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altonsolutions.com

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  1. Yes, In "Orientation" select a tracking "Field type." From the main Project Page. Click the "Simulations" Button. Then Click "Output File" In the "Definitions for Exporting ASCII files" window click the "Add variable" button. Then click the plus button next to "Solar geometry" Then select the tracking angle you desire in the output file. Click the double arrow between the input boxes to add it to the variables written to the file. Click the "Close" button below the "Variables to be written on file" input box. Make sure the "Output on filename" radial button is selected. It sometimes switches after changing parameters. Then click the "OK" button. The next time you run a simulation the tracker angle you selected will be in the 8760 output file. I hope this helps.
  2. I have developed some tools that help me define ground in PVsyst by using two different methods. One way is by creating the surface with many elementary shading objects(like triangles) that approximate the surface. I do this by creating a transformation procedure from survey data to PVsyst elementary shading objects. This transformation procedure is an algorithm that determines the appropriate position, angles, and lengths of elementary shading surfaces (like triangles) to make the desired surface. This method has not proven to be worthwhile to make a ground surface globally because the many objects that are required to make the surface also make PVsyst very very slow to operate. I only use this method for specific ground locations that might cause shading. The other method is more technical than the first method and is hard to describe in this forum. However, this method can be used to make more global surfaces and does not make PVsyst slow to operate. I have had a lot of success with this method. In addition to drawing terrain surfaces, I have developed some tools that make it really easy for me to translate AutoCAD geometry to PVsyst. For example, these tools take the AutoCAD geometry and determine the relative placement of all the PV planes, Trees, and shading objects in terms of PVsyst quantities (positions, lengths and orientations). Using these tools I have reduced PVsyst modeling time on a specific project from a week to about three hours with higher fidelity to the original AutoCAD file.
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