Study on Load Impedance Matching Characteristics of Magnetic Coupled Resonant Wireless Power Transfer System

被引：0
|
作者：
Gong, Lijiao [1 ,2 ]
Li, Xinheng [1 ]
Chao, Xuewei [1 ]
Li, Yang [1 ]
Li, Hui [1 ,2 ]
Li, Hongwei [1 ]
机构：
[1] Shihezi Univ, Coll Mech & Elect Engn, Shihezi 832003, Xinjiang, Peoples R China
[2] State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400044, Peoples R China
来源：
JOURNAL OF MAGNETICS | 2017年 / 22卷 / 03期
关键词：
wireless power transfer; planar spiral coil; impedance matching;
D O I：
10.4283/JMAG.2017.22.3.497
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The impedance matching problem of magnetic coupled resonant wireless power transfer system based on planar spiral coils is studied in this paper. Taken the coupling factors into account, the relationships between impedance matching, resonant frequency and transfer distance are analyzed. Supported by the simulation analyses and experimental evidences, it is indicated that the optimum matching resistances for transfer power and transfer efficiency are different. In details, the optimal matching resistance for output power decreases with the transfer distance, while that for the transfer efficiency does not vary with transfer distance. Thus, this research provides a valuable reference for the further research on adaptive impedance matching of magnetic coupled resonant wireless power transfer system.
引用
收藏
页码：497 / 502
页数：6
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