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Mejora de la resiliencia de aerogeneradores por medio de métodos tolerantes a fallos en sistemas de pitch hidráulico.

Mejora de la resiliencia de aerogeneradores por medio de métodos tolerantes a fallos en sistemas de pitch hidráulico.

Abstract

Esta tesis doctoral propone mejorar la resiliencia de aerogeneradores ante fallos en el sistema de pitch hidráulico mediante la adaptación de los algoritmos de control.Partiendo del modelado de una turbina de 10 MW capaz de simular cinco tipos de fallos se ha definido una metodología para evaluar su impacto en cargas de fatiga y en producción.Con el modelo y la metodología como herramientas, se presenta el diseño y el estudio de un algoritmo de control original que mitiga los efectos adversos de los fallos, especialmente en condiciones de alta demanda del accionamiento de pitch. La contribución clave radica en la incorporación de un efecto memoria para gobernar la tasa de decremento del ángulo de pitch. Este enfoque evita paradas por fugas graves, mejora algunas cargas mecánicas en más del 31¿% y mantiene casi intacta la producción eléctrica (solo un 2¿% de pérdida).Además, se presenta la mejora de la efectividad por medio de la optimización de parámetros como el par máximo y el ángulo de pitch mínimo. Combinando esta optimización con el algoritmo tolerante a fallos se evitan casi todas las paradas por cuatro de los cinco fallos simulados, con mejoras de hasta el 20¿% en cargas y del 63,8¿% en producción.

136 p.

Country
Spain
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green