RESEARCH ON MAINTENANCE STRATEGY OF WIND TURBINE BOUNDARY INTENSITY OPPORTUNITY CONSIDERING COST-EFFECTIVENESS RATIO

Ren Li&#x02019;na; Jia Shilin; Li Jianhua; Li Kehan; Yan Leiqi

doi:10.19912/j.0254-0096.tynxb.2024-1282

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (11) : 720-729. DOI: 10.19912/j.0254-0096.tynxb.2024-1282

RESEARCH ON MAINTENANCE STRATEGY OF WIND TURBINE BOUNDARY INTENSITY OPPORTUNITY CONSIDERING COST-EFFECTIVENESS RATIO

Ren Li’na, Jia Shilin, Li Jianhua, Li Kehan, Yan Leiqi

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Abstract

In order to solve the problem that it is difficult to formulate reasonable maintenance strategies for wind turbine multi-components and the problem of high operation and maintenance costs, this paper considers the economic relevance of each component and proposes a wind turbine boundary intensity opportunistic maintenance optimization model based on cost-effectiveness ratio. Firstly, based on the boundary intensity process, a hybrid failure intensity model is established to describe the change rule of failure; secondly, the idea of opportunistic maintenance and cost-benefit analysis are incorporated into multi-component preventive maintenance, and the maintenance methods are selected through the cost-effectiveness ratio; lastly, a numerical case study is analyzed with the help of four components of wind turbine, namely, generator, gears, blades, and bearings, and a comparison is made with the model of unconsidered opportunistic maintenance and the Weibull distribution model. The results show that the model in this paper reduces the total cost by 2.76% compared with the model without considering opportunistic maintenance, and sky 0.88% compared with the Weibull model.

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wind turbines / decision making / reliability / boundary intensity process / cost-effectiveness ratio / opportunistic maintenance

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Ren Li’na, Jia Shilin, Li Jianhua, Li Kehan, Yan Leiqi. RESEARCH ON MAINTENANCE STRATEGY OF WIND TURBINE BOUNDARY INTENSITY OPPORTUNITY CONSIDERING COST-EFFECTIVENESS RATIO[J]. Acta Energiae Solaris Sinica. 2025, 46(11): 720-729 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1282

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