Abstract
Three-phase LLC resonant converters have higher power capacity and power density at high power levels than single-phase LLC converters, making them a strong candidate for high-power battery charging applications. The selections of the resonance frequency and Ln-Q pairs have a significant impact on the design of a LLC converter. In this paper, a systematic design framework for a three-phase LLC converter with-winding configuration that attempts to determine the optimum resonant frequency by minimizing a fitness function consisting of power loss, volume and cost is proposed. The analysis on a 3700W 48V LLC charger has shown that magnetic losses can be improved by 34.8% through optimizing the three-phase LLC with a-winding configuration in comparison to a single-phase primary-series secondary-parallel connected 3-core configuration.
| Original language | English |
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| Title of host publication | IECON 2022 - 48th Annual Conference of the IEEE Industrial Electronics Society |
| Publisher | IEEE Computer Society |
| ISBN (Electronic) | 9781665480253 |
| DOIs | |
| Publication status | Published - 2022 |
| Event | 48th Annual Conference of the IEEE Industrial Electronics Society, IECON 2022 - Brussels, Belgium Duration: 17 Oct 2022 → 20 Oct 2022 |
Publication series
| Name | IECON Proceedings (Industrial Electronics Conference) |
|---|---|
| Volume | 2022-October |
| ISSN (Print) | 2162-4704 |
| ISSN (Electronic) | 2577-1647 |
Conference
| Conference | 48th Annual Conference of the IEEE Industrial Electronics Society, IECON 2022 |
|---|---|
| Country/Territory | Belgium |
| City | Brussels |
| Period | 17/10/22 → 20/10/22 |
Bibliographical note
Publisher Copyright:© 2022 IEEE.
Funding
ACKNOWLEDGMENT This paper has been produced benefiting from the H2020-MSCA-IF-2020 (Project No: 101031029) and the 2232 International Fellowship for Outstanding Researchers Program of TUBITAK (Project No: 118C374). However, the entire responsibility of the paper belongs to the owner of the paper. The financial support received from TUBITAK does not mean that the content of the publication is approved in a scientific sense by TUBITAK.
Keywords
- -winding configuration
- Battery charger
- optimization of power converters
- three-phase LLC