摘要
本文对40.5KV电压等级真空断路器在开断小容性电流及小感性电流产生操作过电压进行了分析。介绍了SF6断路器性能特点及其在冶金行业控制电炉变压器技术中应用的优越性。
This paper focuses on analysis of the switching over-voltages of 40.5KV vacuum switches interrupting small capacitive current and inductive current. Some characteristics of SF6 switch and the advantages of its application in voltage transformer of metallurgical electric furnace are presented.
出处
《自动化技术与应用》
2013年第5期77-80,共4页
Techniques of Automation and Applications
关键词
操作过电压
截流
重燃
SF6断路器特点
switching over-voltage
chopping current
re-strike
SF6 switch