电子式电流互感器应用现状及发展趋势  

Development status and challenges of electronic current transformer

作　　者：陈佳旗 贾春荣 邸志刚 刘继腾 卓越 Chen Jiaqi;Jia Chunrong;Di Zhigang;Liu Jiteng;Zhuo Yue(College of Electrical Engineering,North China University of Science and Technology,Tangshan 063210,China)

机构地区：[1]华北理工大学电气工程学院,唐山063210

出　　处：《电子测量技术》2022年第17期144-152,共9页Electronic Measurement Technology

基　　金：河北省教育厅科学技术研究项目(ZD20131024,ZD2021332);华北理工大学培育基金(SP201502)项目资助。

摘　　要：电流互感器在电力系统的交流电测量、继电保护、电力设备检修控制等相关领域均具有十分重要的地位。目前电磁式电流互感器逐渐暴露绝缘差、抗干扰能力弱等多种缺点,而电子式电流互感器凭借自身绝缘性好、体积小、可数字化等特点有望成为未来电气领域检测电流的主要设备。本文以电子式电流互感器的研究发展现状切入,通过空心线圈电流互感器(即Rogowski线圈式电流互感器)、低功率电流互感器(LPCT)、光学电流互感器展开进行系统论述,重点分析各自的组成结构及工作原理,并对其优缺点进行总结,提出改进之处。在此基础上指出电子式电流互感器在设备供能、环境适应、传感方式等方面所面临的挑战,并从传感机制和传感材料对其未来的发展趋势做出展望。Current transformer plays an extremely important role in AC measurement,relay protection,maintenance control of power equipment and other related fields of electric system.At present,electromagnetic current transformer has exposed many shortcomings gradually,such as poor insulation and weak anti-interference ability.while electronic current mutual inductance is expected to become the main equipment for detecting current in the future due to its good insulation,small size and digitalization.By describing the research and development status of electronic current transformers,this paper focuses on Rogowski coil current transformers(Rogowski coil current transformers),low-power current transformers(LPCT)and optical current transformers,by analyzing their respective structures and working principles,this paper summarized their advantages and disadvantages,and put forward some improvements.On this basis,it pointed out the challenges faced by electronic current transformers in equipment power supply,environmental adaptation,sensing methods,etc.,and looked forward to its future trend from the sensing mechanism and sensing materials.

关 键 词：电子式电流互感器 ROGOWSKI线圈 低功耗电流互感器 光学电流互感器 发展趋势 

分 类 号：TM452[电气工程—电器]