[chbot] Scrounging for big switch mode PSUs - clarifications
synco.reynders at gmail.com
Fri Mar 8 03:11:19 GMT 2019
I've built a 100V at 100A (12.5V x8 in series) supply you can borrow
briefly if you like to test your setup before purchasing.
On Fri, 8 Mar 2019 at 15:41, Peter Harris <petes.username at gmail.com> wrote:
> To clarify
> I am looking for mains powered DC supplies. The outputs must be floating
> to allow series connection.
> Re series connection and power.
> P = V x I so power rises in proportion to V
> A single supply delivering 20A at 50V yields 1000W
> 2 of these in series will deliver 20A at 100V or 2000W
> The 3 x 1000W 48V supplies in series will deliver 20.83A at 144V == 3kW
> Series connection of PSUs is fine provided their output isolation is
> sufficient to withstand the combined series voltage. Parallel connection is
> much more difficult but is not required here.
> "Caged" refers to the metalwork enclosing the electronics. Here are the
> unit's I'm considering
> Thanks to all who have responded so far.
> I have been to Molten Media unfortunately they had nothing suitable.
> I had not considered a welder, I will do some research.
> I feel a talk at the next meeting coming on :)
> Chchrobotics mailing list Chchrobotics at lists.ourshack.com
> Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/
> Meetings usually 3rd Monday each month. See http://kiwibots.org for
> venue, directions and dates.
> When replying, please edit your Subject line to reflect new subjects.
m: +64 21 1825332
e: synco.reynders at gmail.com
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Chchrobotics