Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Soft-switching buck inverter

  • Xu, Wei (School of Automation, Northwestern Polytechnical University) ;
  • Wu, Xiaohua (School of Automation, Northwestern Polytechnical University) ;
  • Hong, Feng (College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics)
  • Received : 2020.03.24
  • Accepted : 2020.10.21
  • Published : 2021.01.20
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Abstract

The soft-switching buck inverter, which is mainly applied to solve the contradictions between the switching frequency and the shoot-through problem along with the dead-time effect, is proposed in this paper. A detailed analysis of the relationship between the range of the duty ratio to realize soft-switching as well as the additional voltage stress and the current stress is conducted. In addition, a 1 kW prototype is designed and established. Results of simulations and experiments verify the validity of the theoretical analysis. Furthermore, the proposed soft-switching buck inverter has a strong practical significance in situations where medium and high power outputs are required.

Keywords

References

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