Re: [CAD_CAM_EDM_DRO] PC PSU - 24V, 36V, 48V .. etc.. from a 12V PC power supply?

Hi, after fixing many computer supplies, trying to run them in series just
doesnt work well. if you ran a motor off each supply and used one of the
three supplies for 5 volt logic, it would work, but see the white papers at
www.geckodrive.com on how to build a simple power supply. no regulation
needed for the stepper power part. cul brian f.

----- Original Message -----
From: "abbylynx" <abbylynx@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, November 18, 2002 3:22 PM
Subject: [CAD_CAM_EDM_DRO] PC PSU - 24V, 36V, 48V .. etc.. from a 12V PC
power supply?


> Hmmm..
>
> Has anyone here tried connecting 2 (or more) of the 12V power-supply
> cables from a PC power supply together in series to get 24+V? It this
> at all possible, or do peculiarities of the switched power supply
> system mean that this is a PSU death-trap waiting to happen?
>
> PC power supplies just seem so conveniant, with their handy 5V
> logic.. if we could just get more than a wimpy 12V out of them they
> would be quite good for most peoples CNC needs (connect 3 12V's for
> 36, or 4 for 48V!). Of course, some big capacitors would probably be
> neccessary.. but where else can you get a 300W PSU with 5V logic for
> $20. :)
>
> So, is it a death trap?
> Thanks!
>
>
>
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