I also suggest the Sol-Ark 12’s. Extremely efficient, simple to program, does a 
wonderful job in either ac coupling, stand alone or pure off grid and terrific 
customer support.



Peter Giroux

ASAE



From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> On Behalf Of 
Bryan Norkunas
Sent: Tuesday, September 8, 2020 1:50 PM
To: 'RE-wrenches' <re-wrenches@lists.re-wrenches.org>
Subject: Re: [RE-wrenches] Microgrid... Outback or SMA or other?



Sol-Arks would be possible, you can link 8 inverters.



Bryan

PV-Cables













From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of Chris Schaefer
Sent: Tuesday, September 8, 2020 10:40 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Microgrid... Outback or SMA or other?



I'd suggest giving the crew at Sol-Ark a quick call @ 972-575-8875 with their 
12kw unit. Not sure what their max number of inverters are.



Christopher



On Tue, Sep 8, 2020 at 1:14 PM Kienan Maxfield <maxfieldso...@hotmail.com> 
wrote:

Hey all, I'm designing a microgrid sized off-grid system for somebody, and I'm 
just wondering if anyone knows of any issues with the following designs...



The client says he needs 70 kW. His load data looks pretty solid, so I'm 
sticking to using that number as a minimum, at least during the initial 
proposal stage. I only know of two possible equipment options for this size 
range...



1.      I think I can use up to 10 Outback Radians, for up to an 80 kW system. 
Are there any bugs or problems with using this many inverters on one hub? I 
know I've read about issues with selling to the grid, but that's not an issue, 
this is off-grid.
2.      I know that the SMA cluster box with sunny islands can allow for up to 
a 72 kW system. Do you know of any bugs or problems with this system?





Are there any other options that anyone would suggest? Schneider's website says 
they can only do up to 61 kW, and Victron can only do up to 60 kW.





I know that the Outback system would yield a 240/120 Split-Phase system and 
that the SMA would yield a 208/120 3Ø system, but this doesn't really matter 
either way for this job.



Thanks so much,

Kienan





Maxfield Solar

 <mailto:maxfieldso...@hotmail.com> maxfieldso...@hotmail.com

(801) 631-5584 (Cell)

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Chris Schaefer’s
 <http://www.solarandwindfx.com/>
Tel/Fax 585-229-2083 or Cell 585-748-1870
5115 South Hill Road ~ Canandaigua New York 14424
www.solarandwindfx.com <http://www.solarandwindfx.com>  ~ E-mail: 
ch...@solarandwindfx.com <mailto:ch...@solarandwindfx.com>



Thomas Jefferson, the author of our great Constitution, once said, "democracy" 
will cease to exist when you take away from those who are willing to work and 
give to those who would not."



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