Predicting beam and diffuse horizontal irradiance using Fourier expansions

A. Barbón, P. Fortuny Ayuso, L. Bayón and J.A. Fernández-Rubiera

Renewable Energy, 2020, vol. 154, issue C, 46-57

Abstract: A new method for obtaining very accurate models to predict the Beam and Diffuse Horizontal Irradiance is proposed, using two sources of data: satellite irradiation estimations and two clear-sky models (one for Beam and one for Diffuse Irradiance). By means of a Fourier Series approximation, we correct the clear-sky models and adapt them to the climatological conditions of a specific location. Applying it to six cities in latitudes ranging from 36∘ to 60∘ degrees North, we compare our predictions with real ground-level data obtained (in this work) from the WRDC database. Results show that the proposed model is both accurate and applicable to different climates.

Keywords: Clear sky model; Beam and diffuse horizontal irradiance; Fourier series correction (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:154:y:2020:i:c:p:46-57

DOI: 10.1016/j.renene.2020.02.118

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