Tri-Coupled Dual-LCC Compensation Network for Wireless Charging of AUVs With High Misalignment Tolerance

IF 6.5 1区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Power Electronics Pub Date : 2025-03-09 DOI:10.1109/TPEL.2025.3568836

Jiale Wang;Zhaoyong Mao;Yayu Ma;Bo Liang;Zhengchao Yan;Baowei Song;Aiguo Patrick Hu

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引用次数: 0

Abstract

Inductive power transfer (IPT) technology has gained significant attention due to its broad range of applications, including wireless charging of autonomous underwater vehicles (AUVs). During the charging process, an IPT system needs to provide stable output power, even when the AUV experiences coupling misalignments. This article proposes a dual-LCC compensation network based on a tri-coupled coil structure for achieving a constant voltage (CV) output under misalignments and load variations. The primary side consists of three power transmission coils coupled with the secondary coil, and the mutual inductance between the coils can significantly affect the output power. By optimizing the coil parameters, the system can achieve a wide misalignment tolerance and stable CV output. A mathematical model is established, and zero voltage switching (ZVS) characteristic obtained. A 160-W prototype is built to verify the effectiveness of proposed system. The experimental results show that the system output voltage achieves both load independence and high misalignment tolerance. Under normalized axial displacement of 0.7 and radial displacement of 0.8, the output fluctuation remains below 5% at 91.14% of power efficiency.

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高容差水下机器人无线充电的三耦合双lcc补偿网络

感应功率传输（IPT）技术因其广泛的应用而受到广泛关注，其中包括自主水下航行器（auv）的无线充电。在充电过程中，IPT系统需要提供稳定的输出功率，即使AUV遇到耦合失调。本文提出了一种基于三耦合线圈结构的双lcc补偿网络，用于在失调和负载变化下实现恒压输出。初级侧由三个功率传输线圈与次级线圈耦合组成，线圈之间的互感对输出功率有显著影响。通过优化线圈参数，系统可以实现较大的误差容限和稳定的CV输出。建立了数学模型，得到了零电压开关特性。为验证系统的有效性，建立了一个160-W的样机。实验结果表明，该系统的输出电压既具有负载独立性，又具有较高的误差容忍度。归一化轴向位移为0.7，径向位移为0.8时，输出波动保持在5%以下，功率效率为91.14%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Power Electronics 工程技术-工程：电子与电气

CiteScore

15.20

自引率

20.90%

发文量

1099

审稿时长

3 months

期刊介绍： The IEEE Transactions on Power Electronics journal covers all issues of widespread or generic interest to engineers who work in the field of power electronics. The Journal editors will enforce standards and a review policy equivalent to the IEEE Transactions, and only papers of high technical quality will be accepted. Papers which treat new and novel device, circuit or system issues which are of generic interest to power electronics engineers are published. Papers which are not within the scope of this Journal will be forwarded to the appropriate IEEE Journal or Transactions editors. Examples of papers which would be more appropriately published in other Journals or Transactions include: 1) Papers describing semiconductor or electron device physics. These papers would be more appropriate for the IEEE Transactions on Electron Devices. 2) Papers describing applications in specific areas: e.g., industry, instrumentation, utility power systems, aerospace, industrial electronics, etc. These papers would be more appropriate for the Transactions of the Society which is concerned with these applications. 3) Papers describing magnetic materials and magnetic device physics. These papers would be more appropriate for the IEEE Transactions on Magnetics. 4) Papers on machine theory. These papers would be more appropriate for the IEEE Transactions on Power Systems. While original papers of significant technical content will comprise the major portion of the Journal, tutorial papers and papers of historical value are also reviewed for publication.