A 100-kW Wireless Power Transfer System Development Using Polyphase Electromagnetic Couplers

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

11 Scopus citations

Abstract

Wireless power transfer (WPT) is an essential technology enabling automated charging of electric vehicles with safety, convenience, and flexibility while having high efficiencies. High-power wireless charging systems will be one of the dominating charging technologies for electric vehicles (EVs) in an effort to eliminate range anxiety and reduce charging times similar to that of gas station refueling practice. Polyphase electromagnetic coupler with rotating fields is a new bipolar wireless charging pad technology that can significantly increase the surface power density (kW/m2) of wireless charging coils. This study proposes a 100-kW wireless power transfer system with a compact vehicle-side (receiver) coupler that reaches to about 0.905 MW/m2 surface power density with a transmitter rated for up to 300 kW with 0.68 MW/m2. High-frequency power electronics including the inverter and rectifier designs are included in this digest along with the hardware prototype developments and preliminary experimental results.

Original languageEnglish
Title of host publication2022 IEEE Transportation Electrification Conference and Expo, ITEC 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages273-278
Number of pages6
ISBN (Electronic)9781665405607
DOIs
StatePublished - 2022
Event2022 IEEE Transportation Electrification Conference and Expo, ITEC 2022 - Anaheim, United States
Duration: Jun 15 2022Jun 17 2022

Publication series

Name2022 IEEE Transportation Electrification Conference and Expo, ITEC 2022

Conference

Conference2022 IEEE Transportation Electrification Conference and Expo, ITEC 2022
Country/TerritoryUnited States
CityAnaheim
Period06/15/2206/17/22

Funding

ACKNOWLEDGMENT This research used the resources available at the Power Electronics and Electric Machinery Research Center at the National Transportation Research Center, a US Department of Energy (DOE) Office of Energy Efficiency and Renewable Energy user facility operated by the Oak Ridge National Laboratory (ORNL). The authors would like to thank Dr. Burak Ozpineci (ORNL) and Dr. David E. Smith for their managerial support and technical guidance and Lee Slezak (DOE) for funding this work and project guidance.

FundersFunder number
U.S. Department of Energy
Oak Ridge National Laboratory

    Keywords

    • electric vehicle
    • polyphase coupler
    • wireless charging
    • wireless power transfer

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