I have to change my current setup from ESS "feed in excess power" to "island mode / inverter priority" as feed-in is no longer tolerated by grid supplier.
As far as I understood the deprecated "self consumption hub 2" with "prevent feedback to grid" is the only way to control the power of non Fronius PV inverters, connected to ACout, by shifting frequency. ESS does support Fronius only - correct? My Inverter (3,5kWp) doesn't allow true power regulation, but as a workaround I can at least switch it off, by setting the upper frequency limit.
I understand this is not the best setup but I need a solution asap.
I plan to connect the loads to ACout1. Average load is 0.5kW, usually not exceeding 3kW.
In case load increases to maybe 4.5kW I hope the "Grid Assist", properly set, will handle it.
Battery is LG Chem 6.5
In case the Inverter fails I'd like to have th eoption to manually switch my L1 loads to the grid
Please let me know your thoughts
I skip all the fuses and wiring details, just the principle