Journal of the Semiconductor & Display Technology (반도체디스플레이기술학회지)

The Korean Society Of Semiconductor & Display Technology (한국반도체디스플레이기술학회)
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A Study on the Internal Loss and Efficiency Analysis by Loss Factors in PFC Switching Rectifier

PFC 스위칭 정류기에서 손실인자에 의한 내부손실과 효율분석에 관한 연구

  • Tae Young Ahn (Department of Electrical & Control Engineering, Cheongju University)
  • 안태영 (청주대학교 전기제어공학과)
  • Received : 2024.05.23
  • Accepted : 2024.06.21
  • Published : 2024.06.30
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Abstract

In this paper, we propose a theoretical method to systematically analyze the power conversion efficiency of a single-phase PFC switching rectifier. Boost-type PFC was organized in order of highest correlation with load current using steady-state analysis results and introduced the concept of loss factor. The loss factors for each major element are summarized and presented in a table. This paper makes it easier to understand the internal loss and power conversion efficiency of the rectifier for loss factors. Lastly, to confirm the validity of the efficiency analysis results reflecting the loss factors, loss and efficiency analysis of the 2.5kW PFC rectifier was performed. The results were compared with data from a 2.5kW PFC circuit for evaluation. As a result, the usefulness of power conversion efficiency analysis reflecting the loss factors proposed in this paper was confirmed.

Keywords

Acknowledgement

이 연구는 2024년도 산업통상자원부 및 산업기술평가관리원 (KEIT) 연구비 지원에 의한 연구임(20018577).

References

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