Hello All,
I am a professional electronics/electrician guy, with victron for about 3 years and i have found a situation that id like to share, maybe i am not configuring all properly.
My setup is a MPII 15kVA, MPPT 200A, Fronius gen24 ac coupled, no grid or generator (i have grid but almost never turnit on, lets assume i do not have), 30kwh pylontech batteries, evc’s car charger.
So far between many other brands i tested, i very happy with all the victron “situation” i have where.
Doing some hardcore testing, with a lot of stuff turned on, my evc’s car charger on 32A 1 phase charging and overload protection on, starts to lower the car charging, so far all ok.
The issue is that the system signals “overload” looking to “Ac loads” arround 12kw, but the MPII is supliyng only about 8kw, the rest comes from the ac coupled with fronius.
I was not able to pick a image of the peak load, but i post it anyways for visual representation.
In this case the total is 9.7kw, the MPII is feeding 5.6kw, via MPPT charger/battery, the yellow bar is setup to 50A limit, it seems to show data from total loads and not only MPII.
If i use arround 15kw of ac load, the MPII might supply arround 8kw, in the cerbo the MPII load bar will reflect the 15kw and not the 8kw,(the real MPII load), the EVC’s with the overload protection on will dimm the charging to put the MPII bellow the teoretical value of 15kw, even if it is using lower value?
If i turn the evc’s overload protection off, all throttles to full power arround 15kw, and of course no overload lights on the MPII.
In one hand, i have the ideia that this might be on purpose, because the PV might DIM anything and will not stress the MPII.
In the other hand, the system can explore higher power without dimming the car charging, when/if the PV fails then can start lower the EVCS to match the no overload situation?
Ideias? is this by design or bug?
Should not the MPII in the cerbo show the output power and not the total load? mainly when power diretly via ac coupled fronius?
Thank you in advance.