| 电动汽车动态无线充电紧—强耦合模式分析 |
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| 引用本文： | 张献,金耀,苑朝阳,魏斌,王松岑,赵牧天.电动汽车动态无线充电紧—强耦合模式分析[J].电力系统自动化,2017,41(2):79-83. |
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| 作者姓名： | 张献 金耀 苑朝阳 魏斌 王松岑 赵牧天 |
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| 作者单位： | 天津市电工电能新技术重点实验室(天津工业大学), 天津市 300387,天津市电工电能新技术重点实验室(天津工业大学), 天津市 300387,天津市电工电能新技术重点实验室(天津工业大学), 天津市 300387,中国电力科学研究院, 北京市 100085,中国电力科学研究院, 北京市 100085,天津市电工电能新技术重点实验室(天津工业大学), 天津市 300387 |
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| 基金项目： | 国家自然科学基金资助项目(51677132);天津市自然科学基金青年项目(15JCQNJC01900);国家电网公司科技项目(DG71-16-005) |
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| 摘 要： | 针对感应耦合结构近距离、弱偏移,以及谐振耦合式结构易受干扰的问题,提出紧—强耦合协同工作机构。通过建立动态无线充电系统的数学模型,研究其传输特性随品质因数和耦合系数的变化规律。基于有限元仿真,分析了系统的动态传输特性。为提高系统的抗偏移性、降低电磁辐射,在接收线圈装设铁氧体屏蔽结构。通过搭建实验平台对仿真过程进行实验验证,证明了所设计耦合机构的可行性。结果表明所设计的耦合机构具有较高的动态传输性能,并且在85kHz下获得了93.9%的传输效率。
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| 关 键 词： | 动态无线充电 紧—强耦合 协同工作 磁屏蔽 |
| 收稿时间： | 2016/9/13 0:00:00 |
| 修稿时间： | 2016/12/16 0:00:00 |
Analysis of Tight-Strong Coupling Mode for Dynamic Wireless Charging of Electric Vehicle |
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| ZHANG Xian,JIN Yao,YUAN Zhaoyang,WEI Bin,WANG Songcen and ZHAO Mutian.Analysis of Tight-Strong Coupling Mode for Dynamic Wireless Charging of Electric Vehicle[J].Automation of Electric Power Systems,2017,41(2):79-83. |
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| Authors: | ZHANG Xian JIN Yao YUAN Zhaoyang WEI Bin WANG Songcen and ZHAO Mutian |
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| Affiliation: | Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology (Tianjin Polytechnic University), Tianjin 300387, China,Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology (Tianjin Polytechnic University), Tianjin 300387, China,Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology (Tianjin Polytechnic University), Tianjin 300387, China,China Electric Power Research Institute, Beijing 100085, China,China Electric Power Research Institute, Beijing 100085, China and Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology (Tianjin Polytechnic University), Tianjin 300387, China |
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| Abstract: | Aiming at short distance and weak misalignment of inductively coupled power transmission system and the problem of resonant coupled structure susceptible to interference, a cooperative operating coupler featuring tight-strong coupling is proposed innovatively. The transmission performance varying with coupling coefficient and quality factor is studied by developing a mathematical model of dynamic wireless charging system. Based on finite element simulation, the transmission efficiency and power are analyzed. In order to improve the anti-misalignment capability and reduce the electromagnetic radiation, magnetic shielding component is added to the receiving coil. A prototype is built to verify the feasibility of the proposed structure. The results indicate that the proposed coupler has high dynamic transmission performance, the transmission efficiency reaching 93. 9% at 85 kHz. This work is supported by National Natural Science Foundation of China(No. 51677132), Tianjin Natural Science Foundation for Young Scholars(No. 15JCQNJC01900)and State Grid Corporation of China(No. DG71-16-005). |
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| Keywords: | dynamic wireless charging tight-strong coupling cooperative operating magnetic shielding |
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