The drawback is the vehicle onboard charger. Sent from my iPhone
> On Jul 31, 2019, at 1:46 PM, Josh L via EV <[email protected]> wrote: > > 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 it’s 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 I’ve 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) > _______________________________________________ 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)
