Why is this an inverter problem ? If there's no load, then there's no
current through the inverter. I'm not sure what the effect is on the
solar cells, themselves, but it seems that's where the problem ends up.
Regardless, I assume it is not too bad for the cells since they have to
be designed to produce current sometimes and sometimes not, even while
in full sun.
Peri
<< Want to know about the effects of leaf blowers ?
https://quietcleanseattle.org/ >>
------ Original Message ------
From: "Willie via EV" <ev@lists.evdl.org>
To: ev@lists.evdl.org
Cc: "Willie" <wmckem...@gmail.com>
Sent: 27-May-20 12:10:32 PM
Subject: Re: [EVDL] : V2g for DIY EV's
On 5/27/20 1:01 PM, Jay Summet via EV wrote:
On 5/26/20 10:55 PM, Alan Arrison via EV wrote:
Sounds dangerous and possibly illegal. There is no inverter that can supply the
actual power you are using and not back-feed the grid.
It is technically possible, all you would need is a current sensor on the main
house feed. If the current is going in, your inverter would start adding
current to the house wiring until the current flow reached zero. With modern
electronics you could react very quickly if the draw dropped (current flow
started to go negative) and essentially never backfeed the grid.
BTW, I believe someone mentioned that the not produced power when an inverter "cuts
back" must be dissipated somewhere as heat. I don't believe that is the case; I
believe the inverter can just not produce the available power with no heat generation.
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