RE: [CAD_CAM_EDM_DRO] Re: Charging Capacitors

You are right on this -- brain fart on my part...

Sorry!
Dave

> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of wanliker@...
> Sent: Friday, June 02, 2006 10:44 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Re: Charging Capacitors
>
>
>
> In a message dated 6/2/2006 10:49:07 P.M. Mountain Daylight Time,
> dh@... writes:
>
> it will be able to pass more and more current; this
> makes the bulb grow brighter for a given variac setting.
>
>
>
> Actually, a reformed capacitor should draw very little
> current, this is the
> purpose of reforming them.
> I try to hold the current down to maybe 40-100 ma., at
> startup, depending
> one the cap size, a judgement thing, but keep it low, you
> don't want high
> currents to flash thru the insulation you are trying to
> reform. And as soon as it
> drops, I raise the voltage to keep it in about the same range.
> Once the cap, is well reformed you can take it too full
> voltage, and the
> current will stay quite stable
> Always when you raise the voltage, the current will raise
> also, but after
> reforming at that voltage the current will drop, then raise
> the voltage again,
> over and over, but never in a hurry.
> An old capacitor that is dried out and beyond reforming, will
> not show a
> current drop after a period of time, like a good one will.
> bill
>
>
> [Non-text portions of this message have been removed]
>
>
>
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