Novel Cuk-Based Bridgeless Rectifier of Wireless Power Transfer System With Wide Power Modulation Range and Low Current Ripple

A novel Cuk-based bridgeless rectifier is proposed for receiving side of wireless power transfer (WPT) system. The proposed converter can not only help improve overall efficiency but also is with features of wide power modulation range and very low output current ripple. In terms of the output curre...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2022-03, Vol.69 (3), p.2533-2544
Main Authors: Luo, Jialin, Xiao, Wenxun, Zhang, Guidong, Qiu, Dongyuan, Zhang, Bo, Xie, Fan, Chen, Yanfeng
Format: Article
Language:English
Subjects:
Cuk-based bridgeless rectifier
Current sources
Delays
Design parameters
Low currents
Modulation
Power generation
receiving side
Rectifiers
Regulation
Synchronism
Synchronization
synchronization operation
Topology
wireless power transfer (WPT)
Wireless power transmission
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Summary:A novel Cuk-based bridgeless rectifier is proposed for receiving side of wireless power transfer (WPT) system. The proposed converter can not only help improve overall efficiency but also is with features of wide power modulation range and very low output current ripple. In terms of the output current source characteristics of series-series-compensated WPT system, a bridgeless rectifier and a Cuk converter are combined and an input inductor of Cuk converter is cut down to form the proposed single-stage converter. Besides, a synchronization operation method is derived for the proposed converter to realize the optimal working point of transmission power and efficiency. Operation principles of the converter and its impact on performance of WPT system are analyzed. Also, design methods for system parameters are given. A prototype is built up to verify the feasibility of the proposed topology and the operation method. It is noted that the proposed converter can well adjust the output power of WPT system to realize the desired working point via adjusting the duty cycle at different transfer distances and loads.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2021.3066927