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Soft-switching buck inverter

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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.

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Authors and Affiliations

  1. School of Automation, Northwestern Polytechnical University, Xian, China

    Wei Xu & Xiaohua Wu

  2. College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China

    Feng Hong

Authors
  1. Wei Xu
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  2. Xiaohua Wu
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  3. Feng Hong
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Correspondence to Feng Hong.

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Xu, W., Wu, X. & Hong, F. Soft-switching buck inverter. J. Power Electron. 21, 113–125 (2021). https://doi.org/10.1007/s43236-020-00175-8

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  • DOI: https://doi.org/10.1007/s43236-020-00175-8

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