Study on Anti-pollution Flashover Durability of Superhydrophobic Insulating Coating Surface

2022 12th International Conference on Power and Energy Systems (ICPES) Pub Date : 2022-12-23 DOI:10.1109/ICPES56491.2022.10072564

Jinyu Chen, Wenxin Chen, Han Lin, Zihan Chen, Simin Chen, Guansan Chen

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Abstract

The anti-pollution flashover performance of superhydrophobic coatings is one of the key factors that determine whether it can be further applied and promoted in the field of external insulation of power systems. However, there is a lack of theoretical and experimental research on the anti-pollution flashover durability of the superhydrophobic coating surface. This paper introduces the influence of corrosion on the anti-pollution flashover performance of the superhydrophobic coating surface, comprehensively analyzes the corrosion resistance mechanism of the coatings from both physical structure and chemical properties, and proposes a method to improve the anti-pollution flashover durability of the coatings. Furthermore, the anti-pollution flashover durability of the superhydrophobic coating surface was evaluated through experiments. The results show that the leakage current of the corroded superhydrophobic coating surface is still far less than that of the RTV coating and uncoated surface.

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超疏水绝缘涂层表面抗污闪络耐久性研究

超疏水涂料的抗污闪络性能是决定其能否在电力系统外绝缘领域得到进一步应用和推广的关键因素之一。然而，对超疏水涂层表面抗污染闪络耐久性的理论和实验研究还比较缺乏。介绍了腐蚀对超疏水涂层表面抗污闪性能的影响，从物理结构和化学性能两方面全面分析了涂层的耐腐蚀机理，提出了提高涂层抗污闪耐久性的方法。此外，通过实验对超疏水涂层表面的抗污闪耐久性进行了评价。结果表明，腐蚀后的超疏水涂层表面泄漏电流仍远小于RTV涂层和未涂层表面。

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2022 12th International Conference on Power and Energy Systems (ICPES)

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