A comparison of satellite cloud motion vectors techniques to forecast intra-day hourly solar global horizontal irradiation

D Aicardi, P Musé, R Alonso-Suárez - Solar Energy, 2022 - Elsevier
Solar forecasting provides valuable information for grid management. Satellite-based
forecasting tools account for the short-term intra-day time horizons, typically outperforming …

[HTML][HTML] Global solar radiation predictions in Fiji Islands based on empirical models

OM Oyewola, TE Patchali, OO Ajide, S Singh… - Alexandria Engineering …, 2022 - Elsevier
Many difficulties associated with Global Solar Radiation (GSR)'variability in space and time
and with the angular position in sky hemisphere hamper its accurate knowledge. Fiji Islands …

Intra-day solar probabilistic forecasts including local short-term variability and satellite information

R Alonso-Suárez, M David, V Branco, P Lauret - Renewable Energy, 2020 - Elsevier
In this work, three models are built to produce intra-day probabilistic solar forecasts with lead
times ranging from 10 min to 3 h with a granularity of 10 min. The first model makes only use …

Performance of the site-adapted CAMS database and locally adjusted cloud index models for estimating global solar horizontal irradiation over the Pampa Húmeda

A Laguarda, G Giacosa, R Alonso-Suárez, G Abal - Solar Energy, 2020 - Elsevier
CAMS provides global solar radiation estimates for clear-sky (McClear model) and all-sky
(Heliosat-4 method) conditions, the latter based on MSG satellite information. A performance …

Performance of empirical models for diffuse fraction in Uruguay

G Abal, D Aicardi, RA Suárez, A Laguarda - Solar Energy, 2017 - Elsevier
Abstract Knowledge of diffuse solar radiation is required for the estimation of global
irradiation on inclined surfaces or for estimating DNI for CSP applications. Since diffuse …

Improved estimation of hourly direct normal solar irradiation (DNI) using geostationary satellite visible channel images over moderate albedo areas

A Laguarda, R Alonso-Suárez, G Abal - Solar Energy, 2023 - Elsevier
An accurate knowledge of the direct solar irradiance at normal incidence (DNI) is required to
size solar energy systems, specially those using solar concentration technologies. In the …

Assessment of global solar radiation estimates across different regions of Togo, West Africa

TE Patchali, OM Oyewola, OO Ajide… - Meteorology and …, 2022 - Springer
This study, for the first time, adopts 20 simple empirical models to estimate daily global solar
radiation (GSR) in selected meteorological stations in Togo, West Africa with a view to …

Intra-day solar irradiation forecast using RLS filters and satellite images

F Marchesoni-Acland, R Alonso-Suárez - Renewable Energy, 2020 - Elsevier
Satellite-based solar irradiation forecasting is useful for short-term intra-day time horizons,
outperforming numerical weather predictions up to 3–4 h ahead. The main techniques for …

Intra-day global horizontal irradiance forecast using FY-4A clear sky index

L Yang, X Gao, J Hua, L Wang - Sustainable Energy Technologies and …, 2022 - Elsevier
Accurate forecasting of Global horizontal irradiance (GHI) plays an irreplaceable role in
power system expansion, power generation production scheduling, maintenance …

Improving the Heliosat-2 method for surface solar irradiation estimation under cloudy sky areas

D Mouhamet, A Tommy, A Primerose, L Laurent - Solar Energy, 2018 - Elsevier
The purpose of this study was to improve global horizontal irradiation (GHI) estimates under
cloudy sky conditions using the Heliosat-2 method (Rigollier et al., 2004) calibrated with …