Electronics > Power/Renewable Energy/EV's

AC whole house battery charging based on grid-tied solar output and mains load

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tszaboo:
I've been also searching for AC coupled batteries. I there are some inverters that will do it without panels, only with a battery connected. My plan is to connect to the so-called P1 port on the electricity meter. It's region specific, I don't think I've seen this outside the Benelux countries. So this reports every 10 second my usage/generation. Then use the info from this to control the battery inverter through ethernet, modbus or RS485 or whatever its supporting.
There is no need for current clamps or whatever. My solar inverter is from Solaredge, doesn't support batteries.
But that's OK, because most inverters are only going to support very specific battery brands, and they are not very good in price/capacity. So that's why I think a second inverter for a battery makes sense.

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