直流125 kV电压互感器介损试验测试误差值分析  

Analysis on Margin of Error in DC 125 k V Voltage Transformer Dielectric Loss Test

作　　者：孙卓凝 袁僮瞳 SUN Zhuoning;YUAN Tongtong(Overhauls Office State Grid Liaoning Electric Power Supply Co.Ltd.,Shenyang 110055,China)

机构地区：[1]国网辽宁省电力有限公司检修分公司,沈阳110055

出　　处：《农业科技与装备》2017年第10期28-29,33,共3页Agricultural Science & Technology and Equipment

摘　　要：高压介损测量是掌握电气设备绝缘状况的有效方法之一。分析直流125 k V电子式电压互感器测试值异常情况,找出测试值误差偏大的原因,给出相应的改进措施,并提出电子式互感器介损测试中需要注意的事项,以期为此类产品的介损测量提供参考。High-voltage dielectric loss test is one of the effective method to judge electrical equipment insulation state.This paper analyzed the abnormal dielectric loss test value of DC 125 kV electronic voltage,found the causes of bigger margin of error,provided the corresponding improvement measures,and put forward the needed cautions in electronic transformer dielectric loss test,in order to provide reference for dielectric loss test of this kind of products.

关 键 词：电压互感器 介损测量 误差 分析 

分 类 号：TM451[电气工程—电器]