光学电流互感器的关键技术发展综述  

Review on Key Technology Development of Optical Current Transformer

作　　者：王倩 赵书耀 曹琦 孙旋[1] WANG Qian;ZHAO Shuyao;CAO Qi;SUN Xuan(Siemens Power Automation Ltd.,Nanjing 211100,China)

机构地区：[1]西门子电力自动化有限公司,江苏南京211100

出　　处：《电工技术》2025年第4期77-84,共8页Electric Engineering

摘　　要：以磁光玻璃电流互感器(MOCT)和全光纤电流互感器(FOCT)为主的光学电流互感器凭借其相较于传统电流互感器的体积小、重量轻、无饱和、抗电磁干扰等优点在高压电力系统、工业生产及科学研究中得到了广泛的应用。阐述了MOCT和FOCT两种主要类型的光学电流互感器的基本结构和测量原理,对比了两种类型电流互感器的优缺点。介绍了影响光学电流互感器长期稳定运行的温度和振动两个关键技术点的相关解决方案,并对国内外公司研制的相关光学电流互感器产品进行了比较。Optical current transformers based on magneto-optical glass current transformers(MOCT)and all-fiber current transformers(FOCT)have been widely used in high-voltage power systems,industry production and scientific research fields due to their advantages of small size,light weight,no saturation,and anti-electromagnetic interference compared with traditional current transformers.In this paper,the basic structure and measurement principle of MOCT and FOCT are expounded,and their advantages and disadvantages are compared.The solutions to the two key technical points of temperature and vibration that affect the long-term stable operation of optical current transformers are introduced,and the related optical current transformer products developed by domestic and foreign companies are also compared.

关 键 词：光学电流互感器 磁光玻璃电流互感器 全光纤电流互感器 温度 振动 

分 类 号：TM45[电气工程—电器]