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Re: Ballasting a Pole Pig



Original poster: "David Rieben" <drieben@xxxxxxxxxxxxxxx>

Curt,

You've pretty much got the right idea ;^) I assume that
you have a 240 volt input stick welder, like one of those red Lincoln 225 amp arc welders? You simply series the input leads to the low voltage bushings of the pig with the po-
wer input plug of the welder. For maximum output current,
you short the welding leads together and turn the amperage
selector switch all the way up to the maximum amperage setting. Be sure to the connect the 240 volt input leads
to the two outermost low voltage busings on the side of the
pole pig tank. Leave the center low voltage bushing uncon-
nected as this will be the tank case ground (assuming your pig is a single phase, 120/240 volt output unit). This setup will allow you to draw 50 to 70 amps from the 240 volt ser-
vice with the HV output bushings of the pig shorted.

Good luck,
David


----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Monday, December 19, 2005 3:45 PM
Subject: Ballasting a Pole Pig


Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>
I'm considering making the move to a Pole Pig since
I'm having a hard time finding anything larger than a
60 mA NST.  I have a old stick welder that I'm
considering using as a ballast, but am not 100% sure
how I should go about hooking it up.  Do I just use
the power inputs and run it in series with the pig?
Do I need to terminate the "welding" output?  Does it
matter what setting the welding output power is set
to?
Thanks,
Curt.