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Photovoltaic flexible support wind-resistant cable

Analysis of wind-induced vibration effect parameters in flexible cable

The pre-stressed flexible cable-supported photovoltaic (PV) systems (FCSPSs) are gradually becoming the preferred PV structure for large-span and mountain photovoltaic power plants. the transient response of the cable-support structure and the wind field variation in the fluid domain under wind load were evaluated for different stiffness

Experimental investigation on wind-induced vibration of photovoltaic

Recently, a new type of cable-supported photovoltaic system (CSPS) had been proposed. The new structure has light weight and large span, and is cost-effectiveness and adaptability to complex terrains. At the same time, as a large span flexible structure, wind-induced vibration (WIV) is the most important controlling factor for the new structure.

A Parametric Study of Flexible Support Deflection of Photovoltaic

In this paper, we mainly consider the parametric analysis of the disturbance of the flexible photovoltaic (PV) support structure under two kinds of wind loads, namely, mean wind load and fluctuating wind load, to reduce the wind-induced damage of the flexible PV support structure and improve its safety and durability. The wind speed time history was simulated by

Tension and Deformation Analysis of Suspension Cable of Flexible

Du Hang, Xu Haiwei, Yue long, et al. Wind pressure characteristics and wind vibration response of long-span flexible photovoltaic support structure [J] Journal of Harbin Institute of Technology

Experimental study on critical wind velocity of a 33-meter-span

Flexible photovoltaic (PV) modules support structures are extremely prone to wind-induced vibrations due to its low frequency and small mass. Wind-induced response and critical wind velocity of a 33-m-span flexible PV modules support structure was investigated by using wind tunnel tests based on elastic test model, and the effectiveness of three types of

柔性光伏支架结构研究综述 A Research Review of Flexible Photovoltaic Support

1 中国矿业大学力学与土木工程学院,江苏徐州. 2 西南交通大学土木工程学院,四川成都. 收稿日期：2023年2月27日；录用日期：2023年3月19日；发布日期：2023年3月29日. 摘要. 在全球能源枯竭问题越来越严重的情况下,太阳能作为一种可再生的绿能源在我国能源结构中的比重越来越高,光伏发电项目

(PDF) Analytical Formulation and Optimization of the

On this basis, the analytical expressions for the cable force and displacement of a convex prestressed double-layer cable truss flexible photovoltaic support structure under a uniform load are

Wind-induced vibration and its suppression of photovoltaic modules

Wind-induced response and critical wind velocity of a 33-m-span flexible PV modules support structure was investigated by using wind tunnel tests based on elastic test model, and the effectiveness

Wind-induced response and control criterion of the double-layer cable

With the increasing demand for the economic performance and span of the cable support photovoltaic module system, double-layer cable support photovoltaic module system has gradually become one of the main application forms in recent years (Du et al., 2022, He et al., 2021) conducted a study on the wind load characteristics of the double-layer cable

A Research Review of Flexible Photovoltaic Support Structure

In this study, single solar panel array has been subjected to a wind speed which is varying from 10 to 260 km/h, to look after the pressure effect inside the array. 3D Reynolds- averaged Navier

Mechanical characteristics of a new type of cable-supported

According to the design code GB 2009–2012, the static wind load perpendicularly acting to the surface of the modules is calculated as: (2) w k = β gz μ s 1 μ z w o where w k is the wind load, β gz = 1.5, is the wind vibration coefficient at height z, μ sl =±1.3, is the shape coefficient of wind load, corresponding to Case 0° and Case 180°, μ z = 1.0, is the

Static and Dynamic Response Analysis of Flexible

Taking a flexible PV bracket with a span of 30 m and a cable axial force of 75 kN as the research object, we investigate the variation patterns of the support cables and wind-resistant cables under temperature decrease

Study on mechanical properties of a 35-meter-span three

The dynamic characteristics of the cable-truss flexible photovoltaic support system and the double-layer cable-supported flexible photovoltaic support system are compared. The component cable of the cable-support flexible photovoltaic support system is horizontal state, and the stability cable deflection-span ratio is 1/15 (figure. 3).

