anees Posted June 25, 2023 Report Share Posted June 25, 2023 Hello Hope that you all are good and thanks for helping me everytime here i want to want to know what is best model for irradiation on inclined plan ? Perez?? 2) what is best model for diffuse irradiation?? Project locations are UK and Germany Thanks Quote Link to comment Share on other sites More sharing options...
developer_mh Posted June 26, 2023 Report Share Posted June 26, 2023 Hi anees, there is no simple answer to this question. Based on our studies we recommend the usage of the "Hofmann" model for diffuse irradiance*, especially when simulating in one-minute resolution. As model for the inclined plane we recommend the "Hay & Davies" model. You can find out more here: https://help.valentin-software.com/pvsol/en/calculation/irradiation/diffuse-irradiation/ https://help.valentin-software.com/pvsol/en/calculation/irradiation/irradiation-onto-inclined-plane/ If you really want to dive deep into the models, I'd recommend our paper on the influence of the various models on the energy yield: https://www.mdpi.com/1996-1073/10/10/1495 * disclaimer: This model was developed by us as part of my PhD thesis, so our opinion might be biased But we tested and validated it a lot, see the paper here: https://www.mdpi.com/1996-1073/10/2/248 Hope that helps, kind regards, Martin 1 Quote Link to comment Share on other sites More sharing options...
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