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Re: [Amps] inexpensive HV fuse

To: dezrat1242@yahoo.com, amps@contesting.com
Subject: Re: [Amps] inexpensive HV fuse
From: Radio WC6W <wc6w_amps@yahoo.com>
Date: Wed, 22 Jul 2009 17:30:28 -0700 (PDT)
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Hi Bill,
    Since it turns off in one uS, the filter cap(s) stay charged.  The total 
let through power is on the order of one Joule.

73 & Good afternoon,
  Marv WC6W 

http://wc6w.50webs.com/



--- On Wed, 7/22/09, Bill, W6WRT <dezrat1242@yahoo.com> wrote:

> From: Bill, W6WRT <dezrat1242@yahoo.com>
> Subject: Re: [Amps] inexpensive HV fuse
> To: Amps@contesting.com
> Date: Wednesday, July 22, 2009, 2:56 PM
> ORIGINAL MESSAGE:
> 
> On Wed, 22 Jul 2009 14:17:34 -0700 (PDT), Radio WC6W <wc6w_amps@yahoo.com>
> wrote:
> 
> >
> >  IGBT's have evolved to the point where one can
> build an Electronic Circuit Breaker that will disconnect the
> load in a microsecond or so.
> >
> >  This approach avoids dumping all the energy from
> the filter caps.
> 
> REPLY:
> 
> Yes but.....
> 
> That approach allows all the energy from the filter caps to
> be dumped into the
> arc. We're trying to avoid that.
> 
> 73, Bill W6WRT
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> 


      
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