大倾角柔性光伏阵列风致响应特性研究

doi:doi:10.19912/j.0254-0096.tynxb.2024-0721

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大倾角柔性光伏阵列风致响应特性研究

更新时间：2025-10-22

- 大倾角柔性光伏阵列风致响应特性研究
- Vol. 46, Issue 9, Pages: 455-462(2025)
- 作者机构：
- 作者简介：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-0721
  CLC： TU311
- Published Online：14 October 2025，
  
  Published：2025
- 稿件说明：
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[J]. 2025, 46(9): 455-462.
DOI：

[J]. 2025, 46(9): 455-462. DOI： doi:10.19912/j.0254-0096.tynxb.2024-0721.

摘要

柔性光伏支架质量轻、刚度小

在强风作用下易发生大幅振动

造成结构破坏。该研究采用刚性模型测压风洞试验和考虑非线性的有限元分析相结合方法

分析柔性光伏阵列在不同组件倾角下的位移响应

并探究侧向连接对位移响应的影响。结果表明：柔性光伏阵列组件间存在明显的动力干扰效应

迎风端光伏组件的脉动位移在大倾角工况下小于背风端

干扰效应表现为动力放大效应;大倾角工况下

迎风端光伏组件发生以竖向弯曲为主的振动

背风端发生小扭转加小竖向弯曲的振动;侧向连接有效的提升结构的扭转刚度

进一步抑制结构的扭转响应

建议实际工程采用侧向连接来控制柔性光伏支架的风致大幅扭转振动。

Abstract

The flexible cable supported photovoltaic structure has light weight and small stiffness

and is prone to large vibration under the action of strong winds

resulting in structural damage. In this paper

the displacement response of flexible cable-supported photovoltaic arrays under different component inclination angles is analyzed by combining the wind tunnel test of rigid model pressure measurement and the finite element analysis method considering nonlinearity

and the influence of lateral connection on displacement response is explored. The results show that： there is an obvious dynamic interference effect between the flexible cable-supported photovoltaic array modules

the fluctuating displacement of the photovoltaic modules at the windward side is smaller than that on the leeward side under large tilt angles

and the interference effect is a dynamic amplification effect; Under the condition of large tilt angle

the photovoltaic modules at the windward side occurs vibration dominated by vertical bending

and vibration dominated by small torsion and small vertical bending occurs at the leeward side photovoltaic modules; The lateral connection effectively improves the torsional stiffness and further inhibits the torsional response of the structure. It is suggested that the lateral connection should be used to control the large wind-induced vibration of the flexible cable-supported photovoltaic supports in practical engineering applications.

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references

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WIND-INDUCED RESPONSE AND VIBRATION SUPPRESSION MEASURES OF FLEXIBLE PHOTOVOLTAIC SUPPORT ARRAY BASED ON AEROELASTIC MODEL WIND TUNNEL TEST

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