220kV变电站110kV母线失压误动作分析  

Analysis of the 110 kV bus no-voltage malfunction in 220 kV substation

作　　者：翁时军 王岩[2] 李嗣明 

机构地区：[1]昌江供电局,海南海口5727002 [2]海南电网公司,海南海口570203 [3]万宁供电局,海南万宁571500

出　　处：《贵州电力技术》2013年第10期27-28,67,共3页Guizhou Electric Power Technology

摘　　要：2012年3月14日海南电网某220 kV变电站110 kV母线保护Ⅱ母、Ⅰ母相继动作,造成部分110 kV变电站失压的过程,并分析了在Ⅱ段母线故障且母差动作后,根据Ⅰ母出现误动作的成因及务件,提出了相关反措。This paper introduced the wad operation in 110 kV bus I and bus II protection in a 220 kV substation on 14th, March, 2012 in Hainan Power Grid, which caused no -voltage in some 110 kV substations. After the bus II fault and its bus differential protection, the malfunction cause and condition of the bus I protection was analyzed, and the relevant measures were proposed.

关 键 词：保护动作分析 母差保护 误动作 

分 类 号：TM63[电气工程—电力系统及自动化]