We have a 5kva MP setup with a 5kw fronius grid tie inverter.
We see the ve bus voltage to be very erratic during sunny hours of the day when the battery is full.
The battery voltage is stable but the VE.BUS voltage go as high as 64Vdc, causing a output voltage imbalance and the inverter trips out.
It is a 5kwh BSL battery with comms to the gx device.
What can cause this issue?dc bus.png,