Guangzhou Anern Energy Technology Co., Ltd.

Basic Knowledge of Solar PV Accessories

The efficient operation of solar PV systems relies on the support of various key accessories. These solar PV accessories not only ensure the system's stability and durability but also enhance overall performance. This article will detail the components and basic functions of solar PV accessories to help you better understand this green energy solution.


Main Components of Solar PV Accessories


Solar PV accessories are composed of various interconnected components, each with a specific function and importance. Here are the eight main parts that make up a solar PV system:


Tempered Glass


Tempered glass is the primary protective layer of solar PV accessories, responsible for supporting the entire PV system structure. It has high strength and load-bearing capacity, effectively preventing external environmental damage. Tempered glass also features light transmission, anti-reflective light transmission, water resistance, gas resistance, and corrosion resistance, ensuring the PV system operates efficiently in various environments.


EVA (Ethylene-Vinyl Acetate Copolymer)


EVA is a hot-melt adhesive used to encapsulate solar cells, preventing external environmental impacts on the cells' electrical performance. It enhances the light transmission of solar PV accessories and bonds the cells, tempered glass, and back sheet together with high bonding strength. Additionally, EVA contributes to increased electrical output of PV modules, enhancing the overall system efficiency.


Solar Cells


Solar PV accessories use solar cells as the core component for directly converting light energy into electrical energy. They are made of semiconductor materials and work by generating electron-hole pairs under sunlight. Utilizing the P-N junction barrier's electric field, they separate electron-hole pairs. The separated electrons and holes are collected and output through electrodes, forming a current and achieving photoelectric conversion.


TPT (Back Sheet Material)


TPT is used as the protective encapsulation material for the back side of PV modules, commonly including TPE andPET. It enhances the aging and corrosion resistance of PV modules, extending their service life. The white back sheet scatters light into the PV module, improving light absorption efficiency. Due to its high infrared emissivity, it also lowers the operating temperature of the PV module, further enhancing insulation performance.


Silicone


Silicone is used to bond and seal laminated glass PV modules and bond junction boxes and back sheets. It has excellent UV resistance, enhancing the durability of PV modules and ensuring stable operation in various harsh environments.


Solder Tape


Solder tape is made from oxygen-free copper, cut, and straightened, with all surfaces hot-dipped in a coating. It is used in the production process to lead out and connect solar cell electrodes. Solder tape requires high soldering operability, firmness, and flexibility to ensure electrical connection reliability.


Junction Box


The junction box is an electrical connection device in solar PV accessories used for sealing and waterproofing the PV module's lead wire. It ensures the safety of PV modules during system operation, preventing external environment damage to the electrical connections.


Aluminum Alloy Frame


The aluminum alloy frame is installed on the outer edge of the glass, protecting the edges of the glass. It enhances the sealing performance of the PV module, increases overall mechanical strength, and facilitates the installation and transportation of solar PV accessories.


The Importance of Solar PV Accessories


Solar PV accessories play a crucial role in the entire solar system. The high quality and correct installation of each accessory directly affect the system's efficiency and lifespan. Understanding the composition and functions of these accessories not only helps in selecting the right products but also provides valuable guidance during installation and maintenance.


The successful operation of solar PV systems relies on the efficient coordination of each accessory. From the protective function of tempered glass to the photoelectric conversion of solar cells and the electrical connection of the junction box, every accessory is indispensable. By choosing high-quality solar PV accessories and following proper installation standards, you can ensure long-term stable system operation and contribute to the promotion of green energy.


For more information or expert advice on solar PV accessories, please consult Anern to get the best quality products and services.


Please write down your whatsapp or other contact correctly
Please write down your email address correctly
Please write down your message
Please fill up your requirement, our sales staff will contact you in time.Thank you!
Please write down your whatsapp or other contact correctly
Please write down your email address correctly
Please write down your message
TOP