The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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Design of Optimal Resonant Frequency for Series-Loaded Resonant DC-DC Converter in EVs On-Board Battery Charger Application

전기자동차 탑재형 충전기용 부하직렬공진형 컨버터의 최적 공진주파수 설계

  • Oh, Chang-Yeol (School of Information and Communication Engineering, Sungkyunkwan University) ;
  • Kim, Jong-Soo (Power Center, Material & Device Research Center, Samsung Advanced Institute of Technology) ;
  • Lee, Byoung-Kuk (School of Information and Communication Engineering, Sungkyunkwan University)
  • Received : 2011.09.09
  • Accepted : 2011.12.13
  • Published : 2012.02.20
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Abstract

This paper describes the process of optimal resonant frequency design with full-bridge series-loaded resonant dc-dc converter in a high efficiency 3.3 kW on-board battery charger application for Electric Vehicles and Plug-in Hybrid Electric Vehicles. The optimal range of resonant frequency and switching frequency used for ZVS are determined by considering trade-off between loss of switching devices and resonant network with size of passive/magnetic devices. In addition, it is defined charging region of battery, the load of on-board charger, as the area of load by deliberating the characteristic of resonant. It is verified the designed frequency band by reflecting the defined area on resonant frequency.

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References

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