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A Novel Primary-Side Regulation Technique for Active-Clamp Forward Converter

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Authors

Shin, Junho; Shin, Jong-Won

Issue Date
2023
Publisher
Institute of Electrical and Electronics Engineers Inc.
Citation
ICPE 2023-ECCE Asia - 11th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics, pp.472-477
Abstract
This paper proposes a novel primary-side regulation method of an active-clamp forward converter (ACFW) without using tertiary winding. The proposed method offers the tight regulation of output voltage under load fluctuations. The output voltage is estimated by sensing input voltage, input current, and clamp capacitor voltage. A control loop in the primary side is designed by analyzing the effect of the parasitic components to compensate the error of the estimated output voltage. The proposed method does not require any signal isolation or additional winding of transformer to simplify its implementation. The effectiveness of proposed method is verified by experiment by 100-kHz 200-W prototype ACFW.
URI
https://hdl.handle.net/10371/201438
DOI
https://doi.org/10.23919/ICPE2023-ECCEAsia54778.2023.10213533
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  • College of Engineering
  • Department of Electrical and Computer Engineering
Research Area DC-DC and AC-DC power conversion, DC-DC 및 AC-DC 전력변환, converter modeling, high-density, high-frequency power conversion, 고밀도 고주파 전력 변환, 컨버터 모델링

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