Max AC input is 7.6 kW AC for 10 seconds. If you are designing a system to function off-grid you will want to size your AC input at 5kW as this is the continuous max charge. Anything above 5kW for longer than 10 seconds and the Powerwall will throttle back PV via frequency shift.
On Wed, Jul 22, 2020 at 3:50 PM August Goers <aug...@luminalt.com> wrote: > Tesla's guidelines are 7.6 kW inverter AC rating. > > August > > > On Wed, Jul 22, 2020 at 12:18 PM Dave Angelini Offgrid Solar < > offgridso...@sti.net> wrote: > >> Schneider uses 1.25 max on an XW for Ac coupling. That would be 1.25 x 6 >> kw or 7.5kw max from the grid inverter when ac coupling. >> >> I doubt your numbers would work well with a 5kw internal powerwall. Maybe >> if you had 2 poweralls? Better get info from Tesla or the installer on >> Wrenches. Good Luck! >> >> >> >> *Dave Angelini Offgrid Solar >> "we go where powerlines don't" >> http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/> >> e-mail offgridso...@sti.net <offgridso...@sti.net> >> text 209 813 0060* >> >> On Wed, 22 Jul 2020 07:24:48 -0400, r...@solartechvt.com wrote: >> >> Considering the lack of public info available for the Powerwall, does >> anyone have any insight into the AC coupling limits for a single Powerwall? >> >> For example, can we AC couple 10kw Solar Edge to a single Powerwall? >> >> Thanks >> >> Rich >> >> >> >> *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] *On >> Behalf Of *Ray >> *Sent:* Tuesday, July 21, 2020 8:39 PM >> *To:* re-wrenches@lists.re-wrenches.org >> *Subject:* Re: [RE-wrenches] Tesla Powerwall 2.0 - Experience?/Generator >> charging >> >> >> >> That's going to be long extension cord for most off grid projects....... >> >> Ray Walters >> >> Remote Solar >> >> 303 505-8760 >> >> On 7/21/20 12:11 PM, Matt Partymiller wrote: >> >> Jay, >> >> >> >> The Tesla Gateway has a 12v input terminal for boot up. To startup my >> off grid Powerwall we wired in a 12V power supply to the input terminals >> and plugged the other side into a grid-connected outlet. >> >> _______________________________________________ >> 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://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> 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://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > -- Chris Sparadeo C_802-369-4458 H_802-728-3059
_______________________________________________ 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://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
