jonipa Posted June 23, 2023 Share Posted June 23, 2023 (edited) Hello, Recently I've been wondering how to enter PV module aging parameters right as information online is a little confusing. I would really appreciate some light on this topic to try to answer the following: How should we enter "PV module aging parameters"? Where to get the info from? Is it right to enter "Module warranty" parameters using the specified in de module's datasheet? Are these parameters used in any kind of way in the simulation? Thank you in advance! Edited June 23, 2023 by jonipa Link to comment Share on other sites More sharing options...
dtarin Posted June 23, 2023 Share Posted June 23, 2023 It depends on the type and size of plant. A rooftop installation will probably have higher degradation than a large utility scale plant that has on-site operators and regular O&M support. In the absence of operational data, use the module datasheet for the Average Degradation Factor. If you want to consider system degradation, increase this figure above the module warranty value. There are some studies out there on I/V mismatch but published research is limited/lacking. If you don't have any guidance there, focus on aligning the avg. degradation factor according to expectations. Link to comment Share on other sites More sharing options...
jonipa Posted June 27, 2023 Author Share Posted June 27, 2023 Thank you very much, Then I guess "Module warranty" values have nothing to do in the simulation? There is no need to input them and only using "PV module agging parameters" box is enough? Link to comment Share on other sites More sharing options...
dtarin Posted June 27, 2023 Share Posted June 27, 2023 Correct, they are illustrative only for the chart, and serve no function in calculation. Link to comment Share on other sites More sharing options...
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