an entirely different gap design would be required for a 300 bps
> system, something new and not thought of yet (or is it?).

Well, it's probably true that a single rotary gap
would not work but a distributed arrangement might,
where a single or dual rotor triggered an array of 
heavy static gaps with forced cooling.
In any case, a large number of gap switch stations
would be required to quench a 150kV system.
-- 


-GL
www.lod-dot-org

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