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Maximum Power Point Tracking using Double Fuzzy Logic Controller for Grid-connected Photovoltaic System

PSCAD/EMTDC를 이용한 계통연계형 태양광발전시스템의 MPPT제어를 위한 Double Fuzzy 제어기 설계에 관한 연구

  • 김규한 (부산대 공대 전자전기공학과) ;
  • 김형수 (경남도립남해대학 전기과) ;
  • 박준호 (부산대 전자전기공학과)
  • Received : 2010.12.01
  • Accepted : 2011.02.11
  • Published : 2011.03.01

Abstract

This paper proposes a method of maximum power point tracking (MPPT) using fuzzy logic control for grid-connected photovoltaic systems (PV). First, for the purpose of comparison, because of its proven and good performances, the incremental conductance (IncCond) technique is briefly introduced. A double fuzzy logic controller (DFLC) based MPPT is then proposed which has shown better performances compared to the IncCond MPPT based approach. Modeling and Simulation in grid-connected PV system results are provided for both controllers under same atmospheric condition based PSCAD/EMTDC. The double fuzzy logic MPPT controller is then simulated and evaluated, which has shown better performances.

Keywords

References

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