电容式复合绝缘母线特性及绝缘试验研究  

Analysis on the Characteristics and Dielectric Test of Capacitive Composite Insulation Bus Bar

作　　者：贾涛[1] 刘宸[1] 李博[1] 李强[1] 周小乐 夏立迎 

机构地区：[1]西安高压电器研究院有限责任公司,西安710077 [2]天津沃尔法电力设备有限公司,天津301721

出　　处：《高压电器》2017年第5期159-163,169,共6页High Voltage Apparatus

摘　　要：文中介绍了一种新型电容式复合绝缘母线,重点对其结构以及绝缘试验方法进行了分析。其中在雷电冲击试验中应用一种滤波电路,通过仿真计算分析其参数对试验波形的影响,并在实际试验中验证了回路的效果,能够解决此类试品的波形调节问题;根据局部放电测量结果,分析了可能影响母线局部放电量的因素。最后对此类母线的绝缘试验方法提出几点建议,为此类母线产品的试验与运行提供了参考。A new type of capacitive composite insulation bus bar is introduced in this paper. The structure and the dielectric test method are analyzed. A kind of filter circuit is used in lightning impulse voltage test; the influence of its parameters on test waveform is analyzed by simulation,and the feasibility of this method is verified during tests, using this method helps to solve the problem of adjusting lightning impulse waveform. According to the results of partial discharge measurement,the factors that may affect the partial discharge of bus bar are analyzed. Finally,some suggestions are put forward for the insulation test method of such bus bar,which provides reference for the test and operation of such bus products.

关 键 词：电容式复合绝缘 母线 雷电冲击 局部放电 

分 类 号：TM855[电气工程—高电压与绝缘技术]