多腐蚀期龄浮式风电机组动态响应分析

李继旭; 孙传宗; 田浩男; 丛鑫; 闫明

doi:10.19912/j.0254-0096.tynxb.2023-0718

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (9) : 475-482. DOI: 10.19912/j.0254-0096.tynxb.2023-0718

多腐蚀期龄浮式风电机组动态响应分析

李继旭¹, 孙传宗¹, 田浩男², 丛鑫³, 闫明¹

作者信息 +

DYNAMIC RESPONSE ANALYSIS OF MULTI-CORROSION-AGED FLOATING OFFSHORE WIND TURBINE

Li Jixu¹, Sun Chuanzong¹, Tian Haonan², Cong Xin³, Yan Ming¹

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文章历史 +

摘要

腐蚀影响海上风电机组动态响应特性,为评估和预测多腐蚀期龄海上风电机组动态力学行为及疲劳寿命,基于Lagrange方程以及均匀腐蚀模型,建立腐蚀-浮式风电机组参数模型,采用数值分析方法分析多腐蚀期龄海上风电机组动态响应特征。结果表明,随着腐蚀期龄的逐渐累积,塔筒弯曲频率响应幅值成为影响塔顶位移运动的主要因素,塔基弯曲应力呈指数型增长,塔筒疲劳寿命将急剧降低。

Abstract

Corrosion affects the dynamic response characteristics of offshore wind turbines. In order to evaluate and predict the dynamic mechanical behavior and fatigue life of multi-corrosion aged offshore wind turbines, the parametric mathematical model of corrosion-floating wind turbines was established based on Lagrange equation and homogeneous corrosion model to analyze the dynamic response characteristics of multi-corrosion-aged offshore wind turbines. The results show that with the accumulation of corrosion age, the amplitude of bending frequency response becomes the main factor affecting the displacement movement of the tower top, the bending stress of the tower increases exponentially, and the fatigue life of the tower decreases sharply.

导出引用

李继旭, 孙传宗, 田浩男, 丛鑫, 闫明. 多腐蚀期龄浮式风电机组动态响应分析[J]. 太阳能学报. 2024, 45(9): 475-482 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0718

Li Jixu, Sun Chuanzong, Tian Haonan, Cong Xin, Yan Ming. DYNAMIC RESPONSE ANALYSIS OF MULTI-CORROSION-AGED FLOATING OFFSHORE WIND TURBINE[J]. Acta Energiae Solaris Sinica. 2024, 45(9): 475-482 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0718

中图分类号： TK83

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