Noise Reduction of Common-Source Type Active-Clamped DC-DC Converters

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  • Li Ge
    Department of Electrical and Electronic Systems Engineering, Kyushu University
  • Ninomiya Tamotsu
    Department of Electrical and Electronic Systems Engineering, Kyushu University
  • Shoyama Masahito
    Department of Electrical and Electronic Systems Engineering, Kyushu University

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Other Title
  • コモンソース形アクティブクランプ回路を用いたＤＣ－ＤＣコンバータのノイズ低減法
  • コモンソースガタ アクティブクランプ カイロ オ モチイタ DC DC コンバータ ノ ノイズ テイゲンポウ

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Description

Several topologies of active-clamped DC-DC converters have been proposed before. This paper compares the common-mode noise properties of the conventional type using a pulse transormer for a gate driver and the common-source type proposed recently. Using a noise measuring system composed of LISN (Line Impedance Stabilization Network) and EMSCAN (Electromagnetic Scanning System), it was clarified that the common-source type has the superiority on noise reduction to the conventional one.

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