Hmm. I never thought about it that way. I live in a rural farming area and actually have 480V 3 phase power on my property to run irrigation pumps. The kind of pumps that supply a pivot system that waters 80 acres. That would make a heck of a fast charger!
Mike On August 4, 2016 10:59:37 AM MDT, Lee Hart via EV <[email protected]> wrote: >Russ Sciville via EV<[email protected]> wrote: > >> Surely no-one would wish a Rapid to operate at 240v 1 ph? > >Most assuredly, someone will! The same guy that wants and can afford a >top-of-the-line luxury EV is going to want a top-of-the-line luxury >fast >charger. > >If he's in the USA, he won't have 3-phase power in his home. But he >*will* have 240v 200a single-phase service. That's 48kw if you dedicate > >it all to the charger. > >So, someone is bound to offer such a charger. To make it actually work, > >it will have to sense the home's present power usage, and "throttle" >the >charger to use whatever is available. If the home's other luxury toys >are using 100a, then the charger can draw 100a without tripping the >200a >main breaker. > >Naturally, they will advertise that it "charges at *up to* 48kw to >recharge your Tesla in *as little as* 15 minutes!" (asterisk...) > >The asterisk points to tiny text that no one reads, which says "...if >nothing else is turned on in the house, and the Tesla isn't fully >discharged". > >Personally, if I were doing this... I'd make it a whole-house UPS with >its own bank of batteries. These batteries are charged slowly, during >off-peak hours. If you need a fast charge, they are "dumped" into the >EV. Or, if the AC power to your home goes off, they can provide backup >power until it comes back on. _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Read EVAngel's EV News at http://evdl.org/evln/ Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
