Running the charger as a power supply will depend on the charger.
Many chargers see extended operation at "bulk charge" rates as an error
condition and will cut out.
The ProTournament Quad series have this issue. They are otherwise
excellent chargers from what I hear, especially for banks made up of 12V
batteries.
The Elcon PFC1500 that I purchased (not cheap but really good and decent
support from the manufacturer) can run indefinitely at the full-power
rate. I confirmed this with the manufacturer.
Another option is to install a 48V 20A DC power supply to be run off the
generator. They are available and are not very expensive. However,
they will not properly charge a battery so be careful of leaving such a
device in parallel with your battery bank while running on the generator
for extended periods. I guess making sure the power supply's output
voltage is not higher than the battery bank's charging voltage would
ensure that you don't ruin a battery bank by over-charging.
/Jason
On 2014-09-07 11:43, John Acord jcacord@gmail.com [electricboats] wrote:
> Lots of good info, thanks to both posts.
>
> No, I do not have a thru hull shaft, just the outboard and have been
> leaning that way. Also the boat is rather flat bottom and room under
> the cockpit is rather limited. I would most likely do the conversion
> of an existing outboard rather than buying one. The brushless
> conversion packages look attractive although for the way I use the
> boat (mostly slow speed) a brush motor probably would give good
> results.
>
> One concern is the available gear reduction in an existing outboard.
> I am more interested in low speed operation, docking and getting out
> of the harbor, so it seems that a gearing of 2.5:1 to 3:1 might work
> better. Also sizing the prop might be an issue with an outboard.
>
> Battery weight is the big one for this boat. How well would it work
> to have a moderate battery bank and use a generator when longer
> distances would be traveled. Does an ac gen set powering the
> battery charger work to supplement the system current?
>
> John
>
> --
> Flatwater Electronics
> www.flatwaterfarm.com [1]
> "Neurosurgery for computer looms."
>
--
Jason Taylor
--
S/V Fugu
1978 Beneteau First 30
Electroprop PM-20
Posted by: Jason Taylor <jt.yahoo@jtaylor.ca>
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