高压变频柜绝缘导线的局放原因分析及解决办法  

Reason Analysis on Partial Discharge of Insulated Conductor for High Voltage Frequency Conversion Cabinet and Its Solutions

作　　者：朱泽慧 张春辉 张雨[1] 杨匀阳 谢斯晗 夏斌[1] 周达[1] 

机构地区：[1]长沙理工大学电气与信息工程学院,长沙410076 [2]长沙信长电力科技有限公司,长沙410076

出　　处：《绝缘材料》2015年第2期68-71,共4页Insulating Materials

摘　　要：针对高压变频柜绝缘导线绑扎点附近出现白色附着物的现象进行分析和讨论。研究表明将绝缘导线之间微小的空气间隙类比于绝缘层内部有空气间隙,其空气间隙为局部放电创造条件,导致导线绝缘层之间发生局部放电时产生白色附着物。用MATLAB仿真对局部放电起始电压进行分析,提出了解决办法。An appearance of white attachments on the colligation position of insulated conductors in highvoltage frequency conversion cabinet was analyzed and discussed. The tiny air gaps between the insulatedconductors were in analogy to the air gaps in the insulation layer, and the air gaps would lead to partialdischarge and produce white attachments between insulating layers of conductors. The partial dischargeinception voltage was analyzed by MATLAB simulation, and corresponding solutions were put forward.

关 键 词：10kV绝缘电缆 空气间隙 局部放电 起始放电电压 

分 类 号：TM855[电气工程—高电压与绝缘技术]