On 4/1/19 3:48 PM, Ron Solberg via EV wrote:
We like it as it is.
Well.... back to your question. Presumed to be "Can I clean up a square wave inverter power to something acceptable to my onboard Tesla charger?" I'm out of my depth. Surely Lee has ideas.
In the past, I believe I've seen him recommend a motor-generator to change the characteristics of alternating current. Perhaps a motor that is happy with your existing inverter that drives a generator that gives power acceptable to the Tesla charger. I have no experience but have the impression that that might be a big, heavy, and expensive solution.
You might also add a better alternator that is powered from your battery pack. That is, in parallel with your existing inverter.
Just to satisfy my interest: Is this a off grid place? Occupied year round? Primarily AC demand? Or DC? 48v battery bank?
After working with Grid/Wind systems since the 1980s, we have determined that Grid intertie does not work for us. Likewise, A Tesla Model 3 might not work for many other folks but does for us.
What grid tie problems have you encountered? I can not imagine that a Tesla would not work for everyone.
Also, when I asked about the PowerWall at Eden Prairie,MN I was told they did not work outside the Metro area.
If you talked to Tesla, you should consult an installer. I ordered a PW from Tesla when they were first offered over two years ago. I'm still waiting for it. Last year, I talked to an installer who is able to buy PWs from Tesla and had one installed within three months. My second PW from an installer is scheduled for installation in May.
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