OPTIMIZATION STRATEGY FOR OFFSHORE WIND FARM MAINTENANCE WITHIN OPTIMAL OPERATION AND MAINTENANCE TIME WINDOW

Qu Chong; Yan Jianguo; Qin Tao; Liu Ying; Yang Jing

doi:10.19912/j.0254-0096.tynxb.2024-0672

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (8) : 141-150. DOI: 10.19912/j.0254-0096.tynxb.2024-0672

OPTIMIZATION STRATEGY FOR OFFSHORE WIND FARM MAINTENANCE WITHIN OPTIMAL OPERATION AND MAINTENANCE TIME WINDOW

Qu Chong¹, Yan Jianguo², Qin Tao¹, Liu Ying³, Yang Jing^1,4

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Abstract

To address the precise scheduling requirements of offshore wind farm maintenance tasks, a three-parameter Weibull model was employed to compute the reliability functions of critical wind turbine components and ascertain the optimal maintenance time window. A hybrid strategy discrete grey wolf optimization（HGWO） algorithm was utilized to optimize the maintenance plan. Firstly, considering the number of violations in the operation and maintenance time window due to excessive maintenance and insufficient maintenance, an optimization model for the operation and maintenance plan of offshore wind turbines that includes the penalty cost for violations in the time window is established. Subsequently, the optimization problem of minimizing maintenance costs was addressed using the HGWO algorithm. Finally, the model and algorithm were validated using empirical maintenance data from an offshore wind farm and benchmarked against traditional methods, such as genetic algorithms. Experimental results indicat that the HGWO algorithm exhibits rapid convergence and high search efficiency in addressing the offshore wind farm maintenance optimization problem under time window constraints. In comparison to traditional algorithms such as genetic algorithms, the proposed method demonstrates superior global search capabilities, thus corroborating its effectiveness and economic efficiency.

Key words

offshore wind power / maintenance schedules / Weibull distribution / discrete grey wolf algorithm / operation and maintenance time window

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Qu Chong, Yan Jianguo, Qin Tao, Liu Ying, Yang Jing. OPTIMIZATION STRATEGY FOR OFFSHORE WIND FARM MAINTENANCE WITHIN OPTIMAL OPERATION AND MAINTENANCE TIME WINDOW[J]. Acta Energiae Solaris Sinica. 2025, 46(8): 141-150 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0672

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