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author:

Zhang, Yiming (Zhang, Yiming.) [1] (Scholars:张艺明) | Huang, Zhongjin (Huang, Zhongjin.) [2] | Shen, Zhiwei (Shen, Zhiwei.) [3] | Xie, Ronghuan (Xie, Ronghuan.) [4] | Chen, Xiaoying (Chen, Xiaoying.) [5] (Scholars:陈孝莺) | Mao, Xingkui (Mao, Xingkui.) [6] (Scholars:毛行奎)

Indexed by:

EI Scopus SCIE

Abstract:

In wireless power transfer (WPT) systems for electric vehicles (EVs), interoperability and misalignment tolerance for different receiving charging terminals meet great demands. In this article, a hybrid topology with a vector synthesis strategy and highly integrated magnetic couplers are proposed to achieve misalignment tolerance and interoperability for unipolar (Q), bipolar (DD), and quadrupolar (QUA) coils over the X and Y misalignments. By adjusting the phase angles of the four half-bridge inverters under different misalignments, the output voltage fluctuation can be limited. The mathematical model of the proposed hybrid topology is established and the vector synthesis strategy is introduced. The magnetic couplers and the design principle are presented. A 2-kW prototype is built to verify the proposed system. The experimental results demonstrate that the output voltage fluctuation under misalignments is less than 3.1% for the Rx Q coil, 3.3% for the Rx DD coil, and 4.3% for the Rx QUA coil, and the peak efficiency is 89.3%.

Keyword:

Coils Couplers Couplings Ferrites Fluctuations Highly integrated magnetic couplers hybrid topology Inductors interoperability Inverters misalignment tolerance Topology Vectors vector synthesis strategy wireless power transfer (WPT)

Community:

  • [ 1 ] [Zhang, Yiming]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 2 ] [Huang, Zhongjin]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 3 ] [Shen, Zhiwei]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 4 ] [Xie, Ronghuan]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 5 ] [Chen, Xiaoying]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 6 ] [Mao, Xingkui]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • 陈孝莺 毛行奎

    [Chen, Xiaoying]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China;;[Mao, Xingkui]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China

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Source :

IEEE TRANSACTIONS ON POWER ELECTRONICS

ISSN: 0885-8993

Year: 2025

Issue: 5

Volume: 40

Page: 7512-7522

6 . 6 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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