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An efficient interleaved Boost DC–DC converter with high-voltage gain based on switched capacitor

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Abstract

An interleaved high step-up DC–DC Boost converter is proposed in this paper. The converter applies two auxiliary cells at the input and two switched capacitors to reach high-voltage gain. Due to the interleaved structure and two auxiliary cells which create four paths at the input side, the current ripple and stress decrease significantly. Soft switching condition is obtained without using any auxiliary switch resulting in high efficiency. The converter has a simple control circuit, and it can be operated in a wide range of duty cycles. Operating modes and design procedures are presented in detail with equivalent circuits and relevant equations. The comparison with other similar structures is done to show its superiority.

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Funding

This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors.

Author information

Authors and Affiliations

  1. Department of Electrical Engineering, Central Tehran Branch, Islamic Azad University, Tehran, Iran

    Leila Ahmadi & Shahram Javadi

  2. Department of Electrical Engineering, West Tehran Branch, Islamic Azad University, Tehran, Iran

    Alireza Siadatan

  3. Department of Electrical Engineering, Shahid Beheshti University, G.C., Tehran, Iran

    Ebrahim Afjei

Authors
  1. Leila Ahmadi
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  2. Alireza Siadatan
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  3. Ebrahim Afjei
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  4. Shahram Javadi
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Contributions

All authors have participated in the review of the proposed idea, converter design, circuit construction, and reviewed the manuscript.

Corresponding author

Correspondence to Alireza Siadatan.

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Ethical approval was not sought for the present study because this article does not contain any studies with human or animal subjects.

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Ahmadi, L., Siadatan, A., Afjei, E. et al. An efficient interleaved Boost DC–DC converter with high-voltage gain based on switched capacitor. Electr Eng (2024). https://doi.org/10.1007/s00202-024-02413-9

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