Integrated LCC Compensation Topology for Wireless Charger in Electric and Plug-in Electric Vehicles

Weihan Li; Han Zhao; Siqi Li; Junjun Deng; Tianze Kan; Chunting Chris Mi

doi:10.1109/TIE.2014.2384003

Integrated LCC Compensation Topology for Wireless Charger in Electric and Plug-in Electric Vehicles

Weihan Li, Han Zhao, Siqi Li, Junjun Deng, Tianze Kan, Chunting Chris Mi

Research output: Contribution to journal › Article › peer-review

311 Citations (Scopus)

Abstract

This paper presents an integrated LCC compensation topology for electric vehicle/plug-in hybrid electric vehicle wireless chargers. The effect of the coupling between the additional coil and the main coil on the LCC compensation topology is studied. The proposed topology will reduce the size of the additional coil and make the system more compact with extremely high efficiency. The basic characteristics of the proposed topology are analyzed based on fundamental harmonic approximation. Furthermore, based on the steady-state model, three categories of operation modes are presented and analyzed. In order to realize zero-voltage switching, the series capacitor C₂ on the secondary side is tuned. A numerical method is used to analyze the impact of different values of Δ C₂ on the turnoff current, and the best value of C₂ is chosen to build a prototype to verify the analysis.

Original language	English
Article number	6991579
Pages (from-to)	4215-4225
Number of pages	11
Journal	IEEE Transactions on Industrial Electronics
Volume	62
Issue number	7
DOIs	https://doi.org/10.1109/TIE.2014.2384003
Publication status	Published - 1 Jul 2015
Externally published	Yes

Keywords

Current source
electric vehicle (EV)
operation modes
wireless power transfer (WPT)
zero-voltage switching (ZVS)

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10.1109/TIE.2014.2384003

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title = "Integrated LCC Compensation Topology for Wireless Charger in Electric and Plug-in Electric Vehicles",

abstract = "This paper presents an integrated LCC compensation topology for electric vehicle/plug-in hybrid electric vehicle wireless chargers. The effect of the coupling between the additional coil and the main coil on the LCC compensation topology is studied. The proposed topology will reduce the size of the additional coil and make the system more compact with extremely high efficiency. The basic characteristics of the proposed topology are analyzed based on fundamental harmonic approximation. Furthermore, based on the steady-state model, three categories of operation modes are presented and analyzed. In order to realize zero-voltage switching, the series capacitor C2 on the secondary side is tuned. A numerical method is used to analyze the impact of different values of Δ C2 on the turnoff current, and the best value of C2 is chosen to build a prototype to verify the analysis.",

keywords = "Current source, electric vehicle (EV), operation modes, wireless power transfer (WPT), zero-voltage switching (ZVS)",

author = "Weihan Li and Han Zhao and Siqi Li and Junjun Deng and Tianze Kan and Mi, {Chunting Chris}",

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AU - Li, Weihan

AU - Zhao, Han

AU - Li, Siqi

AU - Deng, Junjun

AU - Kan, Tianze

AU - Mi, Chunting Chris

PY - 2015/7/1

Y1 - 2015/7/1

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AB - This paper presents an integrated LCC compensation topology for electric vehicle/plug-in hybrid electric vehicle wireless chargers. The effect of the coupling between the additional coil and the main coil on the LCC compensation topology is studied. The proposed topology will reduce the size of the additional coil and make the system more compact with extremely high efficiency. The basic characteristics of the proposed topology are analyzed based on fundamental harmonic approximation. Furthermore, based on the steady-state model, three categories of operation modes are presented and analyzed. In order to realize zero-voltage switching, the series capacitor C2 on the secondary side is tuned. A numerical method is used to analyze the impact of different values of Δ C2 on the turnoff current, and the best value of C2 is chosen to build a prototype to verify the analysis.

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KW - electric vehicle (EV)

KW - operation modes

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KW - zero-voltage switching (ZVS)

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Integrated LCC Compensation Topology for Wireless Charger in Electric and Plug-in Electric Vehicles

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Keywords

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