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MODELO DE IRRADIACIÓN DIFUSA


Gorka

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Hello Gorka

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WHAT IS THE BEST DIFFUSE IRRADIANCE MODEL TO USE FOR PROJECTS IN SPAIN? I WANT THE GENERATION CALCULATED BY PVSOL TO BE THE CLOSEST TO THE ONE CALCULATED BY PVGIS.

To get the highest similarity you should use the same or most similar model. PVGIS seems to use the model by Muneer, T., Solar radiation model for Europe. Building Services Engineering Research and Technology 1990, 11(4), 153-163. (https://joint-research-centre.ec.europa.eu/photovoltaic-geographical-information-system-pvgis/getting-started-pvgis/pvgis-data-sources-calculation-methods_en#ref-3-calculation-of-solar-radiation-on-inclined-planes).
This model is not available in PV*SOL.

And for the first part of your question you might need recordings of diffuse and direct irradiation for being able to compare it to the model.

Kind regards
Frederik

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