I have a grid-tied, DC-coupled 3-phase system with Multiplus-IIs, running with ESS.
My issue is that the system seems to throttle solar production rather than feeding in excess.
I have been running it with feed-in disabled for good while but I'm now approved for feed-in and so have changed the settings in the Cerbo.
Grid setpoint is normally at 0W but the other day, the battery was around 98% and just taking a trickle, sun was shining and when I changed the setpoint to about -500W, the solar production immediately ramped up. No scheduled charging active.
Any ideas of what might cause this throttling?
Could it be firmware-related?
DC-coupled PV - Feed in excess is enabled.
Feed-in limiting is off
Charger and Inverter power are not limited.
Multiphase regulation is set to total of all phases.
ESS Mode is Optimized (without BatteryLife)
Standard european grid code is selected.
3x Multiplus-II 48/3000 in 3-phase configuration, Firmware version 501
1x Smartsolar MPPT 450/100 and 2.4 kWp of solar panels. Firmware 1.11
Cerbo GX running firmware 3.00
SmartShunt
10 kWh stack of Leaf batteries, 14s