RE: [CAD_CAM_EDM_DRO] Re: Charging Capacitors

That would be best. Use a full-wave rectifier and a 25 watt lightbulb
between the rectifier and the cap.
Whole process should take a day or so.

Dave

> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of Larry Olson
> Sent: Friday, June 02, 2006 12:31 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: RE: [CAD_CAM_EDM_DRO] Re: Charging Capacitors
>
>
> Or can I run the transformer on 110 (single leg and neutral)?
>
> -----Original Message-----
> From: Larry Olson
> Sent: Friday, June 02, 2006 12:11 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: RE: [CAD_CAM_EDM_DRO] Re: Charging Capacitors
>
> I've got a 120VAC variac but my transformer is 220. Can I connect the
> variac to one of the mains legs and vary the voltage that way?
>
> Larry Olson
>
> -----Original Message-----
> From: Dave Halliday [mailto:dh@...]
> Sent: Friday, June 02, 2006 11:24 AM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: RE: [CAD_CAM_EDM_DRO] Re: Charging Capacitors
>
> And don't use a wall-mount light dimmer, this is not a variable
> transformer, it passes the full 110VAC just chopped up.
>
> Wanliker's recomendation of a battery charger is a good one.
>
> Dave
>
> > -----Original Message-----
> > From: CAD_CAM_EDM_DRO@yahoogroups.com
> > [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of rrrevels
> > Sent: Friday, June 02, 2006 10:04 AM
> > To: CAD_CAM_EDM_DRO@yahoogroups.com
> > Subject: [CAD_CAM_EDM_DRO] Re: Charging Capacitors
> >
> >
> > A friend of mine rebuilds old amateur radios (tube type) and he says
> > he reforms the capacitors using a variac. He starts the
> voltage very
> > low and slowly brings it to normal over several hours.
> >
> > Hope this helps.
> >
> > Russ
> >
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "oldpayphones"
> > <larry@...> wrote:
> > >
> > > I have some used 200VDC 5400UF capacitors from a 1970's
> > Bridgeport that
> > > have been sitting for a couple of years and I was wondering
> > if there is
> > > a correct procedure for charging them initally. I have had
> > stereo PS
> > > caps explode after sitting for some time.
> > >
> > > Thanks,
> > > Larry Olson
> > >
> >
> >
> >
> >
> >
> >
> >
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> sister site to the CCED group, as many of the same members are there,
> for OT subjects, that are not allowed on the CCED list.
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> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY
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> http://groups.yahoo.com/group/jobshophomeshop I consider
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> sister site to the CCED group, as many of the same members are there,
> for OT subjects, that are not allowed on the CCED list.
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> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY
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http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there,
for OT subjects, that are not allowed on the CCED list.

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