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Design of Planar Transformers for LLC Converters in High Power Density On-Board Chargers for Electric Vehicles
- Source :
- Energies, Vol 16, Iss 18, p 6757 (2023)
- Publication Year :
- 2023
- Publisher :
- MDPI AG, 2023.
-
Abstract
- This article presents a planar transformer design and optimization method for high power density on-board chargers (OBCs) utilized in electric vehicles (EVs). Owing to considerations of electrical safety, OBCs require an isolated converter, leading to a substantial increase in volume due to the inclusion of a transformer. To address this issue and achieve high power density, a planar transformer is used, and an optimized design method is proposed for pattern arrangement, width, and core shape. The feasibility of the design is verified through the development of a 3.3 kW OBC prototype. Consequently, when compared to conventional transformers, the design method in this article results in a 27% reduction in the transformer’s height and a 20% reduction in its overall volume. This reduction is advantageous for meeting the requirements of high power density OBCs.
Details
- Language :
- English
- ISSN :
- 19961073
- Volume :
- 16
- Issue :
- 18
- Database :
- Directory of Open Access Journals
- Journal :
- Energies
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.97e26d7b87e40a1861432f82347510c
- Document Type :
- article
- Full Text :
- https://doi.org/10.3390/en16186757