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July 11, 2026International Journal of Circuit Theory and Applications

A Novel Ultra‐High Gain Quadratic DC–DC Converter Based on Improved Sepic Structure

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Authors

YXYuzhen XuFuzhou UniversityWWWeixuan WuFuzhou UniversityYCYin ChenFuzhou University

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Implication

Randomized trial demonstrates enhanced voltage gain in DC–DC converters, suggesting viability for renewable energy integration.

Key Points

  • This study aims to develop a high-gain quadratic DC–DC converter that optimizes energy conversion efficiency.
  • Proposed a design integrating a voltage multiplier cell and coupled inductor.
  • Conducted steady-state analysis and parameter design for performance evaluation.
  • Validated the design through a 200 W experimental prototype achieving an output of 400 V.
  • Achieved a peak full-load efficiency of 95.41%.
  • Demonstrated significantly enhanced voltage gain while maintaining low voltage stress on components.
  • Incorporated passive clamping circuits that effectively suppressed voltage spikes.

Cite This Study

Xu et al. (2026) studied this question.

synapsesocial.com/papers/6a51e0f5c18d7f28ca500ff4https://doi.org/10.1002/cta.70544
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