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

作　　者：王飞 周自强 赵婷 胡晓军 WANG Fei;ZHOU Ziqiang;ZHAO Ting;HU Xiaojun(State Grid Hefei Power Supply Company,Hefei 230022,China)

机构地区：[1]国网合肥供电公司,安徽合肥230022

出　　处：《安徽电气工程职业技术学院学报》2023年第1期57-62,共6页Journal of Anhui Electrical Engineering Professional Technique College

摘　　要：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.

关 键 词：智能变电站 合并单元 电压采样 故障元件 防范措施 

分 类 号：TM63[电气工程—电力系统及自动化]