期刊
IEEE JOURNAL OF PHOTOVOLTAICS
卷 6, 期 1, 页码 236-243出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOTOV.2015.2495208
关键词
Artificial soiling; photovoltaic (PV) modules; quantum efficiency (QE); soiling loss; solar cells
资金
- U.S.-India Partnership to Advance Clean Energy Research for the Solar Energy Research Institute for India and the United States - U.S. Department of Energy (Office of Science and Energy Efficiency and Renewable Energy) [DE-AC36-08GO28308]
- U.S.-India Partnership to Advance Clean Energy Research for the Solar Energy Research Institute for India and the United States - Government of India, Department of Science and Technology [IUSSTF/JCERDC-SERIIUS/2012]
- Ministry of New and Renewable Energy, Government of India
Evaluation of soiling loss on photovoltaic (PV) modules in a geographical location involves collecting data from a fielded PV system of that location. This is usually a time-consuming and expensive undertaking. Hence, we propose collecting dust samples from various location of interest, preferably from the module surface, and use them as dust samples so that the soiling experiments can be conducted in the laboratory. In this work, a low-cost artificial dust deposition technique is utilized that could be used to deposit dust on a module surface in a controlled manner, which helps in predicting soiling loss associated with various dust properties, including densities, chemical compositions, and particle sizes. The soil samples covering diverse climatic conditions and six different geographic locations covering all of India were collected and investigated. Soiling loss on a silicon solar cell with Mumbai dust (17.1%) is about two times that of Jodhpur dust (9.8%) for the same soil gravimetric density of 3 g/m(2). The dust collected from Mumbai showed the highest spectral loss, followed by Pondicherry, Agra, Hanle, Jodhpur, and Gurgaon. The worst affected module technology was amorphous silicon (17.7%), followed by cadmium telluride (15.7%), crystalline silicon (15.4%), and CIGS (14.5%) for the same density (1.8 g/m(2)) of dust from Mumbai.
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