35kV小电流接地系统电压不平衡现象的分析和处理

Analysis and treatment of voltage unbalancement phenomenon for 35kV low-current grounding system

通过一起变电站35kV母线电压异常情况的分析和处理,总结了变电站35kV电压异常的各类情况,分析了各种故障原因,提出了故障判断及处理的步骤和原则。

By the analysis and treatment to 35kV bus voltage of a substation,the abnormal cases are summarized,and the fault cause is analyzed.In the end,the fault diagonosis and treatment procedure and princilpe are also put forward.