Influence of environmental factors on hydrophobicity transfer property of silicone rubber material

2014 International Conference on Advances in Communication and Computing Technologies (ICACACT 2014) Pub Date : 2014-08-01 DOI:10.1109/ICACACT.2014.7223509

Chenglong Zhao, Mingxi Zhu, H. Mei, Li-ming Wang, Z. Guan

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引用次数: 10

Abstract

Silicone rubber materials have been widely used as external insulation for power systems due to their good hydrophobicity and hydrophobicity transfer. However, pollution flashover accidents of composite insulators occurred from time to time in recent years. The influence of environmental condition on hydrophobicity and hydrophobicity transfer property of silicone rubber material needs further research. In this paper, incubator and saturated salt solution were used respectively to control ambient temperature and humidity precisely. Hydrophobicity measurement method were studied and regulated. Using incubator and special temperature control platform, hydrophobicity transfer property of silicone rubber material in different temperature was deeply studied, and the results were analyzed. The results showed that hydrophobicity transfer speed of silicone rubber slowed down with temperature decreased. Meanwhile, the results showed that ambient humidity had a great influence on hydrophobicity transfer property of silicone rubber. Flashover performance of silicone rubber samples with different hydrophobicity was analyzed. The results showed that the pollution flashover performance of composite insulators is closely related to the hydrophobicity state of the polluted surface.

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环境因素对硅橡胶材料疏水转移性能的影响

硅橡胶材料具有良好的疏水性和疏水性转移特性，已广泛应用于电力系统的外绝缘。然而，近年来复合绝缘子污染闪络事故时有发生。环境条件对硅橡胶材料疏水性和疏水性转移性能的影响有待进一步研究。本文分别采用培养箱和饱和盐溶液对环境温度和湿度进行精确控制。对疏水性的测定方法进行了研究和规范。利用培养箱和专用温控平台，对硅橡胶材料在不同温度下的疏水转移性能进行了深入研究，并对结果进行了分析。结果表明，硅橡胶的疏水转移速度随温度的降低而减慢。同时，研究结果表明，环境湿度对硅橡胶的疏水转移性能有很大的影响。分析了不同疏水性硅橡胶样品的闪络性能。结果表明，复合绝缘子的污闪性能与污表面的疏水性密切相关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 International Conference on Advances in Communication and Computing Technologies (ICACACT 2014)

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