智能电器用供能电流互感器的研究  

Research on Energy Supply Current Transformer for Intelligent Electric Apparatus

作　　者：徐孟元[1] 马玲 耿英三[1] 闫静[1] 张坤[1] 

机构地区：[1]西安交通大学电力设备电气绝缘国家重点实验室,陕西西安710049 [2]陕西省地方电力物资有限公司,陕西西安710054

出　　处：《电器与能效管理技术》2017年第4期18-22,共5页Electrical & Energy Management Technology

基　　金：国家自然科学基金资助项目(51377127)

摘　　要：利用Ansoft Maxwell软件建立铁心电流互感器的仿真模型,对带负载的供能电流互感器的电磁特性进行计算分析,深入研究铁心是否开槽以及不同开槽结构对电流互感器输出特性的影响。对比不同一次侧电流下不同铁心结构电流互感器的输出特性,表明铁心开槽可增加取能时间。对负载为100Ω的供能铁心电流互感器进行试验,铁心是否开槽及开槽结构对电流互感器输出特性的影响情况与仿真结果吻合。Ansoft Maxwell software was used to compute the electromagnetic properties of power supply current transformer with different iron-core structure. According to the simulation results,it can be found that slotted ironcore saturation began in the smaller primary current. As the current increases,when the iron core fully saturated,output voltage wave of current transformer with slotted core was distored more lightly,which means the acquiringenergy time was increased. Experiments have been carried out to analyze the output characteristics of power supply current transformer with 100 Ω resistor load,whose results are consistent with the simulation results.

关 键 词：电流互感器 铁心 磁感应强度 开槽 

分 类 号：TM452[电气工程—电器]