Re: Z-Machine Sparkage - Substation Fault

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jim Lux by way of Terry Fritz <teslalist-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

I hadn't heard of actual explosives or propellants being used in fuses.
Could you give a mfr and model number?  This is fascinating..

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, April 13, 2003 10:33 AM
Subject: Re: Z-Machine Sparkage - Substation Fault


 > Original poster: "David Sharpe by way of Terry Fritz
<teslalist-at-qwest-dot-net>" <sccr4us-at-erols-dot-com>
 >
 > Godfrey
 >
 > Several HV fuse manufacturer's in fact use explosive charges in fuse
cartridge
 > to separate/isolate current carrying elements in an over current event.
The
 > violent explosion of the fuse when the transformer was flaming suggests
that
 > the primary side fault current was very high (certainly > 1kA).
 >
 > Regards
 > Dave Sharpe, TCBOR
 > Chesterfield, VA. USA
 >
 > Tesla list wrote:
 >
 >  > Original poster: "Godfrey Loudner by way of Terry Fritz
 > <teslalist-at-qwest-dot-net>" <ggreen-at-gwtc-dot-net>
 >  >
 >  > Do these expulsion fuses have high explosive charges inside to blow out
 >  > arcs? Was that loud humming sound made by bussing transformer
laminations?
 >  >
 >  > Godfrey Loudner
 >  >
 >  >  >I'm going to show at an electrical
 >  >  > safety training class at work, just to illustrate how bad a >high
power
 >  > fault
 >
 >