Journal
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
Volume 67, Issue 2, Pages 966-976Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TVT.2017.2750076
Keywords
Electromagnetic integrated transformer; integrated converter; plug-in electric vehicle; resonant converter; V2G; variable dc-link
Categories
Funding
- National Science Foundation [1602012]
- Div Of Industrial Innovation & Partnersh
- Directorate For Engineering [1602012] Funding Source: National Science Foundation
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This paper proposes a unique integrated and isolated dual-output dc-dc resonant converter, which can interface both HV traction batteries and LV loads. In addition, the proposed topology is bidirectional, capable of delivering power from HV traction batteries to the grid for vehicle-to-grid (V2G) applications. To increase the power density of the converter, the dual-output dc-dc resonant converter combines magnetic components of resonant networks into a single three-winding electromagnetically integrated transformer. The resonant converter uses a half-bridge topology with split capacitors as the resonant network components to further reduce the size of a converter. The variable dc-link voltage strategy is utilized to enhance the efficiency over the entire output voltage range. A 3.3-kW converter is designed and developed for validation of various operation modes, including grid-to-vehicle, V2G, and HV-to-LV charging.
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