Research on Hybrid Dual-frequency IPT System Against Misalignment With Constant Output Voltage

被引：0
|
作者：
Li Y. [1 ]
Yang B. [1 ]
He S. [1 ]
Lyu T. [1 ]
Chen Y. [1 ]
Mai R. [1 ]
机构：
[1] School of the Electrical Engineering, Southwest Jiaotong University, Sichuan Province, Chengdu
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2023年 / 43卷 / 18期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
constant voltage output; dual-frequency; harmonic wave; inductive power transfer (IPT); parallel transmission;
D O I：
10.13334/j.0258-8013.pcsee.221035
中图分类号：
学科分类号：
摘要：
The misalignment of the coils is inevitable in inductive power transfer (IPT) system, leading to a decrease in the stability of the system output voltage. Due to the square-wave voltages generated by the full-bridge inverters, the harmonic wave is hard to eliminate. In order to utilize the harmonic wave to enhance the anti-misalignment capacity of the system, this paper proposes a hybrid dual-frequency IPT system based on fundamental and harmonic parallel transmission. The bipolar structure coil is selected to eliminate the cross-coupling between the secondary coils. Combined with the proposed parameter design method, the IPT system can adaptively obtain the constant output voltage with the misalignment. Compared to the traditional fundamentharmonic parallel IPT systems with the dual-transmitter dual-receiver structure, a single-transmitter dual-receiver structure is used to decrease the wire and costs, and complex feedback control is not required. Finally, a 200W prototype is built to verify the validity of the proposed approach. With the 33% x-misalignment and the 24~40Ʊ load variation, the output voltage fluctuation of the IPT system is lower than 5%. ©2023 Chin.Soc.for Elec.Eng.
引用
收藏
页码：7232 / 7239
页数：7
相关论文
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