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Buck-type Single-switch Integrated Power Factor Correction Converter
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Ya WEN, Yuyang WAN, Xueshan LIU, Jianqiao XIAO, Haidong WANG
Journal of Power Supply | 2024, 22(1) : 49 - 56
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Journal of Power Supply | 2024, 22(1): 49-56
• AC-DC Converters •
Buck-type Single-switch Integrated Power Factor Correction Converter
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Ya WEN, Yuyang WAN, Xueshan LIU, Jianqiao XIAO, Haidong WANG
Affiliations
  • College of Electrical Engineering Sichuan University Chengdu 610065 China
Published: 2024-01-30 doi: 10.13234/j.issn.2095-2805.2024.1.49
Outline
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The conventional Buck-type power factor correction (PFC) converter has a disadvantage of high harmonic current, which limits its applications. A Buck-type single-switch integrated PFC converter is proposed and analyzed. This converter is composed of a Buck-type PFC converter and a Buck-Boost PFC converter, and they are integrated by only one active switch, thereby simplifying the control. Under the constant on time (COT) control, the dead zone of input current in the Buck-type PFC converter is eliminated. With advantages of Buck and Buck-Boost converters, this converter can achieve a high power factor and a high efficiency in universal-input applications. The circuit structure, working principle, steady-state characteristics and design considerations of the proposed converter are introduced and analyzed. Finally, a 56 W prototype was built, and experimental results verified the analysis results.

Power factor correction (PFC)  /  current harmonics  /  Buck-type PFC converter  /  integrated
Ya WEN, Yuyang WAN, Xueshan LIU, Jianqiao XIAO, Haidong WANG. Buck-type Single-switch Integrated Power Factor Correction Converter[J]. Journal of Power Supply, 2024 , 22 (1) : 49 -56 . DOI: 10.13234/j.issn.2095-2805.2024.1.49
Funding
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  • Sichuan Regional Innovation Cooperation Project(2021YFQ0006)
  • Special Fund for Cooperation of Sichuan University and Zigong City(2019CDZG-14)
Appendix
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Year 2024 volume 22 Issue 1
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342
144
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.1.49
  • Receive Date：2021-01-26
  • Online Date：2025-07-21
  • Published：2024-01-30
Article Data
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History
  • Received：2021-01-26
  • Revised：2021-06-02
  • Accepted：2021-06-15
Funding
Sichuan Regional Innovation Cooperation Project(2021YFQ0006)
Special Fund for Cooperation of Sichuan University and Zigong City(2019CDZG-14)
Affiliations
    College of Electrical Engineering Sichuan University Chengdu 610065 China
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