RESEARCH ON MAINTENANCE DECISION OF WIND TURBINE WITH DUAL DYNAMIC THRESHOLD CONSIDERING SHOCK FROM ENVIRONMENT

Wang Jinhe; Qin Yapeng; Chen Jiayu; Zhang Xiaohong

doi:10.19912/j.0254-0096.tynxb.2024-0144

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (5) : 602-611. DOI: 10.19912/j.0254-0096.tynxb.2024-0144

RESEARCH ON MAINTENANCE DECISION OF WIND TURBINE WITH DUAL DYNAMIC THRESHOLD CONSIDERING SHOCK FROM ENVIRONMENT

Wang Jinhe^1,2, Qin Yapeng^1,2, Chen Jiayu^1,2, Zhang Xiaohong^1,2

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Abstract

In order to thoroughly analyze the impact of environment and random shock on the degradation process of wind turbines, improve system performance and reduce operation and maintenance costs, a dual dynamic threshold random shock maintenance strategy for wind turbine was proposed based on the system’s own anti-disturbance capability and anti-shock capability under the influence of operation and maintenance environmental and random shock factors. According to the current degradation state of the wind turbine, the dual threshold curves of the system's own anti-disturbance capability and anti-shock capability are set, and the impact of random shock on the system degradation process is determined according to the impact load size. The maintenance decision point of the wind turbine is further determined by the arrival time point of the extreme shock and the soft failure threshold, and the dual dynamic threshold random shock maintenance decision model is established. The results of example analysis validate the feasibility and effectiveness of the model, and the results of sensitivity analysis and strategy comparison further show that the strategy has significant economic advantages in reducing wind trubine maintenance costs, and there is indeed an interaction between random impact and system performance.

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environmental impact / wind turbines / maintenance / failure mode / random shock

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Wang Jinhe, Qin Yapeng, Chen Jiayu, Zhang Xiaohong. RESEARCH ON MAINTENANCE DECISION OF WIND TURBINE WITH DUAL DYNAMIC THRESHOLD CONSIDERING SHOCK FROM ENVIRONMENT[J]. Acta Energiae Solaris Sinica. 2025, 46(5): 602-611 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0144

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