Design of LCC-P Constant Current Topology Parameters for AUV Wireless Power Transfer

Kangheng Qiao, Enguo Rong, Pan Sun, Xiaochen Zhang and Jun Sun
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Kangheng Qiao: School of Electrical Engineering, Naval University of Engineering, Wuhan 430000, China
Enguo Rong: School of Electrical Engineering, Naval University of Engineering, Wuhan 430000, China
Pan Sun: School of Electrical Engineering, Naval University of Engineering, Wuhan 430000, China
Xiaochen Zhang: School of Electrical Engineering, Naval University of Engineering, Wuhan 430000, China
Jun Sun: School of Electrical Engineering, Naval University of Engineering, Wuhan 430000, China

Energies, 2022, vol. 15, issue 14, 1-13

Abstract: The wireless power transmission (WPT) of an autonomous underwater vehicle (AUV) tends to have non-negligible eddy current loss with increasing frequency or coil current due to the conductivity of seawater. In this paper, the inductor-capacitor-capacitor and parallel (LCC-P) topology and the magnetic coupler with an H-shaped receiver structure are chosen to achieve a compact system on the receiving side. The conditions for constant current output of the LCC-P topology are analyzed based on the cascaded circuit analysis method. The traditional parameter design method does not consider the influence of eddy current loss on the system circuit model, by introducing the equivalent eddy current loss resistance at both the transmitting side and receiving side, a modified circuit model of the WPT system in the seawater condition was obtained. Afterward, a nonlinear programming model with the optimal efficiency of the constant current mode as the objective function is established, and the genetic algorithm is used to obtain the optimal system parameters. An underwater AUV-WPT prototype was built and the finite element simulation and experimental results verified the theoretical analysis.

Keywords: inductor-capacitor-capacitor (LCC-P) topology; constant current (CC); parameter design; eddy current loss; genetic algorithm (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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