An Active Partial Switching Method in Tertiary Loop for a High-Efficiency Predictive Current-Mode Control PFC Converter

Yeong Jun Choi, Tae Jin Kim, Rae-Young Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper proposes a novel active partial switching method for a boost power factor correction (PFC) converter, based on the predictive current mode control to achieve both current shaping capability and high power conversion efficiency. This method consists of a controller that maintains a switching stop angle near the peak voltage of the input voltage by means of output voltage control, and an adaptive current shaper that adjusts the switching stop period near the zero voltage of the input voltage based upon the load condition. The proposed method shows good PFC performance and high efficiency even under various disturbances such as input voltage and load fluctuations. Moreover, it has the advantage that it is possible to achieve high efficiency even under conditions of output voltage exceeding the peak value of the input voltage. For sequential explanation, this paper illustrates the design of the controller based on the frequency-domain response and provides theoretical analysis of the proposed method. Finally, to verify the effectiveness of the proposed method, experimental results are presented based upon a 2.4 kW boost PFC converter prototype.

Original languageEnglish
Pages (from-to)7818-7828
Number of pages11
JournalIEEE Transactions on Industrial Electronics
Volume65
Issue number10
DOIs
StatePublished - 2018 Oct 1

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Power control
Electric potential
Controllers
Voltage control
Conversion efficiency

Keywords

  • Boost power factor correction (PFC) converter
  • efficiency improvement
  • partial switching
  • predictive current mode control PFC

Cite this

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An Active Partial Switching Method in Tertiary Loop for a High-Efficiency Predictive Current-Mode Control PFC Converter. / Choi, Yeong Jun; Kim, Tae Jin; Kim, Rae-Young.

In: IEEE Transactions on Industrial Electronics, Vol. 65, No. 10, 01.10.2018, p. 7818-7828.

Research output: Contribution to journalArticle

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N2 - This paper proposes a novel active partial switching method for a boost power factor correction (PFC) converter, based on the predictive current mode control to achieve both current shaping capability and high power conversion efficiency. This method consists of a controller that maintains a switching stop angle near the peak voltage of the input voltage by means of output voltage control, and an adaptive current shaper that adjusts the switching stop period near the zero voltage of the input voltage based upon the load condition. The proposed method shows good PFC performance and high efficiency even under various disturbances such as input voltage and load fluctuations. Moreover, it has the advantage that it is possible to achieve high efficiency even under conditions of output voltage exceeding the peak value of the input voltage. For sequential explanation, this paper illustrates the design of the controller based on the frequency-domain response and provides theoretical analysis of the proposed method. Finally, to verify the effectiveness of the proposed method, experimental results are presented based upon a 2.4 kW boost PFC converter prototype.

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