Thanks Darryl, Yea, it used to be two separate 200A services. At some point, someone decided to turn one of those panels into a sub and run it all of a single service. Regarding paralleling Radians, I know that the max solar input when AC coupled is only 6kw for an 8kw inverter. When they are paralleled, does that jump up to a single 12kw input, or are you just limited to two 6kw inputs?
Cheers, Dave *Dave Tedeyan, PE* Senior Engineer | Taitem Engineering, PC 110 South Albany Street | Ithaca, NY 14850 o. *607.277.1118 x121* f. 607.277.2119 www.taitem.com Solar • Sustainability • Energy • Design B-Corporation Best for the World 2018 Honoree On Fri, May 3, 2019 at 9:27 AM Darryl Thayer <darylsol...@gmail.com> wrote: > the 2 each 200 Amp panels is to overcome the 42 circuit limit in one > panel. must be a big house. This sounds like a whole house backup. you > will need a transfer switch much like a whole house generator switch unless > your customer needs TOU or some other grid service. > > For the AC coupled paralleled Radians or XW6848 and have a turn off for > one or both of the SB inverters based on battery voltage (SOC). > > On Fri, May 3, 2019 at 7:58 AM Dave Tedeyan <dtede...@taitem.com> wrote: > >> Hi All, >> >> Does anyone have a good recommendation for an AC coupled energy storage >> solution for someone who has a 27.6kw array with two SE11400A-US inverters? >> The output of one of those inverters is more than a Sonnen or Radian can >> handle (which is what I am most familiar with). >> I am not sure yet whether this will be a whole home backup or just a >> subset of their loads, but they have two 200A panels on a single 200A >> service. >> >> Thanks, >> Dave >> >> *Dave Tedeyan, PE* >> Senior Engineer | Taitem Engineering, PC >> >> 110 South Albany Street | Ithaca, NY 14850 >> o. *607.277.1118 x121* f. 607.277.2119 >> www.taitem.com >> >> Solar • Sustainability • Energy • Design >> B-Corporation Best for the World 2018 Honoree >> _______________________________________________ >> 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 >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> >> _______________________________________________ > 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 > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > >
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