220kV双母联双分段母线保护接线分析  

Research on busbar protection connection principle of 4-section busbar on 220kV lines

作　　者：杨剑 

机构地区：[1]湖南省送变电建设公司调试所,湖南长沙410012

出　　处：《湖南电力》2008年第6期16-18,共3页Hunan Electric Power

摘　　要：介绍了双母联双分段母线保护配置方式,分析了双母联双分段母线系统保护接线原理,尤其是死区保护及分段断路器失灵保护的动作原理和逻辑,以及分段电流互感器接入母线保护的极性问题。The protection configuration of 4-section busbar system was introduced and the protection connection principle was analyzed. The action principle and logic of dead-zone and CB failure protection were emphasized and the polarity of section current transformer connecting busbar protection was discussed.

关 键 词：母线保护 双母联双分段 死区保护 失灵保护 TA极性 

分 类 号：TM773[电气工程—电力系统及自动化]