220kV变电站SF_(6)密度监测智能化改造施工方案

Retrofit Scheme of 220 kV Substation for Smartening SF_(6) Density Monitoring

现有的变电站通常安装不具有远传功能的机械式SF_(6)气体密度继电器,需要巡检人员在现场逐个抄录密度继电器表盘示值,重复劳动强度大且工作效率低。针对上述问题,同时为响应国家智能电网建设计划,以广西百色茗雅站220 kV设备区为例,详述其SF_(6)密度监测智能化改造施工方案,以期为智能变电站建设提供工程经验。

SF_(6)protection in substations conventionally relies on mechanical relays without remote transmission functions.In that case inspectors need to record dial readings of relays on site one by one,and this work is obviously highly repetitive,labor-intensive,and inefficient.In view of the aforementioned problems,and in response to the national smart grid construction plan,this paper reports in detail a retrofit scheme of the equipment zone of an actual case,i.e.Baise Mingya 220 kV substation in Guangxi,for realizing smartened SF_(6)density monitoring,which is expected to provide useful information for the construction of smart substations.