Dual-frequency three-dimensional wireless power transfer system to achieve two-channel independent maximum power transfer

被引:0
|
作者
Dan, Hanbing [1 ,2 ]
Chao, Yuqian [3 ]
Liu, Zixi [4 ]
Liu, Xueqing [3 ]
Zhu, Qi [4 ]
Su, Mei [1 ,2 ]
机构
[1] Cent South Univ, Changsha, Hunan, Peoples R China
[2] Natl Engn Res Ctr Adv Energy Storage Mat, Changsha, Peoples R China
[3] Hangzhou Hikvis Digital Technol Co Ltd, Hangzhou, Zhejiang, Peoples R China
[4] Xiaomi Commun Co Ltd, Beijing, Peoples R China
关键词
dual-frequency; maximum power transfer; three-dimensional; wireless power transfer; TRANSMITTING COIL;
D O I
10.1002/cta.4172
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
This paper proposes a dual-frequency three-dimensional wireless power transfer system, which can achieve dual channel independent maximum power transfer of two movable receivers. Based on the dual-frequency compensation network, a dual-frequency magnetic field orientation strategy and a current control strategy are developed. Accordingly, the mathematical model of the proposed system is established, providing the theoretical support for mutual non-interference of the power transfer between the two power transfer channels with different frequencies. On this basis, an iterative optimization control system is designed for independent maximum power transfer for two power transfer channels without any interference. A 200-W experimental prototype with an efficiency of around 80% is built to verify the correctness of the proposed system. In the case of load position change, the response time of the proposed system is around 200 ms. This paper proposes a dual-frequency three-dimensional wireless power transfer system, which can achieve dual channel independent maximum power transfer of two movable receivers. Based on the dual-frequency compensation network, a dual-frequency magnetic field orientation strategy and a current control strategy are developed. On this basis, an iterative optimization control system is designed for independent maximum power transfer for two power transfer channels without any interference. image
引用
收藏
页码:1302 / 1320
页数:19
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