漂浮式海上风力机雷击暂态效应研究

张萍; 陈嘉龙; 杨计刚; 吴伟强; 陆义海; 李练兵

doi:10.19912/j.0254-0096.tynxb.2024-1427

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (12) : 609-616. DOI: 10.19912/j.0254-0096.tynxb.2024-1427

漂浮式海上风力机雷击暂态效应研究

张萍¹, 陈嘉龙¹, 杨计刚², 吴伟强², 陆义海², 李练兵³

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STUDY ON TRANSIENT EFFECTS OF LIGHTNING STRIKES ON FLOATING OFFSHORE WIND TURBINES

Zhang Ping¹, Chen Jialong¹, Yang Jigang², Wu Weiqiang², Lu Yihai², Li Lianbing³

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文章历史 +

摘要

为研究漂浮式海上风力机的雷击综合暂态效应,首先搭建漂浮式风力机一体化电磁暂态模型,基于电磁暂态仿真程序ATP-EMTP探究海床土壤电阻率、锚固长度和系泊链长度对雷击作用下风力机塔基处过电压的影响。然后以雷击作用下塔基处过电压幅值最小和系泊链成本最低为多优化目标、系泊链长度为决策变量,利用NSGAⅡ遗传算法优化得到Pareto最优解集,结合熵权法和TOPSIS法确定系泊链的最优长度,从而实现多目标优化电磁暂态模型的构建。研究结果表明：雷击作用下塔基处过电压达kV 级,与海床土壤电阻率、锚固长度成正相关,与系泊链长度成负相关;多叶片雷击引起的过电压是单叶片雷击的1.57~3.48倍;多目标优化得到系泊链的最佳长度为41.19 m。

Abstract

This paper constructs an integrated electromagnetic transient model for floating offshore wind turbines （FOWTs） to investigate the transient effects of lightning strikes. Utilizing the ATP-EMTP simulation program, the effects of submarine ground resistivity, anchor length, and anchor chain length on tower base overvoltage during lightning events are analyzed. With the objectives of minimizing overvoltage at the tower base and mooring chain cost, the NSGAⅡ genetic algorithm is employed, using mooring chain length as the decision variable, to obtain a Pareto solution set. Optimal mooring chain length is determined through entropy weighting and TOPSIS methods, culminating in a multi-objective optimized model. Results indicate that lightning-induced overvoltage at the tower base reaches the kV level, positively correlating with seabed soil resistivity and anchorage length, and negatively with mooring chain length. Multi-blade lightning strikes produce overvoltages 1.57 to 3.48 times higher than single-blade strikes. The multi-objective optimization yields an optimal mooring chain length of 41.19 m.

导出引用

张萍, 陈嘉龙, 杨计刚, 吴伟强, 陆义海, 李练兵. 漂浮式海上风力机雷击暂态效应研究[J]. 太阳能学报. 2025, 46(12): 609-616 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1427

Zhang Ping, Chen Jialong, Yang Jigang, Wu Weiqiang, Lu Yihai, Li Lianbing. STUDY ON TRANSIENT EFFECTS OF LIGHTNING STRIKES ON FLOATING OFFSHORE WIND TURBINES[J]. Acta Energiae Solaris Sinica. 2025, 46(12): 609-616 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1427

中图分类号： TU856

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