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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.
----- Original Message -----
From: "Tesla list" <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:
> This is basically the same transformer. (GE part 9T68Y5021G10 )
> C&H Surplus has them as TR9407 for $50.
> It works just fine without the capacitor (except for the power factor
> 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.
> 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
> 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
> 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
> >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
> > > > Inked
> > > > > on the side of the unit is "General Electric part #
> > > > for
> > > > > Eastman Kodak (with an Eastman Kodak part #).
> > > > > Cap is a 10uF 1000VDC oil-filled type.
> > > > >