风浪冰载荷作用下海上风电机组塔筒结构动力响应

关新; 华钰; 刘博; 宗龙龙; 孔德琛; 唐昊

doi:10.19912/j.0254-0096.tynxb.2024-1711

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (2) : 444-452. DOI: 10.19912/j.0254-0096.tynxb.2024-1711

风浪冰载荷作用下海上风电机组塔筒结构动力响应

关新¹, 华钰¹, 刘博¹, 宗龙龙¹, 孔德琛¹, 唐昊²

作者信息 +

DYNAMICRESPONSE OF TOWER STRUCTURE OF OFFSHORE WIND TURBINE UNDER WIND WAVE AND ICE LOAD

Guan Xin¹, Hua Yu¹, Liu Bo¹, Zong Longlong¹, Kong Dechen¹, Tang Hao²

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文章历史 +

摘要

基于5 MW海上风电机组的结构特点,采用Kaimal风速谱建立海上湍流三维流场模型,运用Kärnä冰力谱搭建浮冰数学模型,通过多工况条件排列组合再现海上风电机组实际运行环境的工况条件。结合OpenFAST开放计算特点和EDEM离散元素分析方法,研究在不同海上工况条件下风电机组对风载荷、浪载荷、冰载荷单独作用与耦合作用下的海上风电机组塔筒的动力响应特性,提高风电机组的运行过程中的结构稳定性。结果表明,在风—浪—冰载荷作用下风电机组塔顶端横向XK与纵向YK位移、塔基弯矩MXK与MYK的数值均显著超过独立荷载工况下的计算结果,但多物理场联合作用引发的结构疲劳损伤增量反而低于单一载荷条件下的累积效应。

Abstract

The structural dynamic characteristics of offshore wind turbines are directly related to the operational safety and equipment reliability of in-service wind turbines, but because of the complex working environment, a single load analysis cannot reflect the structural dynamic characteristics of its actual operating state. In this paper, considering the distinctive configuration attributes of 5-megawatt marine wind energy generators, Kaimal wind speed spectrum is used to establish a three-dimensional model of Marine turbulent flow field, and Kärnä ice force spectrum is combined to build a floating ice mathematical model, and the working conditions of the actual operating environment of offshore wind turbines are reproduced through the arrangement and combination of multiple working conditions. Combined with OpenFAST and EDEM discrete element analysis method, the dynamic response characteristics of wind turbines under wind, wave and ice loads are studied. The results show that the transverse and longitudinal dispositions of the tower top and the transverse and longitudinal bending moments of the tower are greater than that of the single load, but the cumulative fatigue damage caused by the coupling load is smaller than that of the single load.

导出引用

关新, 华钰, 刘博, 宗龙龙, 孔德琛, 唐昊. 风浪冰载荷作用下海上风电机组塔筒结构动力响应[J]. 太阳能学报. 2026, 47(2): 444-452 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1711

Guan Xin, Hua Yu, Liu Bo, Zong Longlong, Kong Dechen, Tang Hao. DYNAMICRESPONSE OF TOWER STRUCTURE OF OFFSHORE WIND TURBINE UNDER WIND WAVE AND ICE LOAD[J]. Acta Energiae Solaris Sinica. 2026, 47(2): 444-452 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1711

中图分类号： TK83

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