Have you looked at a bench power supply.
Here is a link to one http://www.leeselectronic.com/index.php?id_product=1422&controller=product
I purchased the 60V one and have used it to charge some batteries.
Unfortunately it is max 5A.
There are DIY versions online of modifying old PC power supplies, but I don't think they will do 10A or 30 Volts though.
If you find a good source, let us know
Mark
From: oak <oak_box@yahoo.com>
To: "electricboats@yahoogroups.com" <electricboats@yahoogroups.com>
Sent: Monday, December 9, 2013 1:42:54 PM
Subject: [Electric Boats] Inexpensive variable power supply?
I've been experimenting with rolling my own power supply, using an Arduino to control on/off, voltage monitoring, etc.
Is there a good, relatively cheap VARIABLE power supply that will output something in the range of 12-30V, up to at least 5A, preferrably 10A?
It should run off 90-150V (dock shore power, which should be expected to be "dirty").
Thanks!
John
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