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Welder Selection for Current Limiting
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To: tesla-at-grendel.objinc-dot-com
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Subject: Welder Selection for Current Limiting
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From: Chuck Curran <ccurran-at-execpc-dot-com>
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Date: Sun, 24 Mar 1996 16:40:45 -0600
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I'd like to ask the group a question on the selection of
a welder for pole pig current limiting. At this time I have
started the assembly of my power cabinet, which will be in
need of a means of current limiting. The selection of a
welder is where I am hesitating right now. I do not know if
all brands of welders provide the appropriate design features
to do a good job. I presently understand that some use a
form of a shunt plate system, similiar to a neon transformer
in order to create an adjustable current limiting. I was
looking at a flyer on a Lincoln Model AC-225 welder and there
was no mention of how they chose to accomplish the current
limiting. It looked like a nice unit, about the size that I
could hide from the wife (just kidding). It appeared to have
a switch that functioned (by feel) more like a tap switch,
for various output voltages from the secondary. Might anyone
have already reviewed various manufacture's designs? I wonder
which brands would be good for Tesla work. Model numbers
would be great. Thanks in advance for any comments.