Re: Transformer for Sale? POTENTIAL TRANSFORMER

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

Original poster: "Jeremy Scott by way of Terry Fritz <teslalist-at-qwest-dot-net>" <supertux1-at-yahoo-dot-com>


oops, ignore the last post, accidentally hit send.

So when using a potential transformer, how are
PFC caps wired in parallel? Before (line side)
of the spool or after (between the spool and the
PT)



--- Tesla list <tesla-at-pupman-dot-com> wrote:
 > Original poster: "Terry Blake by way of Terry Fritz
 > <teslalist-at-qwest-dot-net>" <tb3-at-att-dot-net>
 >
 > I must agree that it sounds like a pain to wind your
 > own.  I bought a few
 > different spools of wire from Home Depot, just to
 > find what would work best
 > WITHOUT having to wind anything.
 >
 > The 500ft spool of 12 AWG wire in series with the
 > 120 V AC input does work
 > really nice.  I measured the R and L and got 0.9
 > Ohms and 10.50 mH. The R is
 > determined by wire length but the L will change with
 > the number of turns and
 > spool shape.  You want some R, and if you can get it
 > from the wire, so much
 > the better.
 >
 > The spool does get warm, but I have not found that
 > it gets hot.  My runs
 > have been up to about 4 minutes.  It can be hard to
 > take much more that at a
 > time anyway.
 >
 > Here is more info on my setup.
 >
 > http://www.tb3-dot-com/tesla/mrun/index.html
 >
 > Terry Blake
 > http://www.tb3-dot-com/
 >
 >
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Thursday, April 17, 2003 1:03 PM
 > Subject: RE: Transformer for Sale? POTENTIAL
 > TRANSFORMER
 >
 >
 >  > Original poster: "Mccauley, Daniel H by way of
 > Terry Fritz
 > <teslalist-at-qwest-dot-net>" <daniel.h.mccauley-at-lmco-dot-com>
 >  >
 >  >
 >  > I am just running the spool of wire in series
 > with the "hot" 120VAC input
 > to
 >  > my potential transformer.
 >  > Both myself and Terry Blake do this.  The ballast
 > does get warm, but not
 > too
 >  > hot.  If you were to run your
 >  > coil at more than 15 minutes continuously, then
 > it might not be a good
 >  > ballast, but for short runs (which i think is
 >  > typical) it works fine.
 >  >
 >  > I don't have a picture available, but here is a
 > link to Terry Blake's
 >  > website with a picture of his "poor man's
 > ballast."
 >  >
 >  >
 > http://tb3.phpwebhosting-dot-com/tesla/mrun/P9050002.jpg
 >  >
 >  > I'd save myself the trouble and forget about
 > winding your own ballast.  Be
 >  > much easier to just buy the $10.00 roll and be
 >  > done with it.  The standard 500ft roll is already
 > calibrated to ballast at
 >  > current at about 24-26A which is the optimal
 > power input for these
 > potential
 >  > transformers.
 >  >
 >  > The Captain
 >  >
 >  >
 >  >
 >  >  > You have a 500ft spool of 12 AWG wire in
 > series with the input of the
 >  >  > potential transformer on just one leg?  Or do
 > you have two of
 >  >  > these spools,
 >  >  > one on each leg?  About what diameter is your
 > 500 foot spool?
 >  >  >  I've got
 >  >  > 80lbs of 12 AWG magnet wire I'd like to use
 > for winding my
 >  >  > own ballast on my
 >  >  > potential transformer.  Do you have any
 > pictures of your
 >  >  > ballast?  I still
 >  >  > have vivid memories of running my potential
 > transformer
 >  >  > without the proper
 >  >  > ballast and would like to learn as much as
 > possible before
 >  >  > trying it again.
 >  >  >
 >  >  > Dave
 >  >  >
 >  >  >
 >  >
 >  >
 >
 >


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