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XINGHAN AI
Outdoor Operation and Maintenance Solution
● Portable Design: Suitable for outdoor mobile operations.
● Strong Anti-Interference Ability: Tolerates complex environments.
● Rapid Detection: Improves O&M efficiency.
● Accurate Defect Localization: Reduces misjudgment rate.
● Data Visualization: Supports trend analysis.
● Compatibility with Multiple Types of Battery Modules: Adapts to testing of various battery modules.
● Simple Operation: No need for professional O&M teams.
● Offline Operation Support: Usable without a network.
● Safety and Compliance: Meets O&M standards.
● Lightweight Configuration: Reduces O&M costs.
Keyword:
Technology and Process
Solution Introduction
Photovoltaic (PV) power plant maintenance is a core link to ensure its efficient, safe, and sustainable operation, directly affecting the return on investment and environmental benefits. Neglecting maintenance may lead to a year-by-year decline in power generation, frequent sudden failures, and even safety accidents, ultimately turning "green investment" into a burden. A scientific maintenance strategy is the key to the long-term value appreciation of PV assets.
During operation, PV power generation systems are affected by various factors such as the natural environment, equipment aging, and dust obstruction, which may gradually reduce their power generation efficiency. To ensure the long-term stable operation of PV systems and maintain expected power output, it is essential to implement systematic operation and maintenance (O&M) management. The PV O&M solution covers daily inspection, maintenance, and fault handling of equipment such as PV modules, brackets, inverters, and cables, ensuring system safety and performance through standardized operating procedures. Details are as follows:
Module Appearance Inspection: Check for abnormalities such as cracks, hot spots, and discoloration on PV modules. Broken glass or hidden cracks in cells may cause leakage risks and accelerate power attenuation. Meanwhile, observe whether the module backsheet has bulges or burn marks, whether the junction box is properly sealed, and whether cable connections are loose or corroded.
Insulation Resistance Testing: Regularly measure the insulation resistance of the DC side and AC side to the ground to detect insulation degradation trends in a timely manner. Testing should be conducted on cloudy days or at night when the modules have no current output. If the measured resistance is lower than the standard requirement, troubleshoot the fault points in sections, focusing on issues such as cable damage and water ingress in joints.
Module Hot Spot Detection: Hot spots refer to local overheating of modules, usually caused by cell cracks, internal connection failures, or severe shading. Infrared thermometers can be used to intuitively locate hot spot positions. Mild hot spots may only cause power attenuation, while severe ones may burn the modules or even trigger fires. Once hot spots are detected, replace the damaged modules promptly and analyze the causes to avoid recurrence.
Product List
● Outdoor EL Tester
● Infrared Thermal Imager
● Ground Resistance Tester
● Portable IV Tester
Industrial Standard
● GB/T 50796-2012 Code for Acceptance of Photovoltaic Power Generation Projects
● GB 50797-2012 Code for Design of Photovoltaic Power Stations
● GB 50794-2012 Code for Construction of Photovoltaic Power Stations
● GB/T 20513-2006 Performance Testing of Photovoltaic Systems - Guidelines for Measurement, Data Exchange and Analysis
● CNCA/CTS 0004-2010 Basic Requirements for Acceptance of Grid-Connected Photovoltaic Power Generation System Projects
● CNCA/CTS 0016-2015 Technical Specifications for Performance Testing and Quality Evaluation of Grid-Connected Photovoltaic Power Stations
● CQC 9102-2012 Technical Requirements for Evaluation of Photovoltaic Power Generation Systems
● CGC/GF 003.1:2009 Basic Requirements for Acceptance of Grid-Connected Photovoltaic Power Generation System Projects
● IEC 62446:2009 Basic Requirements for Documentation, Commissioning Tests and Inspections of Grid-Connected Photovoltaic Systems
● IEC 62446-1-2016 Photovoltaic (PV) Systems - Requirements for Testing, Documentation and Maintenance - Part 1: Grid-Connected Systems - Documentation, Commissioning and Inspection
Keyword:
Customized service process
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Add: Room 3513 World Trade Building No.686 Jiefang Ave Wuhan City China
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