High efficiency wide range bidirectional DC/DC converter for OBCM application
Abstract
This paper present a study of the isolated DC/DC stage of Bi-directional on-board battery charger module (OBCM) for electric vehicle (EV) and plug-in hybrid electric vehicle (PHEV) application. The modulated dual active bridge (DAB) converter and boost series resonant converter were thoroughly analyzed for this application. The ZVS boundary conditions, power stage optimization compatible to wide output range were provided including high to light loading. Using digital control schemes, a standard 3.5kW prototype DC/DC converter designed for a high-frequency galvanic isolation of 390Vdc bus was developed with 240V~430V output range. Simulation and experimental result verify the performance of the proposed boost series resonant converter is over 97% efficiency for the whole full power charging / discharging range, peak close to 98%, the design were based on automotive level components, and the designed volume was also comparable to existing unidirectional OBCM as real product application.
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- Authors
- Liu, G., Li, D., Zhang, J. Q., & Jia, M. L.
- Affiliations
- Fudan University (CN)
- Delta Electronics (China) (CN)
- Venue
- 2014 International Power Electronics and Application Conference and Exposition
- Publisher
- IEEE
- Published
- 2014-11
- Pages
- 1434-1438
- OpenAlex
- W2542728572
- Cited by
- 16
- References
- 12
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 2 · 2022: 3 · 2021: 1 · 2019: 1 · 2018: 1 · 2017: 4 · 2016: 1
- FWCI
- 2.03
- Type
- conference paper
- Language
- en
- Open access
- closed
- Locations
- IEEE International Power Electronics and Application Conference and Exposition (PEAC) (publishedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced DC-DC Converters
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Wireless Power Transfer Systems
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
- Keywords
- bidirectional DC-DC converter, on-board charger, electric vehicles, plug-in hybrid electric vehicles, dual active bridge converter, zero-voltage switching, galvanic isolation, high efficiency, digital control, battery charging and discharging
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