KIEE International Transaction on Electrical Machinery and Energy Conversion Systems

대한전기학회 (The Korean Institute of Electrical Engineers)
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Boost Type ZVS-PWM Chopper-Fed DC-DC Power Converter with Load-Side Auxiliary Resonant Snubber and Its Performance Evaluations

  • Ogura, Koki (Department of Electrical and Electronic Engineering, The Graduate School of Science and Engineering, Yamaguchi University) ;
  • Chandhaket, Srawouth (Department of Electrical and Electronic Engineering, The Graduate School of Science and Engineering, Yamaguchi University) ;
  • Ahmed, Tarek (Department of Electrical and Electronic Engineering, The Graduate School of Science and Engineering, Yamaguchi University) ;
  • Nakaoka, Mutsuo (Department of Electrical and Electronic Engineering, The Graduate School of Science and Engineering, Yamaguchi University)
  • 발행 : 2003.09.01
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초록

This paper presents a high-frequency boost type ZVS-PWM chopper-fed DC-DC power converter with a single active auxiliary edge-resonant snubber at the load stage which can be designed for power conditioners such as solar photovoltaic generation, fuel cell generation, battery and super capacitor energy storages. Its principle operation in steady-state is described in addition to a prototype setup. The experimental results of boost type ZVS-PWM chopper proposed here, are evaluated and verified with a practical design model in terms of its switching voltage and current waveforms, the switching v-i trajectory and the temperature performance of IGBT module, the actual power conversion efficiency, and the EMI of radiated and conducted emissions, and then discussed and compared with the hard switching scheme from an experimental point of view. Finally, this paper proposes a practical method to suppress parasitic oscillation due to the active auxiliary resonant switch at ZCS turn-off mode transition with the aid of an additional lossless clamping diode loop, and can be reduced the EMI conducted emission.

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참고문헌

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