Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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A Novel Control Strategy for a Three-Phase Rectifier with High Power Factor and Stable Output Voltage

  • Lee, Hong-Hee (School of Electrical Engineering, University of Ulsan) ;
  • Phan, Van-Tung (School of Electrical Engineering, University of Ulsan) ;
  • Sergey, Brovanov (Dept. of Power Electronics, Novosibirsk State Technical University) ;
  • Chun, Tae-Won (School of Electrical Engineering, University of Ulsan)
  • Published : 2007.07.20
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Abstract

In this paper, a proposed approach to improve the power factor of three-phase rectifiers and to stabilize the output voltage against load change is presented. The elements of the given control strategy are small size, low cost, high performance, and simplicity. The proposed control strategy of switches is based on a prototype of three bi-directional switched consisting of four diodes and one IGBT. A control technique and operational procedure are also developed, both theoretically and experimentally. The experimental results clearly verify the theoretical analysis from the prototype connected to grid unity.

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References

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