Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Digital Control of a Power Factor Correction Boost Rectifier Using Diode Current Sensing Technique

  • Shin, Jong-Won (Department of Electrical Engineering, Seoul National University) ;
  • Hyeon, Byeong-Cheol (Department of Electrical Engineering, Seoul National University) ;
  • Cho, Bo-Hyung (Department of Electrical Engineering, Seoul National University)
  • Published : 2009.11.20
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Abstract

In this paper, a digital average current mode control using diode current sensing technique is proposed. Although the conventional inductor current sensing technique is widely used, the sensed signal of the current is negative. As a result, it requires an additional circuit to be applied to general digital controller ICs. The proposed diode current sensing method not only minimizes the peripheral circuit around the digital IC but also consumes less power to sense current information than the inductor current sensing method. The feasibility of the proposed technique is verified by experiments using a 500W power factor correction (PFC) boost rectifier.

Keywords

References

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