110kV变电站电源线单相断线故障分析及判断  

Cause Analysis and Judgment on Single-phase Power Line Disconnection of 110kV Substations

作　　者：李标[1] 王少博[1] 芦纪良 马超[1] 

机构地区：[1]国网河北省电力公司石家庄供电分公司,石家庄050051

出　　处：《河北电力技术》2015年第6期59-62,共4页Hebei Electric Power

摘　　要：以110kV王家洞变电站电源线单相断线故障为例,应用对称分量法对故障进行理论分析,得出110kV变电站电源线单相断线故障规律,提出单相断线故障判断方法和注意事项,为变电站值班和调控运行人员提供依据。Taking power line single-phase fault break of 110 kV Wangjidong station as an example, this article uses the theory of symmetrical components to analyze and summarizes the fault law, provides a reliable method and mentions,to eliminate the personal fault accident to the duty officer for the substation and the dispatcher on duty.

关 键 词：变电站 缺相故障 对称分量法 位移电压 

分 类 号：TM726[电气工程—电力系统及自动化] TM407