June 25, 20233 yr comment_13693 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 Report
June 26, 20233 yr comment_13700 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 Report
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