external chargers for Outback [RE-wrenches]

[Bruce Erickson]

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Hi Jay,

The grid's already there. The external charger is for extended  
outages which, in our area, always happen when there's no sun.

Bruce Erickson
Mendocino Solar Service
707-937-1701
707-937-1741 fax
PO Box 1252
Mendocino, CA 95460



"Serving the Solar System"





On Apr 4, 2008, at 8:00 AM, Jay Peltz, Peltz Power wrote:

>
> 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
>>
>>
>>
>>
>> --
>> [Non-text portions of this message have been removed]
>>
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