I do think it would be worth considering to beef up the 120 Volt plug output capabilities of many BEVs and PHEVs. I don't know if there are signficant drawbacks such as general wear and tear on the vehicle battery, as is a concern in general with all V2x, as I understand it.
On Tue, 30 Jul 2019 09:22:21 -0400, Robert Bruninga via EV <[email protected]> you wrote: >I am amazed that EVs and hybrids do not inherently install 120v AC outlets >in the front and back of every car for VEHICLE-TO-OUTLETS.. (VTO) It would >only cost them maybe $99 per car to add a 1 kW or better inverter. Shucks, >they could even make a profit and charge for it as an option. > >But it is ridiculous to be driving around every day in a 50 kW generator or >in a car with 60 kWh of battery capacity and not be able to plug stuff in! >Bob, Wb4APR > >-----Original Message----- >From: EV <[email protected]> On Behalf Of Ing. Marco Gaxiola via EV >Sent: Monday, July 29, 2019 10:59 PM >To: Lee Hart <[email protected]>; Electric Vehicle Discussion List ><[email protected]> >Cc: Ing. Marco Gaxiola <[email protected]> >Subject: Re: [EVDL] V2H > >I believe there may be two main reasons: > >a) is that they may be waiting the right moment, that will boost other Tesla >news etc. Probably when launching the truck. > >b) may be more of a complex software and business strategy to successfully >deploy it among all existing M3 owners and especially EV fleets. Like for >example: updating the car software to show new screens with graphs and >databases with buy/sell schedules while plugged in, similar the phone and >web apps to monitor KWh/$ earned. And of course Including legal just like >Lee Hart mentioned it. I know all commercial grid tie products in the >market, must pass certain electrical tests to ensure they can safely >disconnect in case of over/under voltages, changes in frequency, etc. > >And I can also see two different approaches: one would be the grid tie >service (I believe this will be the biggest target) and the second will be >off-grid to give the M3 ability to work as a stand-alone AC generator (power >blackouts, camping, etc.) > >The firs one could also easily even work without any house electrical >modification, everything thru the L1 or L2 EVSE. > >As a power generator, EVSEs would have to be different than actual ones to >receive power from the M3 before powering AC devices. Or maybe they will >come up with a special AC outlet that will plug right into the charge port. > >It could even work like Rivian, to provide charge from one M3 to any other >EV on the road. > > >With regards the cost, I actually was surprised the way they designed the >whole penthouse area (how I heard its been called); they packaged the >onboard charger and DC-DC converter into one sole PCB, and next the HV >contactors and a country/region AC adapter PCB, saving lot of money on >individual HV and LV wiring and connectors, avoiding use of individual >cooling loops, coolant hoses & fittings, mounting brackets and die-cast >metal enclosures like most other OEMs use to do (individually packing each >component, find a mounting location and then interconnect everything) > >They used only one piece cold plate to remove heat from all hi-pwr >semiconductors, transformers and coils, the design from my point of view was >awesome and the best Ive ever seen. > >Probably the bi-directionally feature may add cost, yes. But all other >improvements and efficient packaging they did seems to me that they beat all >competitors cost over all. > > > > >Sent from my iPhone > >> On Jul 29, 2019, at 1:27 PM, Lee Hart via EV <[email protected]> wrote: >> >> From: Alan Arrison via EV <[email protected]> >>> It seems odd Tesla would have that capability available and not >>> mention it. It seems like it would add cost. >>> >>> I was thinking more about an off board inverter that would connect to >>> the vehicle fast charge port. >> >> >> Perhaps it is a legal issue? In most parts of the US, the local power >> companies sought (and were granted) a legal monopoly on selling >> electricity. 100+ years ago, they wouldn't wire your city unless you gave >> them a monopoly on selling power. >> >> So pushing power back into the grid has been interpreted as "selling" >> power by some lawyers. >> >> >> -- >> Excellence does not require perfection. -- Henry James >> -- >> Lee A. Hart http://www.sunrise-ev.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) >_______________________________________________ >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)
