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LLC resonant converter for front end DC/DC conversion
Abstract
A new LLC resonant converter is proposed for front end DC/DC conversion in a distributed power system. Three advantages are achieved with this resonant converter. First, ZVS turn on and low turn off current of MOSFETs are achieved. The switching loss is reduced so we can operate the converter at higher switching frequency. The second advantage is that with this topology, we can optimize the converter at high input voltage. Finally, with this topology, we can eliminate the secondary filter inductor, so the voltage stress on the secondary rectifier will be limited to two times the output voltage, better rectifier diodes can be used and secondary conduction loss can be reduced. The converter utilizes leakage and magnetizing inductance of a transformer. With magnetic integration concept, all the magnetic components can be built in one magnetic core. The operation and characteristic of this converter is introduced and efficiency comparison between this converter and a conventional PWM converter is given which shows a great improvement by using this topology.
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Cited by
Extreme Fast Charging of Electric Vehicles: A Technology Overview
Tu, H., Feng, H., Srdic, S., & Lukic, S. (2019) · IEEE Transactions on Transportation Electrification · doi:10.1109/tte.2019.2958709 · Cited by 898
An LLC Resonant DC–DC Converter for Wide Output Voltage Range Battery Charging Applications
Musavi, F., Craciun, M., Gautam, D. S., Eberle, W., & Dunford, W. G. (2013) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2013.2241792 · Cited by 498
Design Methodology of LLC Resonant Converters for Electric Vehicle Battery Chargers
Deng, J., Li, S., Hu, S., Mi, C. C., & Ma, R. (2014) · IEEE Transactions on Vehicular Technology · doi:10.1109/tvt.2013.2287379 · Cited by 478
A Hybrid Fuel Cell Power System
Jin, K., Ruan, X., Yang, M., & Xu, M. (2009) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2008.2008336 · Cited by 331
LLC Resonant Converter With Matrix Transformer
Huang, D., Ji, S., & Lee, F. C. (2014) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2013.2292676 · Cited by 261
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Metadata
- Authors
- Yang, B., Lee, F. C., Zhang, A. J., & Huang, G.
- Venue
- APEC. Seventeenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.02CH37335)
- Publisher
- IEEE
- Published
- 2003-06-25
- Volume
- 2
- Pages
- 1108-1112
- OpenAlex
- W2146011910
- Cited by
- 1,029
- References
- 0
- FWCI
- 17.33
- Type
- conference paper
- Language
- en
- Open access
- closed
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- Yang, B., Lee, F. C., Zhang, A. J., & Huang, G. (2003). LLC resonant converter for front end DC/DC conversion. APEC. Seventeenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.02CH37335). https://doi.org/10.1109/apec.2002.989382
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