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author:

Wu, Yuanchao (Wu, Yuanchao.) [1] | Liu, Chao (Liu, Chao.) [2] | Zhou, Mingzhou (Zhou, Mingzhou.) [3] | Mao, Xingkui (Mao, Xingkui.) [4] | Zhang, Yiming (Zhang, Yiming.) [5]

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EI

Abstract:

Wireless power transfer (WPT) has the advantages of safety, convenience, and freedom from the impact of the environment. Misalignment tolerance is a major issue for the electric vehicle wireless charging system. In this letter, a WPT system with antioffset characteristic is proposed based on dual coupled transmitting coils with antiparallel windings, forming the inductor-capacitor-capacitor-series (LCC-S) topology. The T-shaped equivalent circuit is developed to obtain the decoupling circuit. Based on the misalignment tolerant characteristic of the antiparallel windings, the two transmitting coils are designed to have the same coil structure with antiparallel windings, leading to the same variation trend of the coupling between the two transmitting coils and the receiving coil and the opposite influence on the output. Therefore, the output voltage can be stable within a certain misalignment range. An experimental prototype is built to verify the effectiveness of the proposal. The experimental results show that the output voltage can remain stable within the range of -150 to 150 mm in the horizontal direction and 80-160 mm in the vertical direction. © 2022 IEEE.

Keyword:

Alignment Charging (batteries) Electric vehicles Electric windings Energy transfer Equivalent circuits Inductive power transmission Timing circuits Topology Winding

Community:

  • [ 1 ] [Wu, Yuanchao]Fuzhou University, Fujian Key Laboratory of New Energy Generation and Power Conversion, School of Electrical Engineering and Automation, Fuzhou; 350108, China
  • [ 2 ] [Liu, Chao]Fuzhou University, Fujian Key Laboratory of New Energy Generation and Power Conversion, School of Electrical Engineering and Automation, Fuzhou; 350108, China
  • [ 3 ] [Zhou, Mingzhou]Fuzhou University, Fujian Key Laboratory of New Energy Generation and Power Conversion, School of Electrical Engineering and Automation, Fuzhou; 350108, China
  • [ 4 ] [Mao, Xingkui]Fuzhou University, Fujian Key Laboratory of New Energy Generation and Power Conversion, School of Electrical Engineering and Automation, Fuzhou; 350108, China
  • [ 5 ] [Zhang, Yiming]Fuzhou University, Fujian Key Laboratory of New Energy Generation and Power Conversion, School of Electrical Engineering and Automation, Fuzhou; 350108, China

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Source :

IEEE Transactions on Power Electronics

ISSN: 0885-8993

Year: 2023

Issue: 5

Volume: 38

Page: 5634-5637

6 . 6

JCR@2023

6 . 6 0 0

JCR@2023

ESI HC Threshold:35

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 41

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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