Design of a Self-compensating Multi-relay Wireless Power Transmission System Based on PCB Planar Spiral Coil

被引：0
|
作者：
Guan Y. [1 ]
Xiao Y. [1 ]
Wang Y. [1 ]
Yao T. [1 ]
Xu D. [1 ]
机构：
[1] School of Electrical Engineering & Automation, Harbin Institute of Technology, Heilongjiang Province, Harbin
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2022年 / 42卷 / 24期
关键词：
high frequency; multi-relay wireless power transfer (WPT); PCB plane spiral coil; self-compensating coil;
D O I：
10.13334/j.0258-8013.pcsee.212026
中图分类号：
学科分类号：
摘要：
In view of the unclear transmission characteristics of the multi-relay wireless power transfer (WPT) system and the difficulty of constructing integrated relay coils, this paper studied a self-compensating multi-relay WPT system based on planar coils. It could be applied to the fields of data acquisition module power supply of high-voltage power transmission system, and could effectively improve transmission efficiency. First, the constant voltage or constant current output characteristics of the multi-relay system in series and other compensation conditions under the condition of different relay coil numbers were analyzed. Secondly, the design method of inductance and capacitance parameters in printed circuit board (PCB) self-compensating coil was explained in detail. Aiming at optimizing the coil resistance, a method of designing PCB self-compensating coil was proposed. Finally, a set of multi-relay wireless power transfer system experimental platform based on PCB self-compensating coils, with the operating frequency of 1.67MHz and the total transmission distance of 1.1m was built. Experimental results show that the proposed method can effectively improve the performance of the multi-relay wireless power transfer system. ©2022 Chin.Soc.for Elec.Eng.
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页码：8984 / 8994
页数：10
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