Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/6747369 |
| 报告编号 | DOE/JPL-1012-49 |
| 来源ID | OSTI_ID: 6747369 |
| Photovoltaic module soiling studies, May 1978-October 1980 | |
| Hoffman, A.R.; Maag, C.R. | |
| 英文摘要 | The retention of particulate contamination on the surface of flat-plate photovoltaic devices is adversely affecting electrical performance of outdoor-exposed modules. The results of an experimental study being performed by the Jet Propulsion Laboratory's Low-Cost Solar Array Project to characterize and understand the effects of outdoor contaminants on sensitive optical surfaces of flat-plate photovoltaic modules and cover materials are described. Comparative electrical and optical performance data from photovoltaic modules and materials subjected to outdoor exposure at field test sites throughout the United States have been collected and examined. The results show significant time- and site-dependence. During periods when natural removal processes do not dominate, the rate of particulate contamination accumulation appears to be largely material-independent. The effectiveness of natural removal processes, especially rain, is strongly material-dependent. Glass and acrylic top-cover materials retain fewer particles than silicone rubber does. Side-by-side outdoor exposure testing for long duration is presently the most effective means of evaluating soiling differences between materials. Changes in spectral transmission as a function of time and location and limited scattering data are presented. |
| 出版年 | 1980 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 14 SOLAR ENERGY ; SOLAR CELL ARRAYS ; FIELD TESTS ; SURFACE CONTAMINATION ; ATMOSPHERIC PRECIPITATIONS ; COVERINGS ; DUSTS ; ELECTRICAL PROPERTIES ; EXPERIMENTAL DATA ; GLASS ; LIGHT TRANSMISSION ; OPTICAL PROPERTIES ; PARTICLES ; PERFORMANCE ; POLYACRYLATES ; RAIN ; SCATTERING ; SILICONES ; SURFACE CLEANING ; CLEANING ; CONTAMINATION ; DATA ; EQUIPMENT ; ESTERS ; INFORMATION ; NUMERICAL DATA ; ORGANIC COMPOUNDS ; ORGANIC POLYMERS ; PHYSICAL PROPERTIES ; POLYMERS ; POLYVINYLS ; SILOXANES ; SOLAR EQUIPMENT ; SURFACE FINISHING ; TESTING 140600* -- Solar Energy-- Photovoltaic Power Systems ; 140501 -- Solar Energy Conversion-- Photovoltaic Conversion |
| URL | http://www.osti.gov/scitech/servlets/purl/6747369 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/262917 |
| 推荐引用方式 GB/T 7714 | Hoffman, A.R.,Maag, C.R.. Photovoltaic module soiling studies, May 1978-October 1980,1980. |
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