污秽绝缘子闪络特性研究现状及展望_张志劲.pdf
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DOI:10.13335/j.1000-3673.pst.2006.02.007
30 卷 2 期 电 网 技 术 Vol.30 No. 2
2006 年1 月 Power System Technology Jan. 2006
文章编号:1000-3673 (2006 )02-0035-06 中图分类号:TM86 文献标识码:A 学科代码:470 4037
污秽绝缘子闪络特性研究现状及展望
张志劲,蒋兴良,孙才新
(高电压与电工新技术教育部重点实验室(重庆大学),重庆市 沙坪坝区 400044 )
Present Situation and Prospect of Research on Flashover Characteristics
of Polluted Insulators
ZHANG Zhi-jin ,JIANG Xing-liang,SUN Cai-xin
(Key Laboratory of High Voltage and Electrical New Technology (Chongqing University) ,Ministry of
Education,Shapingba District,Chongqing 400044 ,China )
ABSTRACT:The research status on flashover characteristics of 面展开了电网污区分布图的绘制工作,制定了一系
polluted insulators in recent decades, including methods to token 列防污闪技术的政策和管理规定,并于20 世纪90
the operation condition of polluted insulators, correlation among 年代在各电网进行了3 次不同程度的输变电设备特
flashover voltage, pollution level and air pressure, and problems
别是输电线路爬距的调整。但污闪事故并未从电网
to be clarified are summarized. Meanwhile the prospect on the
中消失,特别是20 世纪90 年代以来我国电网较大
research of pollution characteristics of insulators in the future is
described and the maj or research contents from now on, such as 规模区域性的污闪事故日益频繁发生,即我国电网
the artificial testing method of polluted insulators, the flashover 的安全运行仍承受 大面积污闪的风险,可见现有
characteristics of long string of insulators under the complicated 的污闪研究成果仍无法满足实际线路运行的需要。
conditions of low air pressure, ice or snow coating, acid rain or 在雾、露、毛毛雨等不利气象条件下,污秽绝
fog and the revisio
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