Load Detection Method and Control of Class-E Inverter for Dynamic Wireless Power Transfer

被引：0

作者：

Shen, Ruigeng ^{[1
]}

Xiao, Wenxun ^{[1
]}

Zhang, Bo ^{[1
]}

Qiu, Dongyuan ^{[1
]}

Ho, Carl Ngai Man ^{[2
]}

机构：

[1] South China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R China

[2] Univ Manitoba, Elect & Comp Engn, Winnipeg, MB, Canada

来源：

2018 IEEE PELS WORKSHOP ON EMERGING TECHNOLOGIES: WIRELESS POWER TRANSFER (WOW) | 2018年

基金：

中国国家自然科学基金;

关键词：

Dynamic Wireless Power Transfer; Class-E inverter; load detection; TRANSFER SYSTEMS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Due to the electrical isolation between the transmitter side and the receiver side in dynamic wireless power transfer (WPT), load detection becomes an essential function for saving energy and safety issues. This paper proposes a reliable load detection method without any auxiliary switch and communication device. The proposed method, which is based on the energy equilibrium equations, only needs to sample the input DC current, avoiding sampling the high frequency signals in the resonant tank. This paper firstly determines the threshold current for detecting load by analyzing the power dissipation in the Class-E inverter. Then the details of the control procedure and the design of parameters are also discussed. Finally, experiments of the dynamic WPT system with Class-E inverter are implemented to verify the availability of the load detection method and the control method.

引用

页数：5

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