Short term cloud nowcasting for a solar power plant based on irradiance historical Data

This work considers the problem of forecasting the normal solar irradiance with high spatial and temporal resolution (5 minutes). The forecasting is based on a dataset registered during one year from the high resolution radiometric network at a operational solar power plan at Almeria, Spain. In part...

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Detalles Bibliográficos
Autores: Caballero Roldán, Rafael, Zarzalejo Tirado, Luis Fernando, Otero Martín, Álvaro, Piñuel Moreno, Luis, Wilbert, Stefan
Tipo de recurso: artículo
Fecha de publicación:2018
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/13009
Acceso en línea:https://hdl.handle.net/20.500.14352/13009
Access Level:acceso abierto
Palabra clave:004.8
Time-series
Radiation
Cloud nowcasting
GHI
LSTM
Supervised machine learning
Computer Science
Artificial Intelligence
Inteligencia artificial (Informática)
1203.04 Inteligencia Artificial
Descripción
Sumario:This work considers the problem of forecasting the normal solar irradiance with high spatial and temporal resolution (5 minutes). The forecasting is based on a dataset registered during one year from the high resolution radiometric network at a operational solar power plan at Almeria, Spain. In particular, we show a technique for forecasting the irradiance in the next few minutes from the irradiance values obtained on the previous hour. Our proposal employs a type of recurrent neural network known as LSTM, which can learn complex patterns and that has proven its usability for forecasting temporal series. The results show a reasonable improvement with respect to other prediction methods typically employed in the studies of temporal series.