Re: Arc welder as ballast

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

Original poster: "Yurtle Turtle by way of Terry Fritz <twftesla-at-qwest-dot-net>" <yurtle_t-at-yahoo-dot-com>

I smoked my Lincoln 225, but hope to soon repair it.
For a schematic, see:
http://www.geocities-dot-com/yurtle_t/misc/welder2.jpg

Adam

--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <Tesla729-at-cs-dot-com>
> 
> In a message dated 6/18/01 10:45:50 PM Central
> Daylight Time, 
> tesla-at-pupman-dot-com writes: 
> 
> 
> >
> > Is anyone familiar with using a Lincoln AC-225 arc
> welder as a ballast for a 
> > pole transformer? Should the arc welder secondary
> be operated shorted or 
> > open? 
> > Has anyone looked inside the AC-225 to see how the
> current adjusting knob 
> > actually controls the current? I am speculating
> that the knob mechanically 
> > moves the core of the transformer. 
> >
> >
> 
> 
> 
> Steve, 
> 
> I use a Linclon 225 amp arc welder to ballast my 10
> kVA pole pig 
> for my Tesla coil system and I am quite pleased with
> the perfor- 
> mance. I connect the 240 input to the pole pig in
> series with the 
> primary input to the welder. I do short the
> secondary leads of the 
> welder and usually leave the current selector  maxed
> out at 225. 
> This allows me to draw 40 to 45 amps at 240 volts
> input (~ 10kVA) 
> I usually don't ever turn the variac all the way up
> to 240 volts input 
> to the welder/ transformer as I get solid 8 to 10 ft
> streamers at 
> around 6 kVA. I don't use any resistance in combo
> with the inductive 
> welder ballast although some coilers strongly
> suggest that you do 
> to smooth out the operation. 
> 
> Actually, my Lincoln arc welder dosen't move the
> core with the 
> amperage selection switch. It is simply a
> multitapped reactor in 
> series with the secondary low voltage winding of the
> transformer. 
> 
> Check out the sparks of my coil at:
> <http://www.nex-dot-net/kilroy/david/> 
> 
> Sparkin' in Memphis, 
> David Rieben
> 
> 


=====
Adam Minchey
yurtle_t-at-yahoo-dot-com
www.geocities-dot-com/yurtle_t/index.htm

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