jforbess Posted July 11, 2015 Share Posted July 11, 2015 Hello, Recently at IEEE PVSC, it became clear that the academic world is trying to improve the ability to model performance including a varying spectral component. First Solar provided guidance to do this a few years ago, and now their best practice recommendation includes a monthly spectral adjustment that currently requires a confusing adjustment of the monthly soiling and MQF losses to include. 1) Can an additional set of monthly inputs for spectral adjustment be added (needs to allow either a gain or a loss) for a more straightfoward documentation of the adjustments made in PVsyst? 2) I suspect the academic world is still working out the best way to model spectrum changes based on precipitable water or temperature and humidity, but it would be a great addition to PVsyst when there is some consistency. Are the SMARTS and CREST models too complicated to include in PVsyst? Link to comment Share on other sites More sharing options...
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