Bidirectional Resonant Converter with Half-Bridge Circuits: Analysis, Design, and Implementation

Bor-Ren Lin and Guan-Yi Wu
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Bor-Ren Lin: Department of Electrical Engineering, National Yunlin University of Science and Technology, Yunlin 640, Taiwan
Guan-Yi Wu: Department of Electrical Engineering, National Yunlin University of Science and Technology, Yunlin 640, Taiwan

Energies, 2018, vol. 11, issue 5, 1-15

Abstract: A soft-switching dc–dc converter with bidirectional power flow capability is studied in this paper for energy storage units or electric vehicle applications. The circuit topology of the studied converter is constructed using a dual half-bridge circuit with split capacitors. A series resonant tank with frequency control modulation is employed in the proposed circuit to realize the soft switching characteristics of active devices. Synchronous-rectifier-based Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFETs) are used on the low-voltage side to lessen conduction loss on the power semiconductors. The benefits of the studied circuit are bidirectional power flow capability, high efficiency, low switching loss, and simple circuit structure. The achievability of the developed converter is demonstrated from test results with a scaled-down laboratory prototype.

Keywords: resonant circuit; bidirectional power flow; zero-voltage switching; half-bridge circuit (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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