Description: The scratch exposes the white or unpigmented layer below the surface but has not penetrated the core PET or inner layers. Location: Can be anywhere on the backsheet. For polycrystalline PV panels, self-cleaning film is an economical and excellent solution. It will keep your system running at its best. Understanding these issues can help you identify and address them. . The backsheet is the module's last line of defense against the elements. For 25 years or more, its job is to shield the cells and internal wiring from humidity, temperature swings, and physical damage. A. . If you've noticed mysterious white spots on your photovoltaic (PV) panels, you're not alone. Over 23% of solar system owners report similar discolorations within the first 5 years of installation according to the 2023 Gartner Emerging Tech Report. However, several important. . The utility model discloses a kind of automatic ash-removing cleaning systems of photovoltaic module, photovoltaic module is equipped with automatic ash removing device, deashing device includes motor, ratio wheel, quadric chain, scrapes grey arm arbor and scraping sheet assembly, scraping grey. .
