Power Supplies & Current Sharing
2006-12-15 by Future Image
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Thread
2006-12-15 by Future Image
2006-12-16 by Bruce Harris
On 12/15/06, Future Image <futureimage@...> wrote:
>
>
>
>
>
>
> Hi,
> I've got my big Power One PSU down in the garage, and I've been
> thinking about the current it puts out. It gives out enough to power
> literally hundreds of modules apparently, but how will this current be
> shared? Will the modules just take what they need from the current, or
> will all the current go into the few modules setup, therefore damaging
> them?
> How does current sharing work???
> Thanks,
> PSG.
>
>
--
Love. /Bruce Harris
--
-----BEGIN 2ROT13 MESSAGE-----
The blog of nitro2k01: <http://soundandcomplete.wordpress.com/>
Electronic music forum:
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Sätt på ett par flipflops, vippa på rumpan
och gör det här till en minnesvärd sommar!
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2006-12-16 by Future Image
--- In cgs_synth@yahoogroups.com, "Bruce Harris" <nitro2k01@...> wrote:
>
> The amp rating is a maximum value. It doesn't mean that the supply
> forces 40 A (or whatever it says) through the things you plug in. This
> is one of the most common misunderstandings about voltage and current.
> Read up on what voltage and current really are.
> If you plug just one module to it maybe draws 0.5 A or so, and that's
> fine. If you plug in a hundred modules maybe they will draw 40 A in
> total. That's also fine, because that's within the limit. If you plug
> in more than that, you'll overload the PSU. That's not fine. Either it
> will react by ducking the voltage to limit the current, blow a fuse,
> or just keep giving the modules the power they need. In the latter
> case, there's a risk of overheating the PSU, which is not a good idea.
>
> On 12/15/06, Future Image <futureimage@...> wrote:
> >
> >
> >
> >
> >
> >
> > Hi,
> > I've got my big Power One PSU down in the garage, and I've been
> > thinking about the current it puts out. It gives out enough to power
> > literally hundreds of modules apparently, but how will this
current be
> > shared? Will the modules just take what they need from the
current, or
> > will all the current go into the few modules setup, therefore
damaging
> > them?
> > How does current sharing work???
> > Thanks,
> > PSG.
> >
> >
>
>
>
> --
> Love. /Bruce Harris
>
> --
> -----BEGIN 2ROT13 MESSAGE-----
> The blog of nitro2k01: <http://soundandcomplete.wordpress.com/>
> Electronic music forum:
> <http://oxo-unlimited.com/forums>
> Sätt på ett par flipflops, vippa på rumpan
> och gör det här till en minnesvärd sommar!
> -----END 2ROT13 MESSAGE-----
>