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Problem with GTI with tracker input


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Hello,

I am currently working on a project involving GTI irradiance measurements in the field. However, I have observed discrepancies between the GTI values used in the simulation (GlobInc) and those loaded in the MET file on certain days. It is important to note that the system utilizes a single-axis solar tracker.

These discrepancies typically occur, in the majority of cases, around 17:00 hours (please refer to the attached image).

I would greatly appreciate any opinions or suggestions.

Best regards.

pvsystdif.png

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