How hard would it be to build a battery system that normally supplies
100% of the domestic power but, when depleted, switches over to supply
domestic power from the grid ? Also, I think it would be safe
assumption, or at least a reasonable simplification, to assume that the
battery is always sufficient for the load, except when depleted. The
battery would always be charging from a solar array, never from the
grid.
It seems to me, a system like this would completely circumvent any
negative conditions imposed by power companies. Of course, once the
solar panels fill the battery, excess production is lost.
Peri
------ Original Message ------
From: "Robert Bruninga via EV" <ev@lists.evdl.org>
To: "Electric Vehicle Discussion List" <ev@lists.evdl.org>
Cc: "Robert Bruninga" <bruni...@usna.edu>
Sent: 14-Jul-19 4:54:09 AM
Subject: Re: [EVDL] Solar off grid with an EV? (transformers)
For what it is worth... For off grid or backup power,.I have some 500W and
2500W 120 VAC to 240VAC transformers. Great for stepping up a single phase
120v generator to 240 VAC for a well pump or other emergency power needs.
https://baltimore.craigslist.org/ele/d/glen-burnie-v-transformers/6928546512.html
$30. Baltimore area. Will not ship.
On Sun, Jul 14, 2019 at 12:40 AM Michael Ross via EV <ev@lists.evdl.org>
wrote:
I get all that because I have panels and a net metering plan with Duke
Power. As I said it depends on whether your utility supports what you want
to do. Clearly, YMMV.
I personally could do exactly as I described. If I had an EV that needed
charging regularly, I could put up a ground based array of microinverter
120VAC output arrays, and add to them pretty much at will. If I over
produced then Duke would bank it. In the billing month that contains May 31
they would zero out any bank I had developed. I could live with that.
<
http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail
>
Virus-free.
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On Sat, Jul 13, 2019 at 7:06 PM Mr. Sharkey via EV <ev@lists.evdl.org>
wrote:
> >>We're going back to the way intertie started off decades ago. The
> utilities
> imposed impossible technical and insurance requirements on net metering,
> which led PV hobbyists to start the Guerrilla Solar movement --
essentially
> doing grid intertie on the sly.
>
> This is veering around and nearly clipping the Off-Topic guardrails,
> but because you brought it up:
>
> At least one to-be-left-unnamed EV driver and solar enthusiast was
> guilty of participating in that clandestine program:
>
> http://www.westlanetv.org/~sharkey/gsolar.pdf
>
> And here's what happens when the utility figures it out:
>
> http://www.westlanetv.org/~sharkey/Amnesty_for_Solar_Guerrillas.pdf
>
> (see lower right of first page, and upper left of second)
>
> I, er this guy, got off easy, they could just as easily sic'ed the
> County permit and inspection authority on me, uh, him, threatened
> utility power disconnect, or applied other punitive sanctions such as
> a retroactive energy charge of their own estimation. In the end , all
> the utility wanted was to stop being annoyed by the alarms and alerts
> in the new software program that they were running to administer the
> smart meter program for 79,000 customers.
>
> Before I go, R.I.P. to friends Richard and Karen Perez, and goodbye
> to Home Power Magazine, which ceased publication in October of 2018.
>
> ____________________________________________________________
> Drink This Before Bed, Watch Your Body Fat Melt Like Crazy
> Diet Insider
> http://thirdpartyoffers.juno.com/TGL3131/5d2a63e484ff63da646est01vuc
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>
>
--
Michael E. Ross
(919) 585-6737 Land
(919) 901-2805 Cell and Text
(919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Tablet,
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