| 多负载无线电能传输系统耦合机理特性分析 |
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| 引用本文： | 刘溯奇,谭建平,薛少华,文学. 多负载无线电能传输系统耦合机理特性分析[J]. 电力系统自动化, 2016, 40(18): 84-90 |
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| 作者姓名： | 刘溯奇 谭建平 薛少华 文学 |
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| 作者单位： | 高性能复杂制造国家重点实验室, 中南大学, 湖南省长沙市 410083; 中南大学机电工程学院, 湖南省长沙市 410083,高性能复杂制造国家重点实验室, 中南大学, 湖南省长沙市 410083; 中南大学机电工程学院, 湖南省长沙市 410083,高性能复杂制造国家重点实验室, 中南大学, 湖南省长沙市 410083; 中南大学机电工程学院, 湖南省长沙市 410083,高性能复杂制造国家重点实验室, 中南大学, 湖南省长沙市 410083; 中南大学机电工程学院, 湖南省长沙市 410083 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)资助项目(2014CB049405) |
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| 摘 要： | 针对无线电能传输系统中存在一个电能发送端同时为多个负载端提供电能的实际需求问题,对多负载系统的功率、效率之间的互相转化机理及定量关系进行了研究。首先,定义广义失谐因子、广义耦合因子、初次级电阻比例因子和负载阻抗比例因子,据此建立多负载系统的理论模型,推导出电压增益、输出功率增益和传输效率的基本特性公式。其次,研究了广义失谐因子、广义耦合因数、初次级阻抗比例因子及负载阻抗比例因子对多负载系统电压增益、输出功率增益和传输效率影响的一般化规律。最后,设计开发了无线电能传输实验系统,验证了理论分析的正确性。研究结论为分析与设计多负载无线电能传输系统提供了一定的理论依据。
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| 关 键 词： | 无线电能传输 耦合机理 多负载 频率分裂 |
| 收稿时间： | 2016-01-04 |
| 修稿时间： | 2016-05-18 |
Analysis on Coupling Mechanism Characteristics of Multi-load Wireless Power Transmission System |
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| LIU Suqi,TAN Jianping,XUE Shaohua and WEN Xue. Analysis on Coupling Mechanism Characteristics of Multi-load Wireless Power Transmission System[J]. Automation of Electric Power Systems, 2016, 40(18): 84-90 |
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| Authors: | LIU Suqi TAN Jianping XUE Shaohua WEN Xue |
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| Affiliation: | State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China; School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China,State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China; School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China,State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China; School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China and State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China; School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China |
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| Abstract: | In order to remedy the situation of one sending end in the wireless power transmission system having to supply power to systems with multiple loads at the same time, research is made on the mechanism of mutual transformation between such systems'' power and efficiency. First thing is to define the key parameters about generalized mismatch factor, the generalized coupling factor, load factor and impedance ratio of the initial and secondary system. Utilizing these parameters, the circuit model of wireless power transmission system is developed, and the basic characteristic formula of the voltage gain, output power gain and transmit efficiency are deduced. Secondly, a novel method is presented to show how these parameters influence voltage gain, output power gain and transmission efficiency of multi-load wireless power transfer systems. In the end, an experimental circuit is designed which shows the correctness of the proposed method and its results as well as suggestions for design of multi-load wireless power transmission systems via magnetic coupling resonance. This work is supported by National Basic Research Program of China(973 Program)(No. 2014CB049405). |
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| Keywords: | wireless power transmission characteristic of coupling multi-load frequency splitting |
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