If you can find an off-grid inverter with 300 VDC input then I sure want to know about it! Really... that is the holy grail... All off-grid inverets I see are designed for 48 volts for compatibility with batteries. You only see 300-500 VDC input on Grid inverters since there are no batteries.
Bob On Wed, Jul 29, 2020 at 12:50 AM Luke Scharf <lukesch...@clusterbee.net> wrote: > Thanks! I've managed to find https://plugoutpower.com/ and read through > their site. I'll contact them if I have something they might find > interesting. > > I just purchased a GM 2-mode hybrid pickup truck, and have been doing > pen-and-paper design exercises to see if adding an electric power takeoff > inverter is possible. > > It looks doable. Figuring out how to tap into the HVDC system under the > hood doesn't look that hard, and finding electrically-compatible parts > (such as an off-grid MPPT inverter which can take a 300VDC input) also > looks fairly doable. > > But, plugging things together is the easy part. There are a lot of > engineering constraints and safety/durability issues which would need to be > thought through carefully. This is a pen-and-paper design exercise for me > for now. > > -Luke > > > On Sun, Jul 26, 2020, 11:34 AM Robert Bruninga <bruni...@usna.edu> wrote: > >> There is a company (called Plugout I think) working on a 3kw and 5kw >> version but best I can tell, they are taking the simple way out. They are >> just taking a normal inverter (designed for HVDC input for Europe (220 >> VAC) and then selling you an autotransformer to convert to split phase 240 >> VAC. >> >> But the weight of a 3 to 5 kW autotransfomer has got to be hundreds of >> lbs. And price goes up to the thousands. >> >> To me it should be a designers dream and huge market, EXCEPT that it will >> require professional hacking to each EV or Hybrid model depending on >> voltage and how hard it is to get access to the HV circuits. The prius >> battery was 220 VDC and pretty easy to get to. No one seems to know how to >> get into a Volt's battery without dropping the entire battery from below. >> >> Bob, WB4APR >> Author ARRL: http://aprs.org/Energy-Choices.html >> >> >> >> On Sat, Jul 25, 2020 at 11:40 PM Luke Scharf via EV <ev@lists.evdl.org> >> wrote: >> >>> Has anyone done anything like Richard Factor's PriUPS, except with the GM >>> 2-Mode hybrid? >>> >>> Thanks, >>> -Luke >>> >>> On Sat, Jul 25, 2020 at 3:25 PM Lee Hart via EV <ev@lists.evdl.org> >>> wrote: >>> >>> > redscooter via EV wrote: >>> > > I want to do a prius 12vdc battery to 120 vac invertor. which of the >>> > prius >>> > > can do this meaning, turn the car on, turn off all the extra loads, >>> turn >>> > > on invertor. Which years or gen /s will stay on and keep charging >>> the 12 >>> > > vdc battery?? some talked about using the manal key to lock the >>> doors. >>> > >>> > I have a 2001 Prius, and my son has a 2014 Prius. We really don't have >>> > to do anything special to power an inverter. Just leave the key "on" >>> > with the car in "ready", and the ICE will start and stop as necessary >>> to >>> > keep the 12v battery charged. >>> > >>> > Small inverters (under 100w) can be plugged into the 12v accessory >>> > outlet. Larger ones should be connected directly to the battery with >>> > heavy wires, as they can draw a significant amount of current. >>> > >>> > Bob Bruninga has done a significant amount of work on Prius with >>> > inverters. Check out his website for details and ideas >>> > <http://www.aprs.org/aprs-swer.html>. He's on this list, so perhaps >>> > he'll chime in with more information. :-) >>> > >>> > Lee Hart >>> > >>> > -- >>> > If happiness is on your mind, here's a daily list to find: >>> > - something to do >>> > - something to look forward to >>> > - someone to love >>> > - someone to take good care of >>> > - and misbehave, just a little >>> > -- >>> > Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com >>> > _______________________________________________ >>> > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >>> > ARCHIVE: http://www.evdl.org/archive/index.html >>> > INFO: 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/20200725/6d61d58b/attachment.html >>> > >>> _______________________________________________ >>> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >>> ARCHIVE: http://www.evdl.org/archive/index.html >>> INFO: 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/20200729/158fa882/attachment.html> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/index.html INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)