220 kV线路合并单元电压采样异常分析

Analysis of Voltage Sampling Abnormality of a 220 kV Line Merging Unit

文章介绍了一起某智能变电站220 kV线路间隔合并单元电压采样异常情况,详细阐述了引起该故障的原因及解决故障的过程,着重介绍了对故障元件的检查、分析,最后提出了针对这类故障的防范措施。

This paper introduces an abnormal situation of voltage sampling of a 220 kV line interval merging unit in a smart substation,elaborates on the cause of the fault and the process of solving the fault,focuses on the inspection and analysis of the faulty element,and finally puts forward precautions against such fault.