研究目的
Investigating the degradation effects and relevant loads and stress factors on PV modules operating outdoors.
研究成果
The chapter provides a comprehensive overview of the external loads affecting PV module degradation, highlighting the importance of understanding these factors for ensuring the long-term performance and reliability of PV modules. It emphasizes the need for careful consideration of environmental conditions in the design and testing of PV modules to mitigate degradation effects.
研究不足
The study primarily focuses on external loads and their impact on PV module degradation, with less emphasis on internal loads. The measurement of UV-irradiation is noted to be neither cheap nor precise, and the determination of microclimatic humidity directly at or in the material is often not possible or influenced by artefacts.
1：Experimental Design and Method Selection:
The chapter discusses the categorization of loads into external and internal, detailing their properties and influences on PV modules.
2：Sample Selection and Data Sources:
Focuses on PV modules and their exposure to various environmental factors.
3：List of Experimental Equipment and Materials:
Mentions the use of sensors for temperature and humidity measurements, and references to international standards like IEC 904-3 for solar spectrum measurement.
4：Experimental Procedures and Operational Workflow:
Describes the impact of various environmental factors on PV modules, including UV-radiation, temperature, humidity, mechanical loads, and chemical factors.
5：Data Analysis Methods:
Utilizes the Arrhenius equation to describe the influence of temperature on degradation processes and discusses the calculation of UV dose and water vapor transmission rates.
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