chuang
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Posts posted by chuang
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Dear Oliosi
Sorry, I have one more question. When simulating "Height above ground" in PVsyst as shown in the figure below, theoretically, for bifacial modules, the higher the modules, the more direct sunlight should enter below the modules, and the global value should increase. Why does it tend to level off in the simulation when the height is above two meters?
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Understood. Thank you very much for your response.
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The question is, currently, is it not possible to study how obstacles on the ground affect reflection and simulate the electricity generation of bifacial modules?
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Simulation of Bifacial Solar Generation with Ground Placed Shading Structures
in Simulations
Posted
Dear Oliosi
Sorry for asking a silly question.
The issue should be related to the values of "global on ground," as shown in the figure below. As you mentioned in your previous response, when the height of the solar modules increases, the reflected sunlight on the ground increases. This means that the value of "global on ground" should increase, right? Then, why, in the figure below, does the value of "global on ground" decrease when the height increases?
(From my current understanding, increasing the height does not increase the direct sunlight passing through the gaps between the modules, but it should increase the direct sunlight from the sides of the modules. Like second dialog shown below)