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
Key words
intelligent substation/electronic current transformer/abnormal output/defect treatment
维普
万方数据