You could get a 120vac grid tie inverter. Those typically have a mppt front end
that boosts or bucks to a nominal 180vdc before inverting to 120vac.
Connect the two 180v dc buses and you're good to go.
Having a bit of storage capacity on that dc bus would be ideal for starting
Sent from BlueMail
On 6 Oct 2017 21:39, at 21:39, Robert Bruninga via EV <email@example.com> wrote:
>I want to develop a way to charge an EV from a Solar array when the
>is down cheaply.
>My thiking is that typical modified sine 12v/120VAC inverters do their
>inversion first from 12VDC to high voltage DC first, and then they chop
>to make it modified sine.
>If that is the case, it should be possible to inject high votage DC
>the solar panels at that same point and produce the same 120VAC. This
>then can drive any standard 120v EVSE.
>We can tap into solar panels in increments of 30 VDC and should find
>close. The problem will be the starting process to bring the VOC down
>the Vmax that matches the HV in the inverter.. That can be done with a
>trivial big resistive load a few caps and then transfer relay maybe.
>Please discuss EV drag racing at NEDRA
-------------- next part --------------
An HTML attachment was scrubbed...
Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)