Dear Frederik,
Many thanks for your quick response and detailed illustration.
1. I think the 'automatic configuration' only works when the software recognize the convenient inverter size relative to DC installed capacity (or up to specific sizing factor). I have already selected the inverter (video attached). However, 'automatic configuration' is still inactive. To be fair it is not a big problem because the software allows the simulation although a significant 'sizing factor' is introduced. According to my modest opinion, PVsol algorithm should activate an 'automatic configuration' regardless the 'sizing factor' and suggest the maximum modules per MPPT as normal (when inverter size is convenient). Also, as long as 'Crossing out' sign is introduced next to the inverter, automatic configuration won't work.
2. According to PV module specs, Voc=36.8V, Vmp=29.5V and Maximum system voltage =1000V
Using Voc value (worst case scenario), 27 modules will generate 27*36.8= 993.6V < (maximum sys voltage). However, I understand this value is too close to 1000V but the inverter model used (as attached above) can handle up to 1100V per MPPT and therefore the simulation could proceed regardless the warning message below:
To be fair I am 100% satisfied with the software but I think some minor but I think some minor modifications with the algorithm will lead to outstanding performance.
Many thanks in advance Frederik, You did a significant effort!!!!
2022-08-19-14-49-13.mp4