A Double-Sided LCC Compensation Network and Its Tuning Method for Wireless Power Transfer

Siqi Li; Weihan Li; Junjun Deng; Trong Duy Nguyen; Chunting Chris Mi

doi:10.1109/TVT.2014.2347006

A Double-Sided LCC Compensation Network and Its Tuning Method for Wireless Power Transfer

Siqi Li, Weihan Li, Junjun Deng, Trong Duy Nguyen, Chunting Chris Mi

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

1017 Citations (Scopus)

Abstract

This paper proposes a double-sided LCC compensation network and its tuning method for wireless power transfer (WPT). With the proposed topology and its tuning method, the resonant frequency is irrelevant with the coupling coefficient between the two coils and is also independent of the load condition, which means that the system can work at a constant switching frequency. Analysis in frequency domain is given to show the characteristics of the proposed method. We also propose a method to tune the network to realize zero voltage switching (ZVS) for the Primary-side switches. Simulation and experimental results verified analysis and validity of the proposed compensation network and the tuning method. A wireless charging system with output power of up to 7.7 kW for electric vehicles was built, and 96% efficiency from dc power source to battery load is achieved.

Original language	English
Article number	6876154
Pages (from-to)	2261-2273
Number of pages	13
Journal	IEEE Transactions on Vehicular Technology
Volume	64
Issue number	6
DOIs	https://doi.org/10.1109/TVT.2014.2347006
Publication status	Published - 1 Jun 2015
Externally published	Yes

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title = "A Double-Sided LCC Compensation Network and Its Tuning Method for Wireless Power Transfer",

abstract = "This paper proposes a double-sided LCC compensation network and its tuning method for wireless power transfer (WPT). With the proposed topology and its tuning method, the resonant frequency is irrelevant with the coupling coefficient between the two coils and is also independent of the load condition, which means that the system can work at a constant switching frequency. Analysis in frequency domain is given to show the characteristics of the proposed method. We also propose a method to tune the network to realize zero voltage switching (ZVS) for the Primary-side switches. Simulation and experimental results verified analysis and validity of the proposed compensation network and the tuning method. A wireless charging system with output power of up to 7.7 kW for electric vehicles was built, and 96\% efficiency from dc power source to battery load is achieved.",

author = "Siqi Li and Weihan Li and Junjun Deng and Nguyen, \{Trong Duy\} and Mi, \{Chunting Chris\}",

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AU - Li, Siqi

AU - Li, Weihan

AU - Deng, Junjun

AU - Nguyen, Trong Duy

AU - Mi, Chunting Chris

PY - 2015/6/1

Y1 - 2015/6/1

N2 - This paper proposes a double-sided LCC compensation network and its tuning method for wireless power transfer (WPT). With the proposed topology and its tuning method, the resonant frequency is irrelevant with the coupling coefficient between the two coils and is also independent of the load condition, which means that the system can work at a constant switching frequency. Analysis in frequency domain is given to show the characteristics of the proposed method. We also propose a method to tune the network to realize zero voltage switching (ZVS) for the Primary-side switches. Simulation and experimental results verified analysis and validity of the proposed compensation network and the tuning method. A wireless charging system with output power of up to 7.7 kW for electric vehicles was built, and 96% efficiency from dc power source to battery load is achieved.

AB - This paper proposes a double-sided LCC compensation network and its tuning method for wireless power transfer (WPT). With the proposed topology and its tuning method, the resonant frequency is irrelevant with the coupling coefficient between the two coils and is also independent of the load condition, which means that the system can work at a constant switching frequency. Analysis in frequency domain is given to show the characteristics of the proposed method. We also propose a method to tune the network to realize zero voltage switching (ZVS) for the Primary-side switches. Simulation and experimental results verified analysis and validity of the proposed compensation network and the tuning method. A wireless charging system with output power of up to 7.7 kW for electric vehicles was built, and 96% efficiency from dc power source to battery load is achieved.

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A Double-Sided LCC Compensation Network and Its Tuning Method for Wireless Power Transfer

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