Kevin,
From what I'm finding on the web, voltage doublers and such look like they're great for powering communications circuits - but may not be practical for high currents.
Do you have any practical experience on how much current can be drawn from something that would say, double 12V to 24V?
From: Kevin Pemberton <pembertonkevin@gmail.com>
To: electricboats@yahoogroups.com
Sent: Wednesday, March 12, 2014 2:54 PM
Subject: Re: [Electric Boats] Backup option.... voltage pumps in parallel?
You should look up how to build a voltage pump. The makeup would tell you that it is a bad idea.
Kevin
On Mar 11, 2014 9:39 AM, "oak" <oak_box@yahoo.com> wrote:
I have ordered a couple of these power supplies to play with:They'll take 10-60V as input, and boost it up to 80V - as long as the output voltage exceeds the input voltage.They're rated for 600W.On my boat, I have a battery bank for the electric motor at 48V, and a second bank at 12V for the "house".The thought was that perhaps, for short periods of time, in an emergency, could I run the 48V motor from one of these tied to the house battery?The simple answer should be "yes, at low power".The more complicated issue is if I want 1000W or so.Can I safely tie the output of two of the voltage pump power supplies in parallel??Should I put a diode after each one before tying them together?Or maybe a very small resistor?
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