基于CPT的电动汽车无线充电技术研究Research on Wireless Charging Technology of Electric Vehicles Based on CPT
谢宝江,陈桑红,陈轶玮,许丛,张军达
XIE Baojiang,CHEN Sanghong,CHEN Yiwei,XU Cong,ZHANG Junda
摘要(Abstract)：
随着电动汽车的大量普及,电动汽车无线充电技术也越来越受关注。分别介绍了IPT和CPT无线电能传输技术的工作原理和数学模型,并在比较IPT和CPT技术性能的基础上,采用双边LC补偿电路,实验得出基于CPT的电能传输功率为48 W,传输功率达86%,进而说明CPT在电动汽车无线充电系统中具有很好的应用前景。
With the widespread use of electric vehicles, wireless charging technology for electric vehicles has been increasingly focused on. This paper respectively analyzes the working principles and mathematical models of inductive power transfer(IPT) and capacitive power transfer(CPT) wireless electric energy transmission technologies. Based on the comparison of IPT and CPT technologies, it is suggested adopting bilateral LC compensation circuit. It is experimentally concluded that the transmission power of CPT is 48 W and the efficiency is up to 86%, which means that CPT has better application prospect in wireless charging system of electric vehicles.
关键词(KeyWords)：
电动汽车;无线充电;磁耦合谐振;电场耦合
electric vehicles;wireless charging;magnetic coupling resonance;electric field coupling
基金项目(Foundation):
作者(Author):
谢宝江,陈桑红,陈轶玮,许丛,张军达
XIE Baojiang,CHEN Sanghong,CHEN Yiwei,XU Cong,ZHANG Junda
DOI: 10.19585/j.zjdl.201807005
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