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author:

Zhang, Yiming (Zhang, Yiming.) [1] (Scholars:张艺明) | Ouyang, Hongjing (Ouyang, Hongjing.) [2] | Zhang, Tao (Zhang, Tao.) [3] | Xie, Ronghuan (Xie, Ronghuan.) [4] | Chen, Xiaoying (Chen, Xiaoying.) [5] (Scholars:陈孝莺) | Cheng, Xiangpeng (Cheng, Xiangpeng.) [6] | Li, Zhongqi (Li, Zhongqi.) [7]

Indexed by:

EI SCIE

Abstract:

For automated guided vehicles (AGVs), the charging current is generally high to shorten the charging time. To achieve a high-current output, parallel connections are often chosen to distribute the current evenly across multiple coils or systems. This letter proposes a high-current output method based on intertwined receiving coils and split compensation capacitors. The receiving coil is split into four intertwined coils. They are arranged in such a way that the four coils are symmetrical to each other even with offset. Meanwhile, part or all of the compensating capacitors on the receiving side can also be split into four branches, connecting to the corresponding four receiving coils. It is proved that for the coil structure proposed when the whole compensating capacitors are split into four branches, the current difference of the four coils is the smallest. An experimental prototype is implemented. The experimental results show that the proposed method can achieve good current balancing performance of the four receiving coils even under the conditions of load change and coil position offset.

Keyword:

Capacitors Coils Couplings Current sharing Equivalent circuits high-current output Impedance Inductance Inductors intertwined coil Resonance split compensating capacitors Topology Voltage wireless power transfer (WPT)

Community:

  • [ 1 ] [Zhang, Yiming]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 2 ] [Ouyang, Hongjing]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 3 ] [Zhang, Tao]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 ] [Cheng, Xiangpeng]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 7 ] [Li, Zhongqi]Huhan Univ Technol, Sch Elect & Informat Engn, Zhuzhou 412007, Peoples R China

Reprint 's Address:

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    [Cheng, Xiangpeng]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China;;[Li, Zhongqi]Huhan Univ Technol, Sch Elect & Informat Engn, Zhuzhou 412007, Peoples R China

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Source :

IEEE TRANSACTIONS ON POWER ELECTRONICS

ISSN: 0885-8993

Year: 2025

Issue: 7

Volume: 40

Page: 8923-8927

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: 0

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