Hello.
In the most recent version of PVsyst 7.4, the use of Huawei optimizers mandates only connecting a single string to each mppt. This should be correct only for the new model of Huawei optimizers (MERC 1100 and 1300W). The older optimizers (450 and 600W-P) should not have this limitation as they can be (as is explicitly stated in the manufacturer's user manuals) connected to a single MPPT in paralel, meaning two strings with partial or full set of optimizers can be connected to a single mppt (bearing in mind the other important rules that the manufacturer states). I have also tested this the older version of PVsyst (7.3) and the limitation for single string/mppt was correctly not present in that version, only in 7.4.
I would like to ask that this problem is looked at and if possible corrected for the SUN2000-450W-P and SUN2000-600W-P optimizers. And if possible, if the newer version of 450W optimizers (P2 instead of P) could be also added to the Huawei optimizer database.
Thank you in advance.
R. P.
