external chargers for Outback [RE-wrenches]

Jay Peltz, Peltz Power jay at asis.com
Fri Apr 4 08:00:36 PDT 2008


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Hi Bruce,

Curious why you don't use the internal chargers in the Outbacks?

jay

peltz power
On Apr 3, 2008, at 11:10 PM, Bruce Erickson wrote:

>
>
> Hello All,
>
> What have people used/been happy with when you need a large  
> external charger for a grid-tied Outback system? We installed an  
> IBE  24GPU70 to generator charge 2 strings of 390 ah Trojans, and  
> the thing seems to be very inefficient. Looking over the IBE sizing  
> chart and comparing AC kw required for various continuous DC  
> outputs, the efficiency seems to be in the 50-60% range, which is  
> about what we observed in our system. Is there anything else out  
> there that can deliver around 100 amps DC with reasonable  
> efficiency and reliability?
>
> Bruce Erickson
> Mendocino Solar Service
> PO Box 1252
> Mendocino, CA 95460
> 707-937-1701
>
>
>
>
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