CLEANING PERIOD OPTIMIZATION OF DUST ACCUMULATION ON PV MODUIES ON HIGHWAY SLOPES

Liao Guangrong; Cui Peiqiang; Jia Ximing; Zheng Liyun; Liu Jin; Li Jianlan

doi:10.19912/j.0254-0096.tynxb.2024-0888

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (9) : 594-601. DOI: 10.19912/j.0254-0096.tynxb.2024-0888

CLEANING PERIOD OPTIMIZATION OF DUST ACCUMULATION ON PV MODUIES ON HIGHWAY SLOPES

Liao Guangrong¹, Cui Peiqiang¹, Jia Ximing², Zheng Liyun², Liu Jin¹, Li Jianlan²

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Abstract

The laws of dust accumulation on the PV modules on highway slopes and the influence of the dust accumulation on the operating efficiency of the PV modules are obtained by experiments and simulation, as well as the optimization model of the cleaning cycle of the PV on the highway slope is established. The results show that the dust accumulation density on the PV modules on highway slopes increases with the increase over time, but the dust accumulation rate decreases with the increase over time. When the dust accumulation density increase from 0 to 2, 4, 6, 8, 10 g/m², the operating efficiency of the PV modules decrease from 21.1% to 17.4%, 14.7%, 11.2%, 10.0%, 8.4%, respectively. During a period of 28 days without precipitation in winter in Jinxiang County, Shandong Province, the highest net benefit of the cleaning of the PV on the highway slope is 0.48 RMB/kW by carrying out 1 cleaning operation.

Key words

PV power / dust / PV modules / cleaning / highway slopes / optimization

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Liao Guangrong, Cui Peiqiang, Jia Ximing, Zheng Liyun, Liu Jin, Li Jianlan. CLEANING PERIOD OPTIMIZATION OF DUST ACCUMULATION ON PV MODUIES ON HIGHWAY SLOPES[J]. Acta Energiae Solaris Sinica. 2025, 46(9): 594-601 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0888

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