Mechanical characteristics of a new type of cable-supported

As the most important part of the flexible PV modules support structures, the cable is prone to wind-induced vibrations due to its small mass and low frequency (Li et al., 2014(Li et al.,, 2019Li

A Review on Aerodynamic Characteristics and Wind-Induced

Response of Flexible Support Photovoltaic System Fubin Chen 1,2, Yuzhe Zhu 2, Weijia Wang 2, Zhenru Shu 3, * and Yi Li 2 1 Key Laboratory of Bridge Engineering Safety Control by Department of

Experimental study on effect factors of wind-induced response of

In recent years, the proportion of flexible photovoltaic (PV) support structures (FPSS) in PV power generation has gradually increased, and the wind-induced response of FPSS has gradually been noticed this study, the wind-induced responses of a FPSS with a single row and a single span were investigated by aeroelastic model wind tunnel tests.

柔性光伏支架结构研究综述-【维普期刊官网】

The new system uses suspension cables to withstand the load of photovoltaic modules, which has the characteristics of adapting to complex terrain conditions, small footprint and strong site

Wind Load and Wind-Induced Vibration of

Du et al. used the ANSYS 2022R2 finite element software to study the structural wind pressure of a flexible PV support with an increase in the wind azimuth, which refers to the position where the highest absolute value of

Experimental investigation on wind loads and wind-induced

The wind-induced vibration response of flexible PV support structure under different cases was studied by using aeroelastic model for wind tunnel test, including different tilt angles of PV

A Parametric Study of Flexible Support Deflection of Photovoltaic

In this paper, we mainly consider the parametric analysis of the disturbance of the flexible photovoltaic (PV) support structure under two kinds of wind loads, namely, mean

Wind-resistant design method of cable-suspended photovoltaic

The model of vector form intrinsic finite element was established for the dynamic analysis of novel cable-suspended photovoltaic module support structures (CPMSS), and the characteristics of wind-induced responses of structural displacements and internal forces were analyzed. The unilateral standard deviations were defined to characterize the structural wind-induced

Experimental investigation on wind-induced vibration of photovoltaic

To satisfy the construction needs on complex or special sites (e.g. intertidal zone, mountainous area, fishponds, etc.), a suspension cable supported photovoltaic (PV) module was developed recently and quickly aroused market interest; however, such cable-supported flexible PV systems are susceptible to wind loading and associated aerodynamic effects

Mechanical characteristics of a new type of cable-supported

Cable-supported photovoltaic (PV) modules have been proposed to replace traditional beam-supported PV modules. (Bódis et al., 2019). In addition, the wind resistance of ground-mounted PV systems (Bitsuamlak et al., 2010, Aly and Bitsuamlak, 2013, Shademan et al., 2014a, Shademan et al., 2014b, Warsido et al., 2014, Abiola-Ogedengbe et al

柔性光伏支架结构研究综述

A Research Review of Flexible Photovoltaic Support Structure Xiaocheng Li1, Yingying Zhang1, Yi Zhou2, so the key problem is the wind resistance design. In this paper, the new flexible pho- Photovoltaic Support, Cable, Structural Design, Wind -Induced Response

(PDF) Design Method of Primary Structures of a Cost-Effective Cable

Cable-supported photovoltaic systems (CSPSs) are a new technology for supporting structures that have broad application prospects owing to their cost-effectiveness, light weight, large span, high

Experimental study on dynamic response influence factors of flexible

The wind-induced response and vibration modes of the flexible photovoltaic (PV) modules support structures with different parameters were investigated by using wind tunnel based on elastic test model. The results show that 180° is the most unfavourable wind direction for the flexible PV support structure. For double-cable flexible PV supports,

