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Re: Cap-driven x-former?



Original poster: "Hydrogen18" <hydrogen18-at-bellsouth-dot-net> 

If the capacitor simply performs PFC, the worst that could happen was a
factory installed powercord melt down in the absence of it. He stated than
when removed it does not work.

---Eric
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, June 07, 2004 7:54 PM
Subject: Re: Cap-driven x-former?


 > Original poster: Jim Lux <jimlux-at-earthlink-dot-net>
 >
 > Check out:
 >
 > http://home.earthlink-dot-net/~jimlux/hv/xfmrex1.htm
 >
 > This is basically the same transformer. (GE part 9T68Y5021G10 )
 >
 > C&H Surplus has them as TR9407 for $50.
 >
http://www.aaaim-dot-com/u/web/aaaimc/cgi-local/shop991/shop.pl/SID=2385848520/page=TRFS.htm#TR9407
 >
 > It works just fine without the capacitor (except for the power factor
being
 > terrible).
 >
 > There are several flavors of it that I've seen: a 220V version, a 50Hz
 > version, etc.
 >
 > Yours is a 5022G10, which is probably a somewhat different configuration,
 > but fundamentally the same.
 >
 > FWIW, I don't know that GE ever made ferro-resonant transformers.
 >
 > I haven't been able to find out how it was used in the copiers.
Originally,
 > I thought it might be used to run an arc lamp, but the voltage is awful
 > high.  So, my latest guess is that it was used to charge a reservoir cap
to
 > fire some very bright flash tubes. Kodak had some very fast photocopiers
 > back in the late 70's early 80s that used a fairly large array of flash
 > tubes, and looking over old EG&G literature, I think I found the tubes
that
 > they used.
 >
 > At 06:28 PM 6/7/2004 -0600, you wrote:
 > >Original poster: "Jim Mitchell" <Electrontube-at-sbcglobal-dot-net>
 > >Well I'd think it was ferro-resonant, because he says the output is
horrible
 > >without the capacitor.  Google could tell more then I could,  as I don't
 > >know much about the ferro-resonant circuit.
 > >
 > > >  >  >      More specs: Seller advertised it as out of a copier power
 > >supply.
 > > >  > Inked
 > > >  >  > on the side of the unit is "General Electric part #
9T68Y5022G10".
 > >Made
 > > >  > for
 > > >  >  > Eastman Kodak (with an Eastman Kodak part #).
 > > >  >  >      Cap is a 10uF 1000VDC oil-filled type.
 > > >  >  >
 >
 >