The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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High Performance Current Control Algorithm Based on Virtual DQ Synchronous Reference Frame for Single-Phase Boost PFC Converter

단상 부스트 PFC 컨버터용 가상 DQ 동기좌표계 기반 고성능 전류제어 알고리즘

  • Kim, Hyun-Geun (Dept. of Electrical Eng, Incheon National University) ;
  • Jin, Seong-Min (Dept. of Electrical Eng, Incheon National University) ;
  • Lee, Sang-Hee (Dept. of Electrical Eng, Incheon National University) ;
  • Lee, Su-Hyoung (Dept. of Electrical Eng, Incheon National University) ;
  • Kim, Joohn-Sheok (Dept. of Electrical Eng., Incheon National University)
  • Received : 2017.10.11
  • Accepted : 2017.10.23
  • Published : 2017.12.20
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Abstract

This study proposes a high-performance current control algorithm for a diode-bridge-type single-phase boost power factor correction (PFC) converter. The conventional asynchronous single-phase current controllers that directly control AC-type current tend to be accompanied by steady-state errors due to their poor dynamic characteristics for the transient-state, which can be attributed to bandwidth limitations and phase delays. In the proposed algorithm, an ideal current control with minimal phase delays and steady-state errors can be achieved by using a virtual DQ synchronous reference frame and by controlling the synchronous reference frame excluding the frequency component in the single-phase system. The performance of the conventional asynchronous single-phase current controller is compared with that of the proposed algorithm through simulation and experiments, and the results have confirmed the superiority of the latter.

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References

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