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Design of output filter in LLC resonant converters for ripple current reduction in battery charging applications
- Authors
- Park S.-M.[Park S.-M.]; Kim D.-H.[Kim D.-H.]; Joo D.-M.[Joo D.-M.]; Kim M.-J.[Kim M.-J.]; Lee B.-K.[Lee B.-K.]
- Issue Date
- 2015
- Citation
- 9th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics, ICPE 2015-ECCE Asia, pp.2050 - 2056
- Journal Title
- 9th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics, ICPE 2015-ECCE Asia
- Start Page
- 2050
- End Page
- 2056
- Abstract
- In this paper, a filter design guideline to reduce the ripple current in LLC resonant converters for the battery charger is proposed. The effect of filter inductor on the resonant network is mathematically analyzed, and a filter inductor is designed considering capacitance of the battery. The voltage gain of LLC resonant converter with filter inductor is analyzed through fundamental harmonic approximation (FHA) method. This research verifies performance of ripple current reduction compared with conventional LLC resonant converter without output filter inductor through mathematical analysis, simulation and experimental results. © 2015 Korean Institute of Power Electronics.
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Related Researcher
- LEE, BYOUNG KUK
- Information and Communication Engineering (Electronic and Electrical Engineering)