地震方向对15 MW单桩海上风力机动力学响应的影响研究

马璐; 张险峰; 刘茜妮; 秦明; 傅广泽; 杨阳

doi:10.19912/j.0254-0096.tynxb.2024-1393

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (12) : 617-625. DOI: 10.19912/j.0254-0096.tynxb.2024-1393

地震方向对15 MW单桩海上风力机动力学响应的影响研究

马璐¹, 张险峰¹, 刘茜妮², 秦明¹, 傅广泽¹, 杨阳^2,3

作者信息 +

STUDY ON EFFECT OF EARTHQUAKE DIRECTION ON DYNAMIC RESPONSES OF 15 MW MONOPILE OFFSHORE WIND TURBINES

Ma Lu¹, Zhang Xianfeng¹, Liu Qianni², Qin Ming¹, Fu Guangze¹, Yang Yang^2,3

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文章历史 +

摘要

为研究地震方向对15 MW海上风力机动力响应的影响,基于模态加速度法开发适用于地震-风-浪荷载联合作用下的海上风力机结构动力学仿真模型,并计算0°~360°风-地震耦合夹角下15 MW 海上风力机在风-浪-震耦合工况下的支撑结构载荷、塔顶位移和加速度,并与若干典型仿真工况的计算结果进行比较。结果表明：风-地震耦合角度对风力机塔顶加速度影响显著,对塔顶位移和塔基弯矩的影响一定程度上取决于外部激励的输入。由此说明地震方向对大型海上风力机不可忽视。

Abstract

To quantify the effect of earthquake directionality on the seismic behaviors of 15 MW monopile offshore wind turbines, a fully coupled simulation framework is developed based on the modal acceleration method. The dynamic responses of a 15 MW offshore wind turbine over the complete range of wind-earthquake misalignment angles （0°-360°） under wind-wave-earthquake environmental conditions are calculated. Tower-base bending moment, tower-top displacement, and tower-top acceleration of the wind turbine under several typical simulation conditions are compared. The results indicate that the tower-top acceleration is highly sensitive to the wind-earthquake misalignment angle, whereas the sensitivities of tower-top displacement and tower-base bending moment are governed by the external excitations. These findings underscore the necessity of explicitly accounting for the wind-earthquake coupling effect in the design and assessment of large-scale offshore wind turbines.

导出引用

马璐, 张险峰, 刘茜妮, 秦明, 傅广泽, 杨阳. 地震方向对15 MW单桩海上风力机动力学响应的影响研究[J]. 太阳能学报. 2025, 46(12): 617-625 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1393

Ma Lu, Zhang Xianfeng, Liu Qianni, Qin Ming, Fu Guangze, Yang Yang. STUDY ON EFFECT OF EARTHQUAKE DIRECTION ON DYNAMIC RESPONSES OF 15 MW MONOPILE OFFSHORE WIND TURBINES[J]. Acta Energiae Solaris Sinica. 2025, 46(12): 617-625 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1393

中图分类号： TK83

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