Sunny Boy 6000U [RE-wrenches]

[Dean T. Newberry]

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Marco,

I use the string sizing program under the Design Tools menu at 
http://www.SMA-America.com/
or go directly to http://www.sma-america.com/stringsizing.html
Dig around in the program, and test different minimum and maximum 
temperatures. The predicted outputs page has lots more info.
I include a print of the string sizing program as one of my submittals 
to the building department, just to get it in the administrative record 
in case there is any question about that part of my design.
Note: the SB6000 designs include 3 or more strings. If you are using 
only two strings you don't need to fuse them. When you use 3 or more 
strings you must fuse each string.
The inverter needs voltage to start, so a single string that is above 
the minimum voltage will operate the inverter.
The smallest array would use small high voltage modules, try Evergreen 
110-24 that would be 10 modules at 110W ea, or 1100W array.
Keep in mind that many modules get obsolete very quickly, so whatever 
they pick may not be available when expanding the array, or replacing a 
broken module.

cul  deant

cul  deant.

Marco Mangelsdorf wrote:

>Assuming a customer wanted to install a SB 6kW inverter with the idea of
>allowing for expansion in the future, what would be the recommended smallest
>array size (STC kW) for the initial array?
>
>marco
>
>Marco Mangelsdorf
>President
>ProVision Technologies, Inc.
>69 Railroad Avenue, A-7
>Hilo, Hawai'i 96720
>(808) 969-3281, 934-7462 facsimile
>www.provisiontechnologies.com
>  
>

-- 
Dean T. Newberry
Marketing and Sales

Quantum Energy Group
265 Applegate School Road, P.O. Box 158
Applegate, Ca. 95703

Email:  deant at dcn.org

Cell:      530 867-2392
Office:  530-878-4585
Fax:      530-878-6685 

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