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Possible inconsistency with the orientation of modules or cardinal symbol, Near shadings to Module layout


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Firstly, please note all my designs are in the southern hemisphere.

I have a design where I have:

  1. laid out the modules for each MPPT within the “Module Layout” tab such that PVsyst can calculate the electrical mismatch losses, and
  2. created a “Near Shading” model.

However, the graphical module locations in the “Module Layout”, relative to the “Near Shading” model are rotated by 180 degrees, as defined by each diagram’s cardinal direction pointers. It seems the cardinal pointer in the “Module Layout” is flipped by 180 degrees? For example, when I run the “Module Layout” shadings animation, the western modules are shaded in the morning and the eastern in the afternoon, as indicated by the cardinal direction pointer in the diagram. (see attached video)

Please see the attachments

  • 1.png – comparison of layout from “Near Shading” and “Module Layout”
  • 2.mp4 – Shadings animations video

I assume the only problem is that the cardinal pointer on the “Module Layout” diagram is flipped by 180 degrees and all the underlying calculations are all correct?

For now, I have assumed this is the case and flipped my strings.

Thank you very much.



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