太陽光発電の架台構造と基礎材料の紹介

What is a Photovoltaic Mounting Structure?

A photovoltaic mounting structure is a structural component used to install, secure, and support solar photovoltaic panels. Its primary function is to ensure that the PV panels are fixed at the correct angle and position, maximizing the absorption of solar radiation and enhancing power generation efficiency. Depending on the installation environment and application, PV mounting structures can be categorized into various types, including ground mounts, rooftop mounts, pole mounts, carport mounts, and more.

Main Functions of Photovoltaic Mounting Structures:

Secure and support PV panels
Adjust the angle of PV panels
Durability and corrosion resistance
Simplify installation and maintenance

What is a Photovoltaic Mounting Structure Foundation?

The manufacturing materials for PV mounting structures are diverse, playing a crucial role in the flexible and sturdy support of the PV panels. Here are some of the primary materials and processes used for manufacturing:

Hot-Dip Galvanized Steel Process

Hot-dip galvanization involves applying a zinc coating to the surface of the metal, enhancing its corrosion resistance and aesthetics. The primary process steps include material preparation, cutting, welding, acid pickling, hot-dip galvanization, cooling, and inspection.

Features:

• Strong corrosion resistance, suitable for harsh environments
• Relatively low cost, suitable for large-scale applications
• High strength, capable of handling significant wind and snow loads

Application Scenarios:
Suitable for large-scale ground-mounted photovoltaic power stations, particularly in corrosive environments such as coastal areas and industrial zones.

Aluminum Alloy Process for Photovoltaic Mounting Structures

The aluminum alloy process uses steps like extrusion, cutting, drilling, and anodizing to manufacture PV mounting structures.

Features:
Lightweight, convenient for transportation and installation
Strong corrosion resistance, suitable for outdoor environments
Aesthetically pleasing, with good surface treatment results

Application Scenarios:
Suitable for rooftop photovoltaic systems and medium-sized ground-mounted photovoltaic power stations, especially in building-integrated photovoltaic (BIPV) applications.

Stainless Steel Process for Photovoltaic Mounting Structures

The stainless steel process involves cutting, welding, and polishing to manufacture PV mounting structures.
Features:
Extremely strong corrosion resistance, suitable for extreme environments
High strength, capable of handling heavy loads
Long service life, low maintenance costs
Application Scenarios:
Suitable for photovoltaic power stations in highly corrosive environments such as coastal areas and near chemical plants.

Galvanized Steel Plate Process for Photovoltaic Mounting Structures

The galvanized steel plate process involves cutting, forming, punching, and assembling to manufacture PV mounting structures.
Features:
Excellent corrosion resistance and heat resistance
Lower cost, good economic feasibility
Moderate strength, suitable for most application scenarios
Application Scenarios:
Suitable for various ground-mounted photovoltaic power stations and rooftop photovoltaic systems, particularly for medium-sized projects.

Composite Material Process for Photovoltaic Mounting Structures

The composite material process involves mixing, forming, curing, and cutting to manufacture PV mounting structures.
Features:
Lightweight, easy to transport and install
Good corrosion resistance, suitable for corrosive environments
Excellent electrical insulation
Application Scenarios:
Suitable for special environments and application scenarios, such as highly corrosive areas or places requiring electrical insulation.

Conclusion

Different manufacturing processes and materials have their own advantages and disadvantages. Choosing the right PV mounting structure material and process requires a comprehensive consideration of the specific needs of the project, environmental conditions, cost budget, and other factors. The appropriate selection and application of these materials and processes can effectively enhance the efficiency and reliability of photovoltaic systems.

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