电动汽车无线充电系统中弯道互感优化研究  

Research on the optimization of bend mutual inductance in electric vehicle wireless charging system

作　　者：骆强 胥飞[1] LUO Qiang;XU Fei(School of Electrical Engineering,Shanghai Dianji University,Shanghai 201306,China)

机构地区：[1]上海电机学院电气学院,上海201306

出　　处：《电测与仪表》2024年第1期91-98,共8页Electrical Measurement & Instrumentation

摘　　要：针对采用感应耦合电能传输技术的电动汽车无线充电过程中,汽车内部的能量拾取线圈在转弯过程中互感下降问题,提出使用内嵌入圆形线圈进行补偿,并通过遗传算法、理论推导和仿真验证,得到了补偿线圈最优化匝数和统一规格参数。通过搭建COMSOL Multiphysics平台、MATLAB/Simulink平台结合的仿真平台和实物实验平台,实验数据证实:在转弯时采用内嵌圆形线圈进行补偿,优化补偿后互感波动保持在±0.4%左右,由于互感波动的平稳,使得电动汽车能量拾取系统电压优化补偿后波动为3.6%。In the wireless charging process of electric vehicle using inductive coupling electric energy transmission technology,the mutual inductance of the energy pickup coil inside the vehicle decreases during the turning process.This paper proposes to use the embedded circular coil to compensate.The optimal turns and unified specification parameters of the compensation coil are obtained through genetic algorithm,theoretical derivation and simulation verification.By building the COMSOL Multiphysics platform,MATLAB/Simulink platform combined with the simulation platform and the physical experiment platform,the experimental data shows that,the embedded circular coil is used to compensate when turning,and the mutual inductance fluctuation remains about±0.4%.Due to the stability of mutual inductance fluctuation,the voltage fluctuation of energy pickup system of electric vehicle is 3.6%after optimization compensation.

关 键 词：动态无线充电 圆形补偿线圈 弯道互感 电动汽车 

分 类 号：TM46[电气工程—电器]