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电网技术  2010 

染污方式对复合绝缘子交流覆冰闪络特性的影响

, PP. 216-219

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Abstract:

在人工气候室内分别对2种染污方式(固体涂层法、覆冰水电导率法)下,FXBW–10/70、FXBW–35/702种复合绝缘子进行了试验研究,得到了2种染污方式的等价关系,并分析了2种染污方式对试验结果和复合绝缘子闪络过程的影响。试验结果表明,覆冰水电导率(20℃)与盐密呈幂指数关系,并且特征指数与复合绝缘子型式无明显关系;固体涂层法试验结果的分散性比覆冰水电导率法大;2种染污方式的闪络发展过程存在差异,固体涂层法对复合绝缘子的破坏较覆冰水电导率法要大。

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