强抗偏移性WPT系统双端补偿网络参数设计  

Design of two-terminal compensation network parameters forWPT system with strong anti-offset performance

作　　者：唐坪 陈海川 林海燕 邱泓瑞 胥莹虹 李聪 TANG Ping;CHEN Haichuan;LIN Haiyan;QIU Hongrui;XU Yinghong;LI Cong(School of Electrical and Electronic Information,Xihua University,Chengdu 610039,China)

机构地区：[1]西华大学电气与电子信息学院,四川成都610039

出　　处：《电机与控制学报》2025年第1期185-192,共8页Electric Machines and Control

基　　金：国家自然科学基金(51977178);四川省科技厅重点研发计划(2023ZHCG0033)。

摘　　要：针对传统谐振SS、LCC-S补偿拓扑对耦合系数较敏感,输出功率波动程度较大的问题,考虑到无线电能传输系统追求宽耦合系数范围内的平稳功率传输,依据电路理论,在发射端失谐状态下引入“反Γ型补偿网络”并基于失谐系统对补偿网络参数进行设计,实现了接收端输出功率波动程度可任意配置且提升了系统输出功率等级;依据阻抗变换理论,通过在接收端引入“阻抗逆变网络”并对补偿网络参数进行设计,实现了宽耦合系数范围内的输出功率稳定,扩展了受电设备的空间自由度。搭建WPT系统抗偏移特性实验平台并开展实验验证,实验结果表明:在(0.055,0.097)、(0.114,0.189)、(0.206,0.362)耦合系数区间范围内,输出功率波动程度低于10%,系统能量传输效率高于72%,验证了所提参数设计方法的有效性和正确性。In response to the issues of traditional resonant SS and LCC-S compensation topology are sensitive to the variation of coupling coefficient,which causes deep impact on the the transferred power level.Considering that wireless power transfer system needs to transfer power over wide coupling coefficient range.According to circuit theory,the inverseΓcompensation network was introduced in the detuning state of the transmitting terminal and the compensation network parameters was designed based on the detuning system,achieving arbitrary configuration of output power fluctuations at the receiving end and improving the system’s output power level.According to the impedance transformation theory,the impedance inverter network was introduced at the receiving terminal and the compensation network parameters were designed,the output power stability in the wide coupling coefficient range was realized,and the spatial freedom of the receiving equipment was extended.The experimental platform for anti-offset performance of WPT system was built and experimental validation was carried out.The experimental results show that:within the range of coupling coefficients(0.055,0.097),(0.114,0.189),and(0.206,0.362),the fluctuation degree of output power is less than 10%,and the energy transmission efficiency of the system is higher than 72%,which verifies effectiveness and correctness of the proposed parameter design method.

关 键 词：无线电能传输 抗偏移特性 失谐 反Γ型补偿网络 阻抗逆变网络 

分 类 号：TM724[电气工程—电力系统及自动化]