[chbot] pc power supply
Mark Atherton
markaren1 at xtra.co.nz
Mon Apr 6 02:32:35 BST 2020
Here is a PSU that features load sharing
https://www.digikey.co.nz/products/en?KeyWords=281-3356-ND
I do like Synco's observation though :)
On 6/04/2020 1:21 PM, Synco Reynders wrote:
> Wait... is everyone assuming the power-supplies are in parallel?
> @Chris - is this what you desire? -since if the power-supplies can be
> in series you can ignore many of the comments.
> /s
>
>
> On Mon, 6 Apr 2020 at 13:09, Charles Manning <cdhmanning at gmail.com
> <mailto:cdhmanning at gmail.com>> wrote:
>
> I agree with Volker
>
> The default answer is NO, unless there are specific capabilities
> for load sharing.
>
> Even if it did "work" by luck, there is no guarantee it would
> continue to work under different temperatures, different load
> conditions and even different AC power voltages/ power factor etc.
>
>
>
>
> On Mon, Apr 6, 2020 at 12:59 PM Volker Kuhlmann
> <list57 at top.geek.nz <mailto:list57 at top.geek.nz>> wrote:
>
> On Mon 06 Apr 2020 11:53:55 NZST +1200, Mark Atherton wrote:
>
> > Yes, if they are identical power supplies, and have current
> sharing
> > features.
>
> What kind of current sharing features?
> What do they look like in PC power supplies?
>
>
> I think in general, the answer would be no you can't combine them.
> There's a good chance the output regulation interferes with
> each other.
> Best case would be not much output power from each, worst case
> wild and
> strange oscillations exceeding output voltage.
>
> It might be worth a test, but I'm not confident to guarantee
> that each
> power supply and the load survive that undamaged.
>
> Volker
>
> --
> Volker Kuhlmann
> http://volker.top.geek.nz/ Please do not CC list postings
> to me.
>
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> --
> Synco Reynders
> m: +64 21 1825332
> e: synco.reynders at gmail.com <mailto:synco.reynders at gmail.com>
>
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