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Energies 2017, 10(10), 1588; doi:10.3390/en10101588

Analysis and Design of a Wireless Power Transfer System with Dual Active Bridges

1
Key Laboratory of Control of Power Transmission and Transformation Ministry of Education, Shanghai Jiao Tong University, 800 Dongchuan RD., Shanghai 200240, China
2
College of Electric and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
*
Author to whom correspondence should be addressed.
Academic Editor: Chunhua Liu
Received: 25 August 2017 / Revised: 30 September 2017 / Accepted: 9 October 2017 / Published: 12 October 2017
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Abstract

Nowadays, work on Wireless Power Transfer (WPT) systems with dual active bridges is attracting great attention due to their low conduction losses, power regulation, load transformation and reactance compensation. However, in these studies limitations such as overall analysis, design and realization techniques of the system were not considered properly. To address the aforementioned issues, this paper presents a detailed analysis, design and realization of a Series-Series (SS) WPT system with dual active bridges, which will improve the overall performance. Three independent Phase Angles (PAs) have been analyzed and designed in this study, one PA on the primary side and the other two PAs on the secondary side. This Multiple Degrees of Phase Control (MDPC) method can achieve additional reactance compensation, load transformation and output regulation simultaneously. To realize the proposed method in practice, key implementation techniques have been investigated in detail, including additional reactance estimation, mutual inductance estimation, phase detection and synchronization. The feasibility and effectiveness of the proposed system is verified through simulation and experimental results. View Full-Text
Keywords: dual active bridges; parameter estimation; Multiple Degrees of Phase Control (MDPC); synchronization; Wireless Power Transfer (WPT) dual active bridges; parameter estimation; Multiple Degrees of Phase Control (MDPC); synchronization; Wireless Power Transfer (WPT)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Liu, X.; Wang, T.; Yang, X.; Jin, N.; Tang, H. Analysis and Design of a Wireless Power Transfer System with Dual Active Bridges. Energies 2017, 10, 1588.

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