On Tue, 2007-06-12 at 14:20 -0300, rlistas wrote:
> Hi
> 
> I have a big problem here and need some help.
> 
> I have a battery bank with 4 series connected batteries (4x12v) giving 48V
> connected to a charging system designed for 48v (a current source).
> 
> I need to connect this bank to a 24v DC AC inversor.
> 
> How is the optimal way (if it is possible) do solve this problem ?
> 
> We have to consider the fact that the batteries must be
> discharged simultaneously, because they are charged
> simultanously (in series).
> 
> Any suggestion will be welcome.

Since you don't specify what "optimal" means: In my mind the "optimal"
solution is to either replace the current source with one designed to
charge a 24V bank, or replace the inverter with a 48V input inverter.

TTYL

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