On Nov 18, 2010, at 12:42 AM, Daniel Clark wrote:
> BTW found something that may work great (or at least as well as
> possible given site limitations) -
> http://www.bdbatteries.com/upskits.php?id=293
>
> An important point is that you can set the current it uses to any
> arbitrary value between 0 and 20 amps, amongst other niftyness.
According to that page, the recharge circuit is:
This inverter has an 35 amp DC battery charger inside the one unit.
This 35 amp unit will recharge the batteries from fully dead, to
topped off, in roughly 12 hours. This means that the unit can fully
reload via the grid from a complete discharge in under 12 hours.
IIUC, during your 12-16 hour charge cycle, you'd have to have an additional 35
amp power feed for this unit, plus the 20 amp circuit that you have that
provides the actual power for the primary systems, and an automatic transfer
switch to cut off power output from the battery pack once mains power has been
restored.
If I'm wrong, then you'd only need one 35 amp power feed total, which would go
into this unit. The unit would then be responsible for taking 20 amps of that
circuit and providing power conditioning, etc... and then feeding it to the
systems during the main charge cycle, and using the remainder 15 amps to
recharge the batteries.
--
Brad Knowles <[email protected]>
LinkedIn Profile: <http://tinyurl.com/y8kpxu>
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