叶自强
YE Zi-qiang(Zhejiang Electric Power Test and Research Institute

• 1:浙江省电力试验研究院

摘要(Abstract)：

针对220kV闸刀支柱绝缘子发生断裂的原因及机理进行了分析,指出绝缘子瓷质劣化及操作时冲击应力作用是断裂的二大原因。为防止同类事故的再次发生,提出对类似支柱绝缘子仍需运行的应经超声波探伤检测的观点。
220 kV switch post insulator breakdown accident in Lishui Substation is introduced. The post insulator breakdown mechanism is analyzed. To prevent similar accident, ultrasonic inspection is recommended.

关键词(KeyWords)： 支柱绝缘子;断裂;原因;分析
post insulator; breakdown; reason; analysis

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 叶自强
YE Zi-qiang(Zhejiang Electric Power Test and Research Institute

DOI: 10.19585/j.zjdl.2009.01.012

参考文献(References)：

• 郑志成.绝缘子及输变电设备外绝缘[M].北京:清华大学出版社,2005.