Research on Constant Current Output of Inductive Power Transfer System With Double-D Quadrature Hybrid Topology

被引：0
|
作者：
Li Y. [1 ]
Du H. [1 ]
He Z. [1 ]
机构：
[1] School of Electrical Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan
来源：
| 1600年 / Chinese Society for Electrical Engineering卷 / 40期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
Constant current output; Double-D quadrature (DDQ) coils; Hybrid topology; Inductive power transfer (IPT);
D O I：
10.13334/j.0258-8013.pcsee.182321
中图分类号：
学科分类号：
摘要：
In order to enhance the misalignment tolerant of the wireless charging of electric vehicles under load changing conditions, a method of parameter configuration and optimization for inductive power transfer (IPT) system based on double-D quadrature (DDQ) hybrid topology was proposed in this paper. Combined with the self-decoupling characteristics of DDQ coils, the LCL and LC series resonant networks were symmetrically used on primary and secondary sides to form the dual energy transmission channels. Further, by configuring the corresponding inductance and capacitance values, the output currents of two channels were independent of the load, and were respectively directly proportional and inversely proportional to their mutual inductances, to achieve the purpose of the constant current output under the load changing condition based on the current superposition. On this basis, the variation law of mutual inductance of DDQ coils under constant current output was analyzed, and the allowable pickup offset of IPT system was maximized by optimizing parameters Lt1 and Lt2. The simulation and experimental results show that the output current on secondary side has a steady effect of no more than ±5% under load changing conditions within the allowable coil offset range of 0%~49.3%. © 2020 Chin. Soc. for Elec. Eng.
引用
收藏
页码：942 / 950
页数：8
相关论文
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