3/2接线电流互感器安装位置和方向对保护的影响  

Impact of 3/2Wiring Current Transformer Installation Position and Direction on Protection

作　　者：罗虎[1] 罗旭[1] 郭夏[1] 

机构地区：[1]国网河南省电力公司检修公司,河南南阳473000

出　　处：《电工电气》2013年第10期44-46,共3页Electrotechnics Electric

摘　　要：介绍了500kV主接线的特点,结合现场案例,分析了500kV变电站3/2接线电流互感器安装位置和方向不同对保护的影响,指出在设计时要根据使用特点,合理地选择电流互感器的安装位置、P1的方向、二次绕组的套装位置,保证系统稳定运行。Introduction was made to characteristics of 500 kV main wiring. Combined with onsite cases, this paper analyzed the impacts of 500 kV substation 3/2 wiring current transformer installation position and direction difference on protection. It was pointed out that in design the installation position of current transformer should be reasonably selected according to its use features, as well as the direction of P1 and suit posi- tion of secondary winding so as to assure stable operation of the system.

关 键 词：电流互感器 3 2接线 安装位置 

分 类 号：TM452[电气工程—电器] TM64