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

The Korean Institute of Power Electronics (전력전자학회)
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A New Zero-Current-Transition Forward Converter without Reset Turn

리셋 권선을 사용하지 않는 새로운 형태의 영전류 천이형 포워드 컨버터

  • Eun-Seong, Baek (Dept. of Electronic Telecommunications Mechanical & Automative Engineering, Inje University) ;
  • Hyun-Chil, Choi (Dept. of Electronic & Telecommunication Engineering, Inje University)
  • Received : 2022.03.11
  • Accepted : 2022.05.12
  • Published : 2022.12.20
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Abstract

A new type of soft-switching forward converter is proposed in this study. By adding only a few components, the inductor, diode, switch, and capacitor exhibit higher efficiency than the conventional forward converter. Therefore, the switching losses of the proposed forward converter are considerably reduced compared with those of the conventional forward converter. In addition, the reset winding is not used because of the capacitor employed in the auxiliary circuit. The auxiliary capacitor is adopted for zero-current-transition operation and for dissipating magnetization energy. The performance of the proposed forward converter is validated using experimental results from a 60 W, single-output, forward converter prototype, and design guidelines are presented.

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References

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