Limited grid power with inverter boosting

Hi! I’m new in this community and semi new using the equipment. I have just finished the built of my 3phase, 45kWh ESS system and have a few question about power output from the system.

If I set the max input from grid to 10A per inverter (one per phase), will the inverter automatically boost from the battery if the house needs more than that?

Is their a easy way to control the max input from grid parameter to control when the inverters battery is used and not and how much?

When calculation max input to house from the system, can I roughly calculate it from “max input from grid” + max continuously input from inverter? or will the inverter happily go up and give max peak until for instance a temp alarm goes off?

Thanks in advance!

It will do so if you have “PowerAssist” enabled.
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Great! What does it mean with boost factor, seems like a multiplier?
If I want max 10A from grid and the rest from battery, what should the power factor set to?


Any more the wiser? This is one of those things best left alone unless you have ‘last resort’ needs for a special problem.

For the AC Input setting, it’s easy just to do it from the GX, as your ESS is tuned there too. Be aware though that there’s a minimum setting particular to your specific inverters, so if your setting won’t stick you’ve probably reached it.

Keep in mind that the power output of the system is limited to the maximum that can be supplied by the inverter alone when the grid is not present. This generally means shedding some loads either using the AC 2 output from the Multis for noncritical loads or using some other load management system (could be manual).

Thanks Kevin, damn. I thought it could handle what the transfer switch could handle…you mean that for the system the output is limited by what the inverter (power from battery) can perform?

So grid plus inverter/battery can not be more then the inverter rating. So 5kVA for my MultiGrids?

No, Kevin didn’t say that. He was pointing out how to deal with Grid loss. Normally they add together.