That sounds like a raw deal Sent from my iPhone
> On Aug 14, 2019, at 4:28 PM, Bobby Keeland <[email protected]> wrote: > > Our grid-tied inverters just mostly shut the solar panels down when the grid > is down. As long as the sun is shining we have two special outlets that will > have power after we switch them on to power them. These special outlets have > no power when the grid is working. When the grid is back up we then switch > those outlets back off and plug freezer back into a regular outlet. This > solar module/inverter system was installed in 2014. > >> On Wed, Aug 14, 2019, 2:06 PM paul dove via EV <[email protected]> wrote: >> I thought grid tied inverters shutdown the solar panels when no grid power >> is detected. >> >> >> On Wednesday, August 14, 2019, 12:50:01 AM CDT, Cor van de Water via EV >> <[email protected]> wrote: >> >> All grid tie central inverters (so, not the micro inverters) take input >> voltage above 400V so they can direct switch the AC output without >> transformers. Input is typically up to 1000V these days. >> I plan on installing solar strings of at least 400V so that I can always >> charge my EVs by direct wiring the panels to the battery, in case there is >> no grid and I need energy in my EV. >> I also have a large UPS that is intended to run with 2x 192V lead-acid >> batteries (it is an older model double conversion UPS) so I am planning to >> connect it to a Leaf pack with center tap so it can both charge the pack as >> well as island like any UPS to feed any critical loads in the house. I need >> to see if it has the power saving setting where it is not always double >> converting (wasting power) and just keeps the battery charged, but feeds the >> incoming power through until there is a power loss, then it instantly starts >> converting battery power to output without even losing the output. >> With such a setup, it would be possible to use solar in 2 ways: DC only to >> directly charge the UPS batteries (but needs overcharge protection and waste >> power as soon as batteries are full) or the usual string inverter generating >> AC to feed back into the grid and independently run the UPS to keep the >> batteries charged and generate uninterrupted power. Only drawback is that >> during an outage, the solar inverter trips and does not generate power, but >> this should happen only rarely. >> >> Cor. >> >> Sent from Mail for Windows 10 >> >> From: Robert Bruninga via EV >> Sent: Tuesday, August 13, 2019 7:06 PM >> To: Electric Vehicle Discussion List >> Cc: Robert Bruninga; jkenny23 >> Subject: Re: [EVDL] FW: PowerWheels idea (Vehicle-to-home) >> >> Thaniks. Yes, I got it wrong. I updated the web page . >> >> So now a use leaf is about 2.3 power walls but a bit over half the price. >> Thanks for the tip. >> >> bob >> >> -----Original Message----- >> From: EV <[email protected]> On Behalf Of jkenny23 via EV >> Sent: Tuesday, August 13, 2019 6:31 PM >> To: [email protected] >> Cc: jkenny23 <[email protected]> >> Subject: Re: [EVDL] FW: PowerWheels idea (Vehicle-to-home) >> >> Minor correction, your 3 year old Leaf is only 30kWH max (with less >> actually usable, limited by on-board BMS). It would only take a bit of >> clever reverse engineering to make use of ChaDeMo capable Leafs by >> controlling the contactor to close and feeding a high voltage solar grid >> tie inverter (I believe there are models that can use up to 400V already). >> Then you could use up to 20kW comfortably. >> >> -- >> Sent from: http://electric-vehicle-discussion-list.413529.n4.nabble.com/ >> _______________________________________________ >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> Please discuss EV drag racing at NEDRA >> (http://groups.yahoo.com/group/NEDRA) >> _______________________________________________ >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) >> >> >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: >> <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20190813/7ad6c2b3/attachment.html> >> _______________________________________________ >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) >> >> >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: >> <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20190814/9797a9d5/attachment.html> >> _______________________________________________ >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) >> -------------- next part -------------- An HTML attachment was scrubbed... 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