Investigation and Design of Wireless Power Transfer System for Autonomous Underwater Vehicle

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With the development of wireless power transfer (WPT) technology, it is possible to transfer power to the batteries without plug-in cables and human interaction for autonomous underwater vehicles (AUVs), taking advantage of high safety, high reliability and unattended capability. However, when implementing the WPT system under the seawater environment, the electrical properties of seawater including the permittivity and the conductivity cause a significant changing in the parasitics of winding coils underwater. The seawater, which owns higher permittivity and conductivity compared to the air, not only causes extra parasitic capacitance to coils but also conducts extra eddy current loss, and thus reduces the system efficiency. In this paper, the characteristics of winding coils underwater are investigated and an optimized design methodology for underwater WPT system with series-series (SS) compensation is proposed. A 200-W underwater WPT prototype is built and experimentally verifies the analysis for the coils and the optimized design approach. The experimental demonstration also shows the system efficiency comparison between the air, the water, and the seawater environments.
Original languageEnglish
Title of host publicationProceedings of 2019 IEEE Applied Power Electronics Conference and Exposition (APEC)
PublisherIEEE
Publication date2019
Pages3144-3150
DOIs
Publication statusPublished - 2019
Event34th annual IEEE Applied Power Electronics Conference and Exposition - Anaheim convention center, Anaheim, United States
Duration: 17 Mar 201921 Mar 2019

Conference

Conference34th annual IEEE Applied Power Electronics Conference and Exposition
LocationAnaheim convention center
CountryUnited States
CityAnaheim
Period17/03/201921/03/2019
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Underwater wireless power transfer, Inductive power transfer, Series-Series compensation, Optimized design, Autonomous underwater vehicles

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