±500 kV超高压云贵互联工程直流测量系统全光纤电流互感器分析  

Analysis of All-optical Current Transformer in DC Measurement System of±500 kV UHV Yungui Interconnection Project

作　　者：梁钰华 孙豪 朱盛强 黄剑湘 LIANG Yuhua;SUN Hao;ZHU Shengqiang;HUANG Jianxiang(Kunming Bureau,CSG EHV Transmission Company,Kunming 650217,China)

机构地区：[1]超高压输电公司昆明局,云南昆明650217

出　　处：《电工技术》2021年第20期38-40,共3页Electric Engineering

摘　　要：随着电力工业的发展,电力系统容量的不断升高,传统的电流互感器已经不能满足高电压等级的要求,因此电子式电流互感器得到较快的发展。云贵互联工程禄劝换流站使用许继POCT系列全光纤电流互感器,其具有抗电磁干扰能力强、动态范围大、频带宽、响应度高、安装方便、安全性高及数字信号输出等优点,可满足直流输电系统中保护装置、阀控装置及故障录波装置等对直流一次电流的数据需求。就禄劝换流站直流测量系统全光纤电流互感器进行介绍,对其原理和连接方式进行说明。With the development of electrical power industry and the increasing capacity of electrical power system,the traditional current transformer cannot meet the requirements of high voltage level,so the electronic current transformer has developed rapidly.Xuji POCT series all fiber current transformer is used in Luquan converter station of Yunnan Guizhou interconnection project,which has the advantages of strong anti-electromagnetic interference ability,large dynamic range,wide frequency band,high response,convenient installation,high safety and digital signal output,and can meet the data requirements of DC primary current for protection devices,valve control devices and fault recording devices in DC transmission system.The all fiber current transformer of DC measurement system in Luquan converter station is introduced,and its principle and connection mode are explained.

关 键 词：云贵互联 测量系统 起偏器 保偏光纤 安培环路原理 

分 类 号：TM452[电气工程—电器]