Abstract
Dynamic wireless power transfer (DWPT) can provide energy to EVs in motion and extend the drive range. By upscaling the charging power to 200 kW (High Power DWPT), the percentage of electrified roadway reduces and the solution becomes cost-effective. However, coil coupling-coefficient variation during vehicle movement fluctuates the transferred power which is unfavorable for vehicle battery. Secondary regulation design can smooth the power but the converter design becomes very challenging due to requirement in high power, high efficiency, fast control, as well as high power density since the unit will be onboard. This paper provides the modular design approach of a 200 kW secondary side unit to achieve high performance and scalability. The DC/DC converter using SiC devices demonstrated 98.3% efficiency.
| Original language | English |
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| Title of host publication | 2021 IEEE Transportation Electrification Conference and Expo, ITEC 2021 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 744-748 |
| Number of pages | 5 |
| ISBN (Electronic) | 9781728175836 |
| DOIs | |
| State | Published - Jun 21 2021 |
| Event | 2021 IEEE Transportation Electrification Conference and Expo, ITEC 2021 - Chicago, United States Duration: Jun 21 2021 → Jun 25 2021 |
Publication series
| Name | 2021 IEEE Transportation Electrification Conference and Expo, ITEC 2021 |
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Conference
| Conference | 2021 IEEE Transportation Electrification Conference and Expo, ITEC 2021 |
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| Country/Territory | United States |
| City | Chicago |
| Period | 06/21/21 → 06/25/21 |
Funding
This manuscript has been authored by UT-Battelle LLC under Contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan. (http://energy.gov/downloads/doe-public-access-plan).