CONTENTS 1 Introduction ................................. 3 2 Safety Rules .................................. 3 3 Site Condition ................................4 4 Visual Inspection ................................. 4 5 Requirements for Cleaning Time and Frequency ....................4 5.1 Cleaning Time ................................4 5.2 Cleaning Frequency ............................... 5 6 Requirements for Cleaning Water and Detergent ....................5 6.1 Water Quality Requirement ............................
1 Introduction The amount of electricity generated by a PV module is proportional to the amount of light captured, and a module with shaded cells will generate less energy, moreover, dirt or foreign objects like bird droppings and leaves left on the front side of the module will cause safety risks, such as hot spot issues, therefore, it is important to keep PV modules clean.
Do not cut the wires while the module is under load. Do not open Fuse Switch Disconnectors if they do not have protection to mitigate electrical arcing. 3 Site Condition For details on the recommended installation environment for the modules, please refer to the Jinko module installation manual.
5.2 Cleaning Frequency The cleaning frequency depends on the local environment. Generally, it is recommended to clean the modules at least once a month, but adjust the schedule based on specific environmental conditions and module performance. In regions with high dust, pollution, or significant bird droppings, more frequent cleaning may be necessary. For modules with a smaller installation tilt, dust accumulation tends to be more severe.
cleaners, or polishing agents. Avoid using alkanes, aromatic hydrocarbons, and organic solvents that are difficult to evaporate for cleaning. If the cleaning team confirms that extreme cleaning methods are indeed necessary, please contact the Jinko Solar after-sales team for confirmation of the cleaning method. After using any cleaning agents, a final rinse with water is required to avoid any residue.
For stubborn residues such as dirt, bird droppings, or any sticky substances firmly adhered to the module that won't budge with sweeping, use a plastic scraper or gauze for a more thorough scrubbing treatment. This step is crucial for removing anything that clings tightly to the module's surface, ensuring a deep clean. Step 4: Rinse When cleaning photovoltaic modules, start with a simple water flush for clear surfaces.
Furthermore, the modules and their associated components should be checked to ensure there is no damage, such as broken glass, a damaged backsheet, frames that are twisted or deformed, cable damage, connectors that are disconnected or broken, junction boxes that are damaged, or brackets that are tilted or bent. If any of the aforementioned issues are detected, it is crucial to immediately inform the power station's O&M staff for professional intervention.
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