基于双边动态电容补偿的ICPT拓扑及控制研究*

doi:10.16628/j.cnki.2095-8188.2020.04.013

电器与能效管理技术 ›› 2020, Vol. 589 ›› Issue (4): 71-76.doi: 10.16628/j.cnki.2095-8188.2020.04.013

基于双边动态电容补偿的ICPT拓扑及控制研究^*

王琦婷

三峡大学电气与新能源学院,湖北宜昌 443002

收稿日期:2019-12-17 出版日期:2020-04-30 发布日期:2020-04-30
作者简介:王琦婷(1994—),女,硕士研究生,研究方向为无线电能传输
基金资助:
* 国家级大学生创新创业训练计划项目(201711075009)

Research on Topology and Control of ICPT Based on Bilateral Dynamic Capacitance Compensation

WANG Qiting

College of Electrical Engineering & New Energy,China Three Gorges University,Yichang 443002,China

Received:2019-12-17 Online:2020-04-30 Published:2020-04-30

摘要/Abstract

摘要： 针对传统固定补偿容量的感应耦合电能传输(ICPT)系统中,输出电压会随负载变化而波动,提出了一种基于磁能再生开关(MERS)双边动态电容补偿的ICPT拓扑,使系统的补偿环节具有可控性。采用电路互感理论和松耦合变压器漏感模型对拓扑建模分析,建立了磁能再生开关与输出电压、逆变器功率因数间的数学关系;通过发射端动态补偿抵消系统输入阻抗的电抗分量,提高功率因数;接收端动态补偿削弱负载变化的影响,稳定输出电压。最后搭建了一台5 V电压输出的试验样机,在负载变化范围内,逆变器功率因数稳定在约0.9,验明了所提拓扑在负载变化时的稳压和功率因数调节作用。

关键词: 感应耦合电能传输, 磁能再生开关, 动态电容补偿, 功率因数

Abstract: In the traditional inductive coupled power transfer(ICPT) system which is compensated with fixed compensation capacity,its output voltage fluctuates with the change of load.Aiming at this shortcoming,a new ICPT topology based on bilateral dynamic capacitance compensation with magnetic energy recovery switch(MERS) was proposed,which makes the compensation link of the ICPT system controllable.The topological analysis and modeling were conducted by mutual inductance theory and loosely coupled transformer leakage inductance model,and the mathematical relationship between MERS,output voltage and power factor of inverter was established.By using the dynamic compensation of transmitter,the reactance component of the system input impedance can be offset,and the power factor was increased.Through the dynamic compensation of receiving terminal,the influence of load variation on output voltage can be weakened,so that the output voltage remained stable.At last,an experimental device for 5 V voltage output was set up,the power factor of the inverter was stable around 0.9 in the range of load change,which proves the voltage regulation and power factor adjustment function of this topology when the load was changeable.

Key words: inductive coupled power transfer(ICPT), magnetic energy recovery switch(MERS), compensation with dynamic capacitance, power factor

中图分类号:

TM724

王琦婷. 基于双边动态电容补偿的ICPT拓扑及控制研究^*[J]. 电器与能效管理技术, 2020, 589(4): 71-76.

WANG Qiting. Research on Topology and Control of ICPT Based on Bilateral Dynamic Capacitance Compensation[J]. DIANQI YU NENGXIAO GUANLI JISHU, 2020, 589(4): 71-76.

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基于双边动态电容补偿的ICPT拓扑及控制研究^*

Research on Topology and Control of ICPT Based on Bilateral Dynamic Capacitance Compensation

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