研究目的
Investigating the effect of dust adhesion on photovoltaic modules and evaluating the performance of a new tracker system with a downward-facing standby state to reduce soiling.
研究成果
The tracker system with a downward-facing standby state consistently achieved a more-than-5% higher transmittance compared to the traditional upward-facing system, indicating its potential to significantly reduce soiling on photovoltaic modules and improve their performance.
研究不足
The study was conducted in a relatively clean rural area with significant rainfall, which may not fully represent the conditions in dustier or drier areas where the effect of the downward-facing standby state could be more pronounced.
1：Experimental Design and Method Selection:
Prepared two tracker systems (new system with downward-facing standby state and typical system with upward-facing standby state) to evaluate soiling on PMMA and glass substrates.
2：Sample Selection and Data Sources:
Used PMMA and glass substrates exposed to outdoor conditions in Miyazaki, Japan, for 20 months.
3：List of Experimental Equipment and Materials:
Spectrophotometer (JASCO, V-570) for transmittance measurements.
4：Experimental Procedures and Operational Workflow:
Measured transmittance of substrates every two weeks with and without an integrating sphere.
5：Data Analysis Methods:
Analyzed transmittance data to assess the effect of soiling on photovoltaic performance.
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