We've had great luck using the Tigo (and SMA) optimizers with SolArk to conform to NEC2017 and CEC2018.
> There is a huge distinction in a hybrid inverter that integrates MPPT > charge control. Eliminating all of the extraneous hardware and circuit > protection associated with charge controllers is very appealing. The 500V > input limit is also a game-changer in terms of wire size. I'm very > interested in this approach. > > On the flip size, an AC Coupled approach is also appealing in a lot of > circumstances. Since Sol-Ark supports that, too, it's hard to find > downsides other than their infancy in the industry. > > And for what it's worth, my experience with SMA tech support recently has > been abysmal. Long hold times and getting bounced around departments. > > Jason Szumlanski > > > > On Wed, Sep 9, 2020 at 9:50 PM Mark Frye <ma...@berkeleysolar.com> wrote: > >> The most important thing here is that no one is standing up to sing the >> praises of either SMA or Outback. >> >> I myself have sent about 2 hours on hold over 2 days trying to get an >> issue addressed by SMA. >> >> Re: Sol-Arc I would pay a lot extra or take some not so good aspect in >> exchange for good technical support. >> On 9/9/2020 1:12 PM, Jason Szumlanski wrote: >> >> Any tips on combining AC output from these units when stacking several >> of >> them? What bus/OCPD system are you using? Same question for >> generator/grid >> input. >> >> The solar MPPT inputs appear to be dead simple. >> >> Jason Szumlanski >> >> >> >> >> >> >> >> >> On Tue, Sep 8, 2020 at 10:45 PM MiJo Nels <spaceshipnels...@gmail.com> >> wrote: >> >>> we've found SolArk to be SOLID!! .. And yes 8 inv yield about 96kW, >>> with >>> a TON of surge capabilities.. >>> >>> Joe Nelson >>> >>> Project Manager C-46/C-10 >>> Sustainable Energy Group Inc., A California Corporation >>> >>> CSL# 868816 >>> www.SustainableEnergyGroup.com >>> <https://mailtrack.io/trace/link/8f0e320b52948f22a9ae9682bd3b5e9dc8d6c68f?url=http%3A%2F%2Fwww.SustainableEnergyGroup.com&userId=1613865&signature=e7d246f94af9a065> >>> 530-273-4422 (Office) >>> >>> 530-217-8385 (Cell) >>> >>>  >>> >>>     >>> >>> >>> ------------------------------ >>> *From:* RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> on >>> behalf of pgir...@mindspring.com <pgir...@mindspring.com> >>> *Sent:* Tuesday, September 8, 2020 1:24:03 PM >>> *To:* 'RE-wrenches' <re-wrenches@lists.re-wrenches.org> >>> *Subject:* Re: [RE-wrenches] Microgrid... Outback or SMA or other? >>> >>> >>> 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 >>> <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* >>> >>> *maxfieldso...@hotmail.com* <maxfieldso...@hotmail.com> >>> >>> *(801) 631-5584 (Cell)* >>> >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> List Address: RE-wrenches@lists.re-wrenches.org >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> <https://mailtrack.io/trace/link/7118772550f67326bf449e9f3105d94b2a7b74b4?url=http%3A%2F%2Flists.re-wrenches.org%2Foptions.cgi%2Fre-wrenches-re-wrenches.org&userId=1613865&signature=e1b83eb5e4f926e7> >>> >>> List-Archive: >>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>> <https://mailtrack.io/trace/link/c5457950749993eaf94dc7f72a33825e6e66fb1b?url=http%3A%2F%2Flists.re-wrenches.org%2Fpipermail%2Fre-wrenches-re-wrenches.org&userId=1613865&signature=0031eb630b917fa3> >>> >>> List rules & etiquette: >>> www.re-wrenches.org/etiquette.htm >>> <https://mailtrack.io/trace/link/863e7b45d70c42504299d435c477fd7ce070a999?url=http%3A%2F%2Fwww.re-wrenches.org%2Fetiquette.htm&userId=1613865&signature=201d4fc86e181859> >>> >>> Check out or update participant bios: >>> www.members.re-wrenches.org >>> <https://mailtrack.io/trace/link/b5c596979aba68fb00e5e571f62bcbaeaadd3618?url=http%3A%2F%2Fwww.members.re-wrenches.org&userId=1613865&signature=b27563b3083d3ceb> >>> >>> >>> >>> >>> -- >>> >>> Chris Schaefer’s >>> [image: Image removed by sender.] >>> <https://mailtrack.io/trace/link/6b69a480ea4449f57c42f803d4a726d5ddf0ccc4?url=http%3A%2F%2Fwww.solarandwindfx.com%2F&userId=1613865&signature=6bb84a96dad38d97> >>> >>> *Tel/Fax 585-229-2083 or Cell 585-748-1870 * >>> *5115 South Hill Road ~ Canandaigua New York 14424 >>> www.solarandwindfx.com >>> <https://mailtrack.io/trace/link/864e18304c1425fb0f58d6ed8ea0e16c3e9402d7?url=http%3A%2F%2Fwww.solarandwindfx.com&userId=1613865&signature=87fa9d489354e433> >>> ~ E-mail: **ch...@solarandwindfx.com <ch...@solarandwindfx.com>* >>> >>> *[image: Image removed by sender.]* >>> >>> 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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