Wind-induced vibration and its suppression of photovoltaic modules

Wind induced vibration (WIV) of cable-supported system is one of the controlling factors of structural safety. Up to now, only a few papers focused on WIV of cable-supported PV modules. The lateral connectors are effective in suppressing the WIV of the PV modules and enhanced the wind resistance of the original support system. Table 5

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Wind-induced vibration and its suppression of photovoltaic

DOI: 10.1016/j.jweia.2020.104275 Corpus ID: 224864717; Wind-induced vibration and its suppression of photovoltaic modules supported by suspension cables @article{He2020WindinducedVA, title={Wind-induced vibration and its suppression of photovoltaic modules supported by suspension cables}, author={Xuhui He and Haojiang Ding

Wind loading and its effects on photovoltaic modules: An

Boundary layer wind tunnel tests were performed to determine wind loads over ground mounted photovoltaic modules, considering two situations: stand-alone and forming an array of panels. Several wind directions and inclinations of the photovoltaic modules were taken into account in order to detect possible wind load combinations that may lead to a condition

Wind-induced vibration and its suppression of photovoltaic modules

As the wind resistance of the original support system is not enough, suppression measures are necessary to control the wind-induced vibration. Flexible photovoltaic (PV) modules support structures are extremely prone to wind-induced vibrations due to its low frequency and small mass. Wind-induced response and critical wind velocity of a 33

A Review on Aerodynamic Characteristics and Wind-Induced

Response of Flexible Support Photovoltaic System Fubin Chen 1,2, Yuzhe Zhu 2, W eijia W ang 2, Zhenru Shu 3, * and Yi Li 2 1 Key Laboratory of Bridge Engineering Safety Control by Department

A Review on Aerodynamic Characteristics and Wind

Photovoltaic (PV) system is an essential part in renewable energy development, which exhibits huge market demand. In comparison with traditional rigid-supported photovoltaic (PV) system, the flexible photovoltaic

Design Method of Primary Structures of a Cost

Cable-supported photovoltaic systems (CSPSs) are a new technology for supporting structures that have broad application prospects owing to their cost-effectiveness, light weight, large span, high headroom, few pile

Wind-induced vibration response and suppression of the cable

4 天之前· The flexible photovoltaic module support system, which can be used in complex and long-span environments, has been widely studied and applied in recent years. In this study,

Photovoltaic flexible support wind-resistant cable [PDF]

6 FAQs about [Photovoltaic flexible support wind-resistant cable]

Are flexible PV supports sensitive to wind?

Flexible PV supports are highly sensitive to fluctuating wind, and thus numerous scholars have studied the wind-induced response of flexible PV supports.

What is the wind vibration coefficient of flexible PV support structure?

The wind vibration coefficients in different zones under the wind pressure or wind suction are mostly between 2.0 and 2.15. Compared with the experimental results, the current Chinese national standards are relatively conservative in the equivalent static wind loads of flexible PV support structure. 1. Introduction

Do flexible PV support cables reduce vibration?

Liu et al. , designed a 33 m-span flexible PV support aeroelastic model and conducted wind tunnel tests to verify the effectiveness of three types of stabilizing cables in reducing vibrations in the support structure.

How wind induced vibration response of flexible PV support structure?

Aeroelastic model wind tunnel tests The wind-induced vibration response of flexible PV support structure under different cases was studied by using aeroelastic model for wind tunnel test, including different tilt angles of PV modules, different initial force of cables, and different wind speeds.

Are flexible PV support structures prone to vibrations under cross winds?

For aeroelastic model tests, it can be observed that the flexible PV support structure is prone to large vibrations under cross winds. The mean vertical displacement of the flexible PV support structure increases with the wind speed and tilt angle of the PV modules.

Do stability cables improve wind-induced response and critical wind velocity?

Liu et al. studied the wind-induced response and critical wind velocity of a 33-m-span flexible PV module support structure using wind tunnel tests, and assessed the effectiveness of three types of stability cables in enhancing the critical wind velocity.