Análisis y caracterización de defectos en módulos fotovoltaicos por medio de termografía infrarroja

Autores/as

DOI:

https://doi.org/10.17533/udea.redin.20190517

Palabras clave:

energía fotovoltaica, eficiencia fotovoltaica, termografía, inspección termográfica, anomalías en módulos

Resumen

Ser capaz de detectar, identificar y cuantificar la gravedad de los defectos que aparecen en los módulos fotovoltaicos es esencial para constituir un sistema fiable, eficiente y seguro, evitando pérdidas de energía, desajustes y problemas de seguridad. El objetivo principal de esta investigación es realizar un estudio de 17.142 módulos monocristalinos para detectar cada defecto existente, clasificándolos en diferentes grupos, estudiando la varianza del mismo tipo de defecto en diferentes módulos y los patrones de cada grupo de defectos térmicos. Los resultados obtenidos pueden ser útiles en el desarrollo posterior de un software de detección automática de anomalías en módulos y su clasificación. Atendiendo a los resultados obtenidos, los defectos detectados se han clasificado en cinco modos de fallo termográficos: sobrecalentamiento en celdas, en circuito bypass, en la caja de conexiones, en la conexión entre la barra colectora (busbar) y la caja de conexiones y en el módulo completo. Se incluye un análisis de patrones de los diferentes defectos, estudiando su ubicación dentro del módulo, tamaño y resultados estadísticos de temperatura, como temperatura promedio, desviación estándar, temperatura máxima, mediana y primer y tercer cuartil.

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Biografía del autor/a

Sara Gallardo-Saavedra, Universidad de Valladolid

Departamento de Ingeniería Agropecuaria y Forestal, Facultad de Ingeniería Forestal, Ingeniería Agronómica y de la Industria de la Bioenergía (EIFAB).

Luis Hernández-Callejo, Universidad de Valladolid

Departamento de Ingeniería Agropecuaria y Forestal, Facultad de Ingeniería Forestal, Ingeniería Agronómica y de la Industria de la Bioenergía (EIFAB).

Oscar Duque-Pérez, Universidad de Valladolid

Departamento de Ingeniería Eléctrica, Escuela de Ingeniería Industrial.

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Publicado

2019-08-23

Cómo citar

Gallardo-Saavedra, S., Hernández-Callejo, L., & Duque-Pérez, O. (2019). Análisis y caracterización de defectos en módulos fotovoltaicos por medio de termografía infrarroja. Revista Facultad De Ingeniería Universidad De Antioquia, (93), 92–104. https://doi.org/10.17533/udea.redin.20190517