Hello wrenches, I have a request to design a modest battery backup system for a residence that has a 10 kW grid-tied Solar Edge system using a single SolarEdge Inverter SE10000A- US. I'd like to try to utilize the solar potential that we have on site. One idea that I had was to use DC relay(s) to cut out a couple strings when the grid was out, dropping the PV input down to about 3kW. Has anyone ever tried this?
I could easily get away with a ~4 kW battery-based inverter and would like to avoid stacking unnecessarily. Solar Edge also offers power output control through radio ripple control. I took a look at this paper on it http://www.solaredge.com/files/pdfs/power-reduction-control-application-note.pdf. Off-the shelf it looks like I would need a computer to control the power output dynamically. Perhaps I could activate the 5V K2 relay with a simple control scheme and drop the power to 30%, but I hesitate to dive in too deep. Anyone worked with radio ripple control? Thanks -- Mac Lewis *"Yo solo sé que no sé nada." -Sócrates*
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