基于双侧LCC的全双工无线电能传输能量信号并行传输系统

doi:10.19595/j.cnki.1000-6753.tces.200634

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摘要无线电能传输系统的监测、控制等操作需要基于信号传输技术实现,能量信号并行传输技术是一种基于无线传能通道实现的信号传输技术。该文提出一种基于双侧LCC补偿结构的WPT能量信号并行传输系统,该系统在实现无线电能传输（WPT）系统原边和负载恒流的同时,实现信号双向传输且不影响能量通道的谐振状态。通过对信号通道的阻抗和电压增益的分析,基于香农第二定理提出一种稳定的双频全双工信号通信信道参数设计方法,通过调节信道电阻提升信号传输速率并保证信号传输的增益,同时抑制能量通道对信号的干扰。最后,通过仿真和实验平台对所提结构进行验证,证实了能量传输未受到信号通道的影响,同时实现了可靠稳定的全双工信号传输。

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	王佩月
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	范元双

关键词 ：无线电能传输, 信号传输, 共享传输通道, 载波调制

Abstract：The monitoring and control of wireless power transfer system are based on signal transmission technology, and the parallel transmission of power and signal technology is based on wireless power transmission channel. A simultaneous wireless power and data transfer system based on double-sided LCC compensation structure was presented in this paper. The system achieved full-duplex signal transmission without affecting the resonance state of the power channel while achieving constant current of the transmitter coil and load of the WPT system. According to the analysis of the impedance and voltage gain of the signal channel, a stable design method of dual-frequency-full-duplex signal communication channel parameters was proposed based on Shannon's second theorem. By adjusting the channel shifting resistance, the signal transmission rate was increased and the signal transmission gain was guaranteed, while the interference of the energy channel to the signal was suppressed. Finally, the proposed structure was verified by simulation and experimental platform, which confirmed that the energy transmission is not affected by the signal channel and reliable and stable full-duplex signal transmission is realized.

Key words： Wireless power transfer data transmission shared channel mode carrier modulation

收稿日期: 2020-06-11

PACS:

TM732

基金资助:国家电网公司总部科技资助项目（5418-202040214A-0-0-00）

通讯作者: 左志平男,1989年生,副教授,硕士生导师,研究方向为无线电能传输技术及智能电网装备安全运行技术。E-mail: zpzuo@sina.com

作者简介: 王佩月男,1992年生,博士研究生,研究方向为电力电子与无线电能传输技术。E-mail: wangpy@cqu.edu.cn

引用本文:

王佩月, 左志平, 孙跃, 李小飞, 范元双. 基于双侧LCC的全双工无线电能传输能量信号并行传输系统[J]. 电工技术学报, 2021, 36(23): 4981-4991. Wang Peiyue, Zuo Zhiping, Sun Yue, Li Xiaofei, Fan Yuanshuang. Full-Duplex Simultaneous Wireless Power and Data Transfer System Based on Double-Sided LCC Topology. Transactions of China Electrotechnical Society, 2021, 36(23): 4981-4991.

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