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PostPosted: Wed Jun 27, 2018 5:38 pm 

Joined: Wed Jun 27, 2018 4:19 pm
Posts: 1
When I import a 3D near shading scene from Helios3D, PVSyst (version 6.72) changes the azimuth angle from 0° to 1°. I can manually change it back to 0° in the Orientations menu and Near Shadings menu, but when I run the simulation again, PVSyst changes it back to 1°. I am assuming that this is a cosmetic issue in PVSyst and the actual calculations are not affected since the shading table appears to be the same, however, need confirmation that this is the case.


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PostPosted: Fri Jul 06, 2018 11:27 pm 
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Joined: Mon Apr 16, 2012 7:29 pm
Posts: 1460
The Helios3D systems are usually defined with a baseline slope om a hill. This changes the true orientation of the plane of each table.

Please see our FAQ With tilted roofs, PVsyst changes my orientation


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PostPosted: Tue Jul 10, 2018 11:06 am 

Joined: Fri Mar 27, 2015 4:26 pm
Posts: 23
Location: MUC
jeffmosbacher wrote:
When I import a 3D near shading scene from Helios3D, PVSyst (version 6.72) changes the azimuth angle from 0° to 1°. I can manually change it back to 0° in the Orientations menu and Near Shadings menu, but when I run the simulation again, PVSyst changes it back to 1°. I am assuming that this is a cosmetic issue in PVSyst and the actual calculations are not affected since the shading table appears to be the same, however, need confirmation that this is the case.

maybe it is also an issue raised by "true north vs. grid north" pls see here: https://en.wikipedia.org/wiki/Grid_north


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