高精度测量用铁心电流互感器的设计与仿真  

Design and Simulation of Iron Core Current Transformer for High Precision Measurement

作　　者：周英姿 贾峰 季慧玉 ZHOU Yingzi;JIA Feng;JI Huiyu(Shanghai Electric Appliance Science Research Institute(Group)Co.,Ltd.,Shanghai 200063,China)

机构地区：[1]上海电器科学研究所(集团)有限公司,上海200063

出　　处：《电器与能效管理技术》2022年第1期47-50,共4页Electrical & Energy Management Technology

基　　金：上海市科学技术委员会资助项目(19DZ2290100)。

摘　　要：基于电流互感器工作原理的分析,提出提高互感器测量精度的关键因素是降低互感器铁心的激磁电流。通过对互感器铁心结构形式、二次侧线圈匝数的理论分析、仿真计算和试验测试,验证了理论分析与仿真设计方法的有效性。Based on the analysis of the working principle of current transformer,it is proposed that reducing the excitation current of transformer core is the key to improve the measurement accuracy of transformer.Through the theoretical analysis,simulation calculation and experimental test of transformer core structure and secondary coil turns,the effectiveness of the theoretical analysis and simulation design method is verified.

关 键 词：电流互感器 高精度测量 仿真 激磁电流 

分 类 号：TM452[电气工程—电器]