Experimental study on wind-induced vibration characteristics of flexible photovoltaic array

LIU Xinyue; MA Wenyong; LI Haiyun; CHEN Wenkao

doi:10.7638/kqdlxxb-2024.0199

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Experimental study on wind-induced vibration characteristics of flexible photovoltaic array

更新时间：2026-05-28

- Experimental study on wind-induced vibration characteristics of flexible photovoltaic array
- Vol. 43, Issue 4, Pages: 118-128(2025)
- 作者机构：
  
  1. 石家庄铁道大学土木工程学院,石家庄,050043
  2. 河北省风工程及风能利用工程技术创新中心,石家庄,050043
  3. 石家庄铁道大学道路与铁道工程安全保障省部共建教育部重点实验室,石家庄,050043
  4. 中铁二局青岛工程有限公司,青岛,266041
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2024.0199
  CLC： TU311.3;TK519
- Published：2025
- 稿件说明：
移动端阅览
刘昕玥, 马文勇, 李海云, 等. 柔性光伏阵列风致振动特征试验研究[J]. 空气动力学学报, 2025, 43(4): 118−128.

LIU Xinyue, MA Wenyong, LI Haiyun, et al. Experimental study on wind-induced vibration characteristics of flexible photovoltaic array[J]. 2025, 43(4): 118-128.
刘昕玥, 马文勇, 李海云, 等. 柔性光伏阵列风致振动特征试验研究[J]. 空气动力学学报, 2025, 43(4): 118−128. DOI： 10.7638/kqdlxxb-2024.0199

LIU Xinyue, MA Wenyong, LI Haiyun, et al. Experimental study on wind-induced vibration characteristics of flexible photovoltaic array[J]. 2025, 43(4): 118-128. DOI： 10.7638/kqdlxxb-2024.0199.

摘要

柔性光伏支架阵列在大风天气下容易发生大幅度的风致振动，影响结构的安全和使用，然而目前对风致振动特征的认识还不够明确。通过柔性光伏阵列全气弹模型风洞试验，分析了风速、风向角和倾角对单层索柔性光伏阵列位移响应和索端力响应的影响。结果表明：竖向振动、扭转振动以及索端力均随风速的增大而增大；竖向位移和扭转位移最大均值和脉动值出现的位置不同，竖向位移迎风第一排均值更大，而迎风第二排脉动值最大，扭转位移迎风第二排和最后一排的均值和脉动值最大；风向角为180°时，柔性光伏阵列的风致振动比风向角为0°时更剧烈；风向角为0°时，迎风索比背风索张得更紧且索端力变化范围更大，风向角为180°时，背风索振动更剧烈且迎风第一排索端力响应更大；大倾角下迎风索和背风索的索端力响应存在显著差异，倾角为22.5°时，第一排迎风索的动力放大系数最大，风向角0°时为1.30，180°时为1.22；竖向位移和扭转位移的振动变化趋势都与索端力变化之间存在较强的相关性。本文研究可为柔性光伏阵列的结构抗风设计和优化提供一定的参考。

Abstract

The cable supported photovoltaic array is prone to large-scale wind-induced vibration under strong wind weather

which affects the safety and use of the structure. At present

the characteristics of wind-induced vibration are not clear enough. Wind speed

wind direction angle and inclination angle on the displacement and cable-end force response of a single-layer cable supported photovoltaic array were analyzed by wind tunnel test of a full aeroelastic model. The results show that the vertical vibration

torsional vibration and cable-end force all increase with the increase of the wind speed. The maximum mean and fluctuation values of the vertical displacement and the torsional displacement appear at different locations. The mean value of the vertical displacement is larger in the first row of the windward while the fluctuation value is the largest in the second row of windward. The mean and fluctuation values of the torsional displacement are the largest in the second and last rows. The wind-induced vibration of the cable supported photovoltaic array at 180° wind direction angle is more severe than that at 0° wind direction angle. When the wind direction angle is 0°

the tension of the windward cable is tighter than that of the leeward cable

and the variation range of the cable-end force is larger. When the wind direction angle is 180°

the vibration of the leeward cable is more severe

and the force response of the first row of the windward cable is larger. The cable-end force response of the windward cable and the leeward cable is significantly different under large inclination angles. When the inclination angle is 22.5°

the amplification coefficient is the largest in the first row of the windward cable

which is 1.30 at 0° wind direction angle and 1.22 at 180° wind direction angle. The vibrations of the vertical and torsional displacements have a strong correlation with the cable-end force. This paper provides a reference for the structural wind-resistant design and optimization of cable supported photovoltaic array.

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references

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