6kV开关所直流系统接地故障分析及处理探讨

Analysis and Treatment of Grounding Fault of DC System in 6kV Switch Station

整个6kV开关所运行的可靠性取决于直流系统是否运行的安全、稳定,而直流系统接地是造成6kV开关所直流系统运行故障的常见原因。鉴于此,对造成6kV开关所直流系统接地故障的原因进行了解析,并探讨了一系列查找和处理6kV开关所直流系统接地故障的办法,同时提出了定期检测的预防措施。

The reliability of the whole 6kV switch depends on whether the DC system is safe and stable,and the grounding of the DC system is the common cause of the DC system failure of the 6kV switch.In view of this,it analyzes the causes of grounding fault in DC system of 6kV switch,discusses a series of methods to find and deal with grounding fault of DC system of 6kV switch,and puts forward some preventive measures for regular detection.