基于电磁感应方式的非接触充电系统效率研究  

Research on Efficiency of Non-contact Charging System Based on Electromagnetic Induction

作　　者：陈建树[1] 焦东升[1] 迟忠君[1] 李香龙[1] 曾爽[1] 刘秀兰[1] 

机构地区：[1]国网北京市电力公司电力科学研究院,北京市丰台区100075

出　　处：《智能电网》2015年第5期410-414,共5页Smart Grid

基　　金：北京市科委项目:基于电磁感应式的电动汽车用非接触式充电设备研制及示范应用(D121100004512002)

摘　　要：针对电磁感应式非接触充电模式的效率问题,建立电磁感应式非接触充电的数学模型并对其进行理论推导。通过Matbalb/Simulink建立非接触充电仿真实验模型,利用其中PWM发生器的频率、互感线圈的互感值、负载RL的阻值来模拟实际工作中的工作频率、线圈的远近、线圈是否对中、负载变化等条件,通过变化频率、负载和互感系数等对电磁感应式非接触充电的影响进行分析。通过非接触充电进行整体的仿真实验,验证数学模型中所推导出的理论,证明提高感应式非接触充电的工作效率方法。For the efficiency problem of contactless charging in type of electromagnetic induction, a mathematical model of contactless charging in type of electromagnetic induction is established and the theoretical derivation is given. This contactless charging simulation model is founded by Matlab/Simulink, which uses the frequency of PWM generator, the mutual inductance value of the coil and load resistance of RL to simulate some conditions, such as the working frequency in practical work, the distance of coil, whether the coils are directed at the center, and changing of loads. Then through the influence of the changing frequency, load and mutual inductance, contactless charging in type of electromagnetic induction is analyzed. By the whole simulation experiment on contactless charging, the theory deduced from the mathematical model is verified, and the method to improve inductive contactless charging is proved.

关 键 词：非接触充电 频率 负载 互感系数 充电效率 

分 类 号：TM910.6[电气工程—电力电子与电力传动] U469.72[机械工程—车辆工程]