Nicolas T Posted January 17 Share Posted January 17 Hello everyone, I've been running a simulation on the version 7.2.19 and the 7.3.1, and the electrical shading losses are different : 7.2.19 : -3.40% 7.3.1 : -4.99% The variant is exactly the same. I looked at the shading factor tables, they are equal. Does anyone know why I have such a big difference ? Thank you very much Nicolas Link to comment Share on other sites More sharing options...
Michele Oliosi Posted January 17 Share Posted January 17 Hi, we have improved the calculation to account for the size of the bottom cell on each partition. This may indeed change the electrical shading losses. I am however surprised to see that the losses increased. If it's possible for you we could have a look at the variant if you send it over at support@pvsyst.com. You can export the project via the main window > File > Export projects. Link to comment Share on other sites More sharing options...
Nicolas T Posted January 20 Author Share Posted January 20 Hello, I just sent you the project. I did some tests and it looks like the problem comes from the thin objects, when I delete them the loss is the same on both versions. Link to comment Share on other sites More sharing options...
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