高压开关设备密度继电器连接直流接地问题分析及处理办法

Analysis and Treatment Methods of DC Grounding of Density Relay Connection in High Voltage Switchgear

针对变电站在运高压开关设备时有发生SF_(6)气体密度继电器连接回路直流接地的问题,结合产品机构设计,对故障发生的原因进行了详细分析,并给出了相应的优化改进解决办法,为高压开关设备SF_(6)气体密度继电器连接回路设计提供借鉴,为变电站、设备制造厂家或同行业者查找类似故障原因及分析提供思路和参考。

In view of the DC grounding fault of SF 6 gas density relay connection circuit in the operation of high-voltage switchgear in substation,combined with the product mechanism design,the causes of the fault are analyzed in detail.Corresponding optimization and improvement solutions are given,which can provide reference for the design of SF6 gas density relay connection circuit of high-voltage switchgear,and provide ideas and references for substations,equipment manufacturers or the same industry to find and analyze similar fault causes.