Design of cable structure photovoltaic flexible support
(PDF) 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,...
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 of three types of stability cables on enhancing the critical wind velocity of the flexible PV modules support structures was carefully examined.
柔性光伏支架结构研究综述 A Research Review of Flexible Photovoltaic Support Structure
In this paper, the new flexible photovoltaic support structure is summarized, and the related research articles on the structural design model and wind-induced effect of the flexible photovoltaic support structure in recent years are summarized, so as to provide a reference for subsequent research. Keywords:Photovoltaic Support, Cable
Tension and Deformation Analysis of Suspension Cable of Flexible
In recent years, a flexible photovoltaic support structure composed of a pre-stressed cable system has been widely used [1] ~ [6], and its span is generally 10m~30m. The structural design of flexible photovoltaic support has also attracted extensive attention. The structural arrangement of the flexible photovoltaic support is shown in Figure 1.
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,
A Review on Aerodynamic Characteristics and Wind-Induced
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 (PV) system structure is much more vulnerable to wind load. Hence, it is imperative to gain a better understanding of the aerodynamic characteristics and
Wind-induced vibration response and suppression of the cable
4 天之前· In recent years, the flexible photovoltaic module support system, as one of the support forms of the photovoltaic modules, has been widely concerned and applied due to its characteristics such as large span, low cost, and can be used in complex scenarios [29] 2008, Bartholet et al. first proposed a "Solar Wing" single-layer flexible photovoltaic module support
Wind-induced vibration and its suppression of photovoltaic modules
Flexible support. Suspension cables. Vibration characteristics and self-excited forces and was expected to complement aeroelastic modeling as a convenient and efficient design tool. It provides an excellent supplement to the traditional structures. The cable-supported PV structures have a long-span, are lightweight, can bear strong
Wind-induced response and control criterion of the double-layer cable
At present, the design standard " Guide for design and installation of photovoltaic flexible support structure." points out that the stiffness design criterion of the cable support photovoltaic module system should be controlled at 1/50, but the stiffness control criterion has no theoretical basis, and the stiffness control standard adopted by Li Shouying et al., 2023
Experimental study on critical wind velocity of a 33-meter-span
Wind load factor is an important parameter for the structural design of the flexible PV support structure. The time history of the maximum displacement in each row of the test model is used to obtain the wind load factors, in which the peak factor is 2.5. Subsequently, the transient response of the cable-support structure and the wind field
Structural design and simulation analysis of fixed adjustable
In order to respond to the national goal of "carbon neutralization" and make more rational and effective use of photovoltaic resources, combined with the actual photovoltaic substation project, a fixed adjustable photovoltaic support structure design is designed. By comparing the advantages and disadvantages of the existing support, an innovative optimization design is proposed, and
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
Experimental study on critical wind velocity of a 33-meter-span
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, Wind load factor is an important parameter for the structural design of the flexible PV support structure. The time history of the maximum displacement in each row
Formulation of Stiffness and Strength Characteristics of Flexible
The proposed formulas are validated as both accurate and practical, effectively reflecting the changes in wire rope forces with varying prestress levels. This study provides valuable insights for the mechanical analysis and structural design of flexible PV mounting systems, offering a robust reference for future engineering applications.
A Review on Aerodynamic Characteristics and Wind-Induced
Wind-Induced Response of Flexible Support Photovoltaic System. Atmosphere 2023, 14, 731.https:// [10,11]. However, it is also equipped with cable structure bearing (see Figure2), smaller cable
Structural design and simulation analysis of fixed adjustable
Analytical studies of a parabolic line concentrator utilizing an aluminum honeycomb support structure and a thin glass reflector laminate. nasa sti/recon technical report n; 1981. Tao HX, Wang XD, Wei ZL, Dai HL. Research and application of structural design of new photovoltaic square array bracket. Journal of Baotou Vocational and
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.
