电动汽车磁耦合谐振式无线充电系统研究

摘要

电动汽车无线充电是一个热门研究方向。依据磁耦合谐振式无线电能传输原理,设计了一种磁耦合谐振式无线充电装置,对传输功率以及传输效率影响因素进行了分析,并给出了系统设计。最后制作了一台功率为1 kW,磁耦合谐振频率70 kHz 的电动汽车无线充电实验装置。样机实验结果表明系统稳定,运行效果理想。%Wireless charging for electric vehicle is a hot research topic.A wireless charging system is designed based on the principle of magnetic coupling resonant wireless power transmission.Elements influencing power and efficiency of transmission are analyzed,and system design considerations are presented.A 1 kW 70 kHz charging device is designed. Experimental results show that the system works stably and has a good effect.