A novel hierarchical failure analysis approach targeting the operation and maintenance of floating offshore wind turbines

Zijian Tao, Ronghua Zhu, Jiajun Hu, Mingchuan Wang, Qinghai Chen and Chizhong Wang

Renewable Energy, 2025, vol. 241, issue C

Abstract: This paper proposes a novel failure analysis approach, hierarchical Failure Mode and Effects Analysis (FMEA), aimed at identifying critical components during the operation and maintenance phase of floating offshore wind turbines. The system’s degradation process is categorized into four stages based on maintenance actions, and a three-level Cost Priority Number calculation framework is developed to quantify cost-related risks across these stages. By integrating a maintenance model, this approach incorporates the uncertainties of maintenance strategies into the criticality analysis of components and transforms maintenance data into input parameters for evaluation indices. The objective is to address the limitations of traditional cost-based methods in representing maintenance processes and the challenges posed by insufficient maintenance data. Overall, the proposed approach offers targeted insights to optimize maintenance strategies, enhancing the operation and maintenance of floating offshore wind farms.

Keywords: Offshore wind power; Failure analysis; Operation and maintenance; Cost priority number; Condition-based maintenance (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:241:y:2025:i:c:s0960148124023358

DOI: 10.1016/j.renene.2024.122267

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