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author:

Zhang, Y. (Zhang, Y..) [1] | Tang, H. (Tang, H..) [2] | Shen, Z. (Shen, Z..) [3] | Zhuang, Y. (Zhuang, Y..) [4] | Li, Z. (Li, Z..) [5]

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Scopus

Abstract:

Inductive power transfer enjoys the advantages of convenience and adaptability to various application scenarios. However, the coil misalignment normally cannot be avoided in practical applications, which can cause a dramatic decline of the mutual inductance and a sharp fluctuation of the output. To solve this issue, this article proposes an inductor-capacitor (LC) squared-compensated topology based on three integrated and decoupled transmitting coils. The simple series compensation is adopted on the secondary side, forming an LC squared series topology with a constant-current (CC) output. The receiving coil has couplings with the first and third transmitting coils. Thus, the output is related to the two mutual inductances, which can be optimized for a smooth output against misalignment with a proper design of the magnetic couplers. The mathematical model is established and analyzed. The experimental results obtained from the prototype reveal that the output fluctuates less than 6% from the central to the boundary positions. Also, a CC output independent of the load is realized. Compared with previous methods, the proposed method is a low-cost solution to achieve misalignment tolerance. © 1986-2012 IEEE.

Keyword:

Constant current (CC) inductive power transfer (IPT) LC squared compensation misalignment tolerance wireless power transfer (WPT)

Community:

  • [ 1 ] [Zhang Y.]Fuzhou University, School of Electrical Engineering and Automation, Fuzhou, 350108, China
  • [ 2 ] [Tang H.]Fuzhou University, School of Electrical Engineering and Automation, Fuzhou, 350108, China
  • [ 3 ] [Shen Z.]Fuzhou University, School of Electrical Engineering and Automation, Fuzhou, 350108, China
  • [ 4 ] [Zhuang Y.]Fuzhou University, School of Electrical Engineering and Automation, Fuzhou, 350108, China
  • [ 5 ] [Li Z.]Hunan University of Technology, College of Railway Transportation, Zhuzhou, 412007, China

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Source :

IEEE Transactions on Power Electronics

ISSN: 0885-8993

Year: 2024

Issue: 4

Volume: 39

Page: 4850-4857

6 . 6 0 0

JCR@2023

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ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 3

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