I'm using
- VenusOS 2.73 on Raspberry Pi
- ESS
- Multiplus II 48/3500/35
- SmartSolar Charger MPPT 250/70 rev2
- Pylontech US2000C batteries (7.2kWh)
When the Multiplus II is running with high load (DC->AC) for a longer period of time, it gets hot and reduces the maximum power like described here technical notes on output rating, operating temperature and efficiency and here Multiplus-II 48/5000 efficiency curve.
The SmartSolor charger switches from MPPT to Voltage/Current limited mode (as expected).
For the control of the usage of the excess energy (EV charging), I now want to query what the currently maximum power of the Multiplus II is.
Is there any information available what the max. power is - e.g. a Dbus item?
Is there any Dbus item (or another way to read out the information) that indicates that the Multiplus II is running at maximum power? Such a boolean information would be enough.
If the internal temperature of the Multiplus II could be read out, then I could make an approximation based on the mentioned white paper.
Thanks for your help.
