SF_6断路器高寒地区使用探讨  

Discussion on Use of SF_6 Circuit Breakers in Alpine Region

作　　者：李波涛[1] 周毅[1] 徐党国[2] 郭亮[2] 

机构地区：[1]张家口供电公司,河北张家口075000 [2]华北电力科学研究院有限责任公司,北京100045

出　　处：《华北电力技术》2015年第1期37-40,共4页North China Electric Power

摘　　要：针对高寒地区SF6断路器运行过程中发生的本体低气压报警、闭锁及机构机械特性异常现象,从设备本体灭弧介质使用、保护控制回路解除、密度继电器改造、机构辅助加热等角度出发提出相应解决措施,并分析各种措施的适用性及优缺点。Aiming at the body low pressure alarm, locking and the abnormal phenomenon of mechanical properties, occurred in the operation process of SF6 circuit breaker in alpine area, from the view of the device body arc extinguishing media use, the rescission of protection control circuit, density relay mechanism transformation, the auxiliary heating for mechanism it put forward the corresponding solving measures, and analyzed the applicability and advantages and disadvantages of such measures.

关 键 词：SF6断路器 低温 报警 闭锁 措施 

分 类 号：TM415[电气工程—电器]