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author:

Zhang, Yiming (Zhang, Yiming.) [1] (Scholars:张艺明) | Wu, Yuanchao (Wu, Yuanchao.) [2] | Pan, Wenbin (Pan, Wenbin.) [3] | Wang, Hui (Wang, Hui.) [4] | Shen, Zhiwei (Shen, Zhiwei.) [5] | Li, Xin (Li, Xin.) [6] | Mao, Xingkui (Mao, Xingkui.) [7] (Scholars:毛行奎) | Li, Zhongqi (Li, Zhongqi.) [8]

Indexed by:

EI Scopus SCIE

Abstract:

As an emerging technology, wireless power transfer (WPT) can be applied in many fields such as consumer electronics. Due to the limited charging area, the user experience of wireless charging for consumer electronics needs to be enhanced. Based on the tilted long-track transmitting coil array, this brief proposes a high-degree-of-freedom WPT system to achieve free positioning wireless charging when the receiver is placed horizontally or with a tilted angle on the charging plane. Using long-track transmitting coils can enlarge the charging area along the track direction. Using the transmitting coil array and supplying power via two adjacent transmitting coils when the receiver is placed in between the transmitting coils can enhance the charging area along the direction perpendicular to the track direction. Using the tilted transmitting coils can enable wireless charging when the consumer electronics are in use, normally in a tilted angle. The adopted LCC-S (inductor-capacitor-capacitor-series) topology facilitates wireless charging with a weak coupling. The proposed system can achieve free positioning wireless charging horizontally, based on a limited number of transmitting coils and no selection switches. The experimental results have validated the proposed WPT system.

Keyword:

Couplings Equivalent circuits Free positioning Inductive charging Inverters long-track Rectifiers tilted Topology transmitting coil array Voltage wireless charging wireless power transfer (WPT)

Community:

  • [ 1 ] [Zhang, Yiming]Fuzhou Univ, Sch Elect Engn & Automat, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350108, Peoples R China
  • [ 2 ] [Wu, Yuanchao]Fuzhou Univ, Sch Elect Engn & Automat, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350108, Peoples R China
  • [ 3 ] [Pan, Wenbin]Fuzhou Univ, Sch Elect Engn & Automat, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350108, Peoples R China
  • [ 4 ] [Wang, Hui]Fuzhou Univ, Sch Elect Engn & Automat, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350108, Peoples R China
  • [ 5 ] [Shen, Zhiwei]Fuzhou Univ, Sch Elect Engn & Automat, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350108, Peoples R China
  • [ 6 ] [Mao, Xingkui]Fuzhou Univ, Sch Elect Engn & Automat, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350108, Peoples R China
  • [ 7 ] [Li, Xin]Southeast Univ, Sch Elect Engn, Nanjing 210096, Peoples R China
  • [ 8 ] [Li, Zhongqi]Hunan Univ Technol, Coll Railway Transportat, Zhuzhou 412007, Peoples R China

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Source :

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS

ISSN: 1549-7747

Year: 2022

Issue: 9

Volume: 69

Page: 3849-3853

4 . 4

JCR@2022

4 . 0 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:66

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count: 9

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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