多负载无线电能传输系统耦合机理特性分析

LIU Suqi

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多负载无线电能传输系统耦合机理特性分析

更新时间：2025-08-13

- 多负载无线电能传输系统耦合机理特性分析
- Automation of Electric Power Systems Vol. 40, Issue 18, Pages: 84-90(2016)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2016
- 稿件说明：
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LIU Suqi. [J]. Automation of electric power systems, 2016, 40(18): 84-90.
DOI：

LIU Suqi. [J]. Automation of electric power systems, 2016, 40(18): 84-90. DOI：

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。

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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