Re: [CAD_CAM_EDM_DRO] Re: power supplies form those 24v transformers

Les,

Thanks for posting this info and your experience.
Perfect timing for my build..

Vince

ps. Forgot that I have to work w/ handtools modifying my Mill w/ the
Ballscrews - Egad!
Have to reassemble it back to original after taking measurements just
so I can make the mod parts.

----- Original Message -----
From: "Les Watts" <leswatts@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, January 19, 2003 3:28 PM
Subject: Re: [CAD_CAM_EDM_DRO] Re: power supplies form those 24v
transformers


> Thanks, Jerry.
> The basic two transformer design can be made
> in 10a capacity increments by duplicating the
> transformer part and paralleling, with a shared
> higher capacity bridge rectifier and larger cap.
> Larger versions would benefit from an inrush device
> like a pair of Thermometrics NTC inrush current limiters
> as suggested by Mariss. They are in Digi-key and only
> a couple bucks or so each. He can elaborate later.
>
> Now if someone can measure the actual voltage ratio
> to see what is obtained with 117vac + 10% to make
> sure that it doesn't pop amps in those not uncommon
> high line voltage situations.
>
> Les
>
>
> Leslie Watts
> L M Watts Furniture
> Tiger, Georgia USA
> http://www.alltel.net/~leswatts/wattsfurniturewp.html
> engineering page:
> http://www.alltel.net/~leswatts/shop.html
> Surplus cnc for sale:
> http://www.alltel.net/~leswatts/forsale.html
> ----- Original Message -----
> From: <jerry@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Sunday, January 19, 2003 5:43 PM
> Subject: [CAD_CAM_EDM_DRO] Re: power supplies form those 24v transformers
>
>
> > I posted a schematic in the files section.
> > Look in the folder "Jerry"
> > http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/Jerry/Power_Supply
> > .pdf
> >
> >
> > Jerry
> >
> >
> > > Les,
> > > Thanks for the response. I'll be looking forward to a
> > schematic when
> > >
> >
> >
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> OFF Topic POSTS: General Machining
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aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
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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.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
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