A Research Review of Flexible Photovoltaic Support
The 2011 Japanese Standard Load design guide on structures for photovoltaic arrays was useful in characterizing the pressure coefficients on rooftops, but the Standard employs different wind speed
考虑几何非线性的柔性光伏支架变形与刚度分析
The suspension cable structure with small sag-span ratio (less than 1/30) is adopted in the flexible photovoltaic support, and it has strong geometric nonlinearity. which can provide reference for static analysis and structural design of flexible photovoltaic support. Zhang Yuelong, et al. Wind pressure characteristics and wind
Wind Load and Wind-Induced Vibration of Photovoltaic
(1) Background: As environmental issues gain more attention, switching from conventional energy has become a recurring theme. This has led to the widespread development of photovoltaic (PV) power generation systems. PV supports, which support PV power generation systems, are extremely vulnerable to wind loads. For sustainable development, corresponding
Design Method of Primary Structures of a Cost-Effective Cable
The new CSPS, with a 10% lower cost compared with traditional fix-tilted PV support, is a better alternative to traditional photovoltaic (PV) support systems. In this study, the failure models and bearing capacity of the primary structures of the new CSPS were investigated in detail using the FEM method, and a design method for the new structure was proposed
Tension and Deformation Analysis of Suspension Cable of Flexible
The suspension cable structure with a small rise-span ratio (less than 1/30) is adopted in the flexible photovoltaic support, and it has strong geometric nonlinearity. Based on the principle of energy, the increment of cable force and the change of cable displacement under concentrated force are derived for the suspension cable in an equilibrium state under uniform
柔性光伏支架结构研究综述 A Research Review of
In this paper, the new flexible photovoltaic support structure is summarized, and the related research articles on the structural design model and wind-induced effect of the flexible photovoltaic support structure in recent years are
Flexible Photovoltaic Solar Design | SpringerLink
Flexible Photovoltaic Solar Design Download book PDF. Download book EPUB Then the perovskite module will be deployed in a wilder scale to support the development of distributed energy systems with the lowest levelized cost of energy for any form of PV production. Ohno M (2010). Structural design of the Japan pavilion in Shanghai Expo
(PDF) 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
Optimization Study on Double Layer Cable System Structure of
2. Flexible support structure system for photovoltaic power generation This project adopts a double-layer cable flexible support structure, with a single span of 35832mm. The lower chord cable is the load-bearing cable, and the upper chord cable is the stable cable. The ultimate strength standard value of the steel strand is 1960N/mm2. The
Design Method of Primary Structures of a Cost
The new CSPS, with a 10% lower cost compared with traditional fix-tilted PV support, is a better alternative to traditional photovoltaic (PV) support systems. In this study, the failure models and bearing capacity of the primary
Effect of tilt angle on wind-induced vibration in pre-stressed flexible
The conventional PV system involves installing photovoltaic modules on fixed ground supports, with a maximum span of 5 m. However, PV flexible system, formed by prestressed flexible cable structure is a large-span PV module support with spans of 10–40 m and has gained popularity in recent years.
考虑几何非线性的柔性光伏支架变形与刚度分析
structural design of flexible photovoltaic support. Keywords flexible photovoltaic support, sag-span ratio, suspension cable, static calculation, tangent stiffness 发展可再生能源,加快建设分布式
6 FAQs about [Design of cable structure photovoltaic flexible support]
What are the characteristics of a cable-supported photovoltaic system?
Long span, light weight, strong load capacity, and adaptability to complex terrains. The nonlinear stiffness of the new cable-supported photovoltaic system is revealed. The failure mode of the new structure is discussed in detail. Dynamic characteristics and bearing capacity of the new structure are investigated.
What is cable-supported photovoltaic (PV)?
Cable-supported photovoltaic (PV) modules have been proposed to replace traditional beam-supported PV modules. The new system uses suspension cables to bear the loads of the PV modules and therefore has the characteristics of a long span, light weight, strong load capacity, and adaptability to complex terrains.
What is a supporting cable structure for PV modules?
Czaloun (2018) proposed a supporting cable structure for PV modules, which reduces the foundation to only four columns and four fundaments. These systems have the advantages of light weight, strong bearing capacity, large span, low cost, less steel consumption and applicability to complex terrain.
What are the characteristics of a new cable-supported PV system?
Dynamic characteristics As the new cable-supported PV system has the characteristics of a smaller mass and greater flexibility, vibration suppression is one of the key factors of the new structures. Therefore, the mode shapes and modal frequencies are important parameters in the structural design of the new cable-supported PV system.
What is a PV support structure?
Support structures are the foundation of PV modules and directly affect the operational safety and construction investment of PV power plants. A good PV support structure can significantly reduce construction and maintenance costs. In addition, PV modules are susceptible to turbulence and wind gusts, so wind load is the control load of PV modules.
What is a large-span flexible PV support structure?
Proposed equivalent static wind loads of large-span flexible PV support structure. Flexible photovoltaic (PV) support structure offers benefits such as low construction costs, large span length, high clearance, and high adaptability to complex terrains.
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