The Transactions of the Korean Institute of Electrical Engineers P (전기학회논문지P)

The Korean Institute of Electrical Engineers (대한전기학회)
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Control of a Bridgeless PFC with the Discontinuous Conduction Mode

불연속전도모드를 갖는 브리지리스 PFC의 제어

  • La, Jae-Du (Dept. of Electrical Information, Inha Technical College) ;
  • Lee, Yong-Geun (Dept. of Electrical Information, Inha Technical College)
  • Received : 2014.10.21
  • Accepted : 2014.11.24
  • Published : 2014.12.01
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Abstract

Generally, power factor correction (PFC) techniques play an important role in the power supply technology. Many new circuit topologies and control strategies for PFC have been proposed. Among them, the brideless PFC (BPFC) reduces the number of switching devices and the losses and improves the power density as well. Moreover, by implementing the improved topology in the discontinous conduction mode (DCM) it ensures almost unity power factor in a simple and effective manner. In the DCM operation gives additional advantages such as zero-current turn-on in the power switches, zero-current turn-off in the output diode and reduces the complexity of the control circuitry. In this paper, a new control strategy for the BPFC is proposed. Also, the performance of the proposed system is demonstrated through experiments.

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References

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