Analysis of Impedance Matched Circuit for Wireless Power Transfer

被引：0

作者：

Ong, Andrew ^{[1
,3
]}

Sampath, J. P. K. ^{[2
]}

Beng, Gilbert Foo Hock ^{[2
]}

Kheng, Tan Yen ^{[3
]}

Vilathgamuwa, D. M. ^{[4
]}

Bac, Nguyen Xuan ^{[2
]}

机构：

[1] Nanyang Technol Univ, Interdisciplinary Grad Sch, Singapore, Singapore

[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore

[3] Nanyang Technol Univ, Energy Res Inst NTU ERI N, Singapore, Singapore

[4] Queensland Univ Technol, Fac Sci & Engn, Brisbane, Qld, Australia

来源：

IECON 2014 - 40TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2014年

关键词：

wireless power transfer; series compensation; magnetic resonance; input impedance; frequency bifurcation effect; TRANSFER SYSTEM; DESIGN;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Typical wireless power transfer systems utilize series compensation circuit which is based on magnetic coupling and resonance principles that was first developed by Tesla. However, changes in coupling caused by gap distance, alignment and orientation variations can lead to reduce power transfer efficiencies and the transferred power levels. This paper proposes impedance matched circuit to reduce frequency bifurcation effect and improve on the transferred power level, efficiency and total harmonic distortion (THD) performance of the series compensation circuit. A comprehensive mathematical analysis is performed for both series and impedance matched circuits to show the frequency bifurcation effects in terms of input impedance, variations in transferred power levels and efficiencies. Matlab/ Simulink results validate the theoretical analysis and shows the circuits' THD performance when circuits are fed with power electronic converters.

引用

页码：2965 / 2970

页数：6

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