| 引用本文: | 杨金明,邓梓颖,孙杰杉.一种动态无线电能传输系统的线圈切换方法[J].电力自动化设备,2022,42(11): |
| YANG Jinming,DENG Ziying,SUN Jieshan.Coil switching method for dynamic wireless power transfer system[J].Electric Power Automation Equipment,2022,42(11): |
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| 摘要: |
| 阵列式动态无线电能传输系统因其运行损耗和漏磁更小、灵活性更好而被提出，其工作性能通常取决于发射阵列和接收线圈的结构。提出了一种基于LCC-S补偿拓扑的线圈切换方法，使切换时刻的互感下降和互感突变最小化以提高系统的偏移容忍度；同时，比较了应用该切换方法后，单层和双层发射阵列系统的工作性能。仿真结果显示，虽然双层发射阵列系统的切换控制更复杂，但在接收线圈与发射线圈间发生偏移时其输出功率下降更小，偏移容忍度更高。实验结果证明，该线圈切换方法在实际中有效可行。 |
| 关键词: 动态无线电能传输 发射阵列 接收线圈 切换方法 偏移容忍度 |
| DOI：10.16081/j.epae.202205018 |
| 分类号:TM724 |
| 基金项目:国家自然科学基金面上项目(61573155) |
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| Coil switching method for dynamic wireless power transfer system |
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YANG Jinming, DENG Ziying, SUN Jieshan
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College of Electric Power, South China University of Technology, Guangzhou 510640, China
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| Abstract: |
| Array dynamic wireless power transfer system is proposed because of its advantages of lower operating loss and magnetic flux leakage and better flexibility, and its operation characteristics depend on the structures of transmitting array and receiving coil. A coil switching method based on LCC-S compensation topology is proposed to reduce the mutual inductance drop and minimize its mutation at switching moments so that the misalignment tolerance of the system can be improved. Meanwhile, the performances of single-layered and double-layered transmitting array systems after applying the proposed switching method are compared. Simulative results show that although the switching control of double-layered transmitting array system is more complex, its output power drop is smaller and the misalignment tolerance is higher when there is misalignment between transmitting and receiving coils. Experimental results verify that the proposed coil switching method is effective and feasible in practice. |
| Key words: dynamic wireless power transfer transmitting array receiving coil switching method misalignment tolerance |
