An LCC-P Compensated Wireless Power Transfer System with a Constant Current Output and Reduced Receiver Size

Zhengchao Yan, Yiming Zhang, Baowei Song, Kehan Zhang, Tianze Kan and Chris Mi
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Zhengchao Yan: School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China
Yiming Zhang: Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA 92182, USA
Baowei Song: School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China
Kehan Zhang: School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China
Tianze Kan: Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA 92182, USA
Chris Mi: Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA 92182, USA

Energies, 2019, vol. 12, issue 1, 1-14

Abstract: Wireless Power Transfer (WPT) for autonomous underwater vehicles (AUVs) has been a research focus in recent years. This paper studies the inductor-capacitor-capacitor and parallel (LCC-P) compensation topology to achieve a compact receiver for AUVs. Unlike the series-series (SS) compensation topology, the LCC-P topology retains the advantages of the double-sided LCC topology and has a more compact receiver than the double-sided LCC topology with fewer elements used on the receiver side. The analytical model of such a WPT system is established to analyze the output power and transfer efficiency. The LCC-P topology has a higher efficiency compared to the SS topology due to the smaller conduction loss of the inverter. Moreover, a method of eliminating the DC filter inductor L 0 is proposed to further decrease the size and weight of the receiver. The amplitude of the withstanding voltage on the receiver compensation capacitor without L 0 is approximately decreased by 40% compared to that with L 0 . Both cases of with and without L 0 have a constant current output and the peak efficiency without L 0 is about 94%, which is 1% lower than that with L 0 . A prototype was built and the experimental results verified the theoretical analysis.

Keywords: wireless power transfer (WPT); compact receiver; constant current output; inductor-capacitor-capacitor and parallel (LCC-P) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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