Re: [CAD_CAM_EDM_DRO] Re: Power Supply Question

on 2001-10-31 17:11:03 UTC

Thanks for the specifics. I will probably try to find a unit to buy so that
I do not inadvertently electrocute myself. But I will price these
components. Is there a website that would have these specific things?

Thanks again,

Dan.

----- Original Message -----
From: <mariss92705@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, October 31, 2001 7:57 PM
Subject: [CAD_CAM_EDM_DRO] Re: Power Supply Question

> Dan,
>
> Here's what I suggest. Get a 500VA isolation transformer (115 VAC in,
> 115 VAC out) Take the output to a 500VA Variac. Get the kind that
> goes from 0 to 140 VAC. Use a 400V, 10A bridge rectifier and a 10,000
> uF, 250 VDC filter capacitor. This will give you 0 to 197 VDC output
> with 2.5 volts ripple at a 3 amp load. Use a 10K, 5W bleed resistor
> across the cap. Fuse the DC output with a 5A fast-blo fuse and be
> careful.
>
> Mariss
>
> --- In CAD_CAM_EDM_DRO@y..., "Dan Statman" <dan.statman@r...> wrote:
> > This is unrelated to CNC, but you guys seem to know a lot about
> power
> > supplies. I am looking for a variable DC power supply capable of
> 3A and
> > 0-200 Volts. Does anybody have a surplus one sitting around?
> Anybody know
> > where some plans would be to build one? Any help appreciated.
> What would
> > the cost of components be?
> >
> > I need this for a titanium anodizing tank that I would like to
> build.
> >
> > Thanks,
> >
> > Daniel J. Statman, Statman Designs
> > www.statmandesigns.com
>
>
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