智能变电站电子式电流互感器输出异常缺陷处理  

Study on Treatment of Abnormal Output Defects of Electronic Current Transformer in Intelligent Substation

作　　者：徐聪 徐念云 沈晓东 XU Cong;XU Nianyun;SHEN Xiaodong(Super High Voltage Branch of State Grid Shanghai Electric Power Co.,Ltd.,Shanghai 200120,China)

机构地区：[1]国网上海市电力公司超高压分公司,上海200120

出　　处：《山西电力》2024年第1期24-28,共5页Shanxi Electric Power

摘　　要：在介绍电子式电流互感器基本概念、工作原理和应用分类基础上,结合上海电网220 kV智能变电站主变高压侧中性点电子式电流互感器输出异常实例,详细介绍了故障的排查及处理过程,提出了电子式电流互感器缺陷处理的措施和注意事项,以指导智能变电站电子式互感器的运维管理。Based on an introduction of the basic concept,working principle and application classification of electronic current transformer,combined with the abnormal output of the neutral point electronic current transformer at the high voltage side of the main transformer in the 220 kV intelligent substation of Shanghai Power Grid,the troubleshooting and treatment process are analyzed in detail.The measures and precautions for defect treatment of electronic current transformer are put forward,so as to guide the operation and maintenance management of electronic transformer in intelligent substation.

关 键 词：智能变电站 电子式电流互感器 输出异常 缺陷分析 

分 类 号：TM63[电气工程—电力系统及自动化] TM452