基于动态无功补偿技术的磁平衡式电流互感器设计  

Design of Flux Balanced Current Transformer Based on Dynamic Reactive Power Compensation Technology

作　　者：国智博 陈锋[1] 王彦昊 刘杰 马西奎[1] Guo Zhibo;Chen Feng;Wang Yanhao;Liu Jie;Ma Xikui(State Key Laboratory of Electrical Insulation and Power Equipment Xi’an Jiaotong University,Xi’an 710049 China;Xi’an Thermal Power Research Institute Co.Ltd,Xi’an 710054 China)

机构地区：[1]电力设备电气绝缘国家重点实验室(西安交通大学),西安710049 [2]西安热工研究院有限公司,西安710054

出　　处：《电工技术学报》2022年第S01期217-224,共8页Transactions of China Electrotechnical Society

基　　金：中央高校基本科研业务费专项资金资助项目(xzy012019025)。

摘　　要：该文提出一种基于动态无功补偿技术的磁平衡式电流互感器设计方法,其应用能够实现对大范围波动电流的精确测量。通过对电流互感器工作原理及其测量误差的分析,提出基于动态无功补偿的磁平衡式电流互感器控制算法,即采用自适应扰动法实现对电流互感器二次侧测量电流的最大电流跟踪。建立了基于Comsol和Simulink联合仿真的磁平衡式电流互感器场-路耦合模型,仿真和实验验证了所提出磁平衡式电流互感器模型的有效性以及控制算法的可行性。A design method of flux balanced current transformer based on dynamic reactive power compensation technology is designed in the paper,and its application can achieve accurate measurement of a wide range of fluctuating current.Through the analysis of the working principle and measurement error of the current transformer,the control algorithm of the flux balance current transformer based on dynamic reactive power is proposed,that is,the maximum current tracking on the secondary side of the current transformer is realized by the adaptive disturbance method.Field-circuit coupling model of flux balance current transformer based on Comsol and Simulink co-simulation is established.The effectiveness of the proposed flux balance current transformer model and the feasibility of the control algorithm are verified by simulation and experiment.

关 键 词：无功补偿 磁平衡式电流互感器 场-路耦合模型 自适应扰动法 

分 类 号：TM452[电气工程—电器]