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author:

Liu, Chao (Liu, Chao.) [1] | Zhou, Mingzhu (Zhou, Mingzhu.) [2] | Xie, Ronghuan (Xie, Ronghuan.) [3] | Chen, Xiaoying (Chen, Xiaoying.) [4] (Scholars:陈孝莺) | Mao, Xingkui (Mao, Xingkui.) [5] (Scholars:毛行奎) | Zhang, Yiming (Zhang, Yiming.) [6] (Scholars:张艺明)

Indexed by:

Scopus SCIE

Abstract:

With the development of electric vehicles (EVs), there are two rated voltage levels for lithium-ion batteries, namely 400 and 800 V. Given the interoperability performance of public wireless power transfer (WPT) facilities, EV WPT systems should efficiently transmit power for both battery options. In this letter, a method is proposed by combining the coupling structure with a reconfigurable inductor-capacitor-capacitor (LCC) compensation network to enable charging EVs with the nominal battery voltage (NBV) of 400 or 800 V at the same power level, while maintaining high efficiency. The secondary LCC compensation is reconfigured so that the equivalent compensating inductance is varied. The mathematical model is established. The downscaled experimental prototype achieves a dc-dc efficiency of 95.34 and 92.40% for the output voltages of 200 and 400 V at the power level of 1.5 kW, respectively. The feasibility of the proposed system has been verified under the condition of alignment and misalignment of two sets of coupling coils.

Keyword:

Batteries Coils Control systems Couplings Electric vehicles (EVs) Electrons Inductance interoperability nominal battery voltage (NBV) Prototypes Switches Topology Wireless power transfer wireless power transfer (WPT)

Community:

  • [ 1 ] [Liu, Chao]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 2 ] [Zhou, Mingzhu]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 3 ] [Xie, Ronghuan]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 4 ] [Chen, Xiaoying]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 5 ] [Mao, Xingkui]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 6 ] [Zhang, Yiming]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • 毛行奎 张艺明

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

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Source :

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS

ISSN: 0278-0046

Year: 2025

7 . 5 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: 6

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