Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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Power Quality Control of Wind/Diesel Hybrid Power Systems Using Fuzzy PI Controller

퍼지 PI 제어기를 이용한 풍력/디젤 하이브리드 발전시스템의 품질제어

  • Yang, Su-Hyung (Multidisciplinary Graduate School Program for Wind Energy, Jeju National University) ;
  • Ko, Jung-Min (Multidisciplinary Graduate School Program for Wind Energy, Jeju National University) ;
  • Boo, Chang-Jin (Department of Electrical Engineering, Juju National University) ;
  • Kang, Min-Jae (Department of Electronic Engineering, Jeju National University) ;
  • Kim, Jeong-Uk (Department of Energy Grid, Sangmyung University) ;
  • Kim, Ho-Chan (Department of Electrical Engineering, Juju National University)
  • 양수형 (제주대학교 풍력특성화 협동과정) ;
  • 고정민 (제주대학교 풍력특성화 협동과정) ;
  • 부창진 (제주대학교 전기공학과) ;
  • 강민제 (제주대학교 전자공학과) ;
  • 김정욱 (상명대학교 에너지그리드학과) ;
  • 김호찬 (제주대학교 전기공학과)
  • Received : 2012.05.30
  • Accepted : 2012.09.17
  • Published : 2012.10.30
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Abstract

This paper proposes a modeling and controller design approach for a wind-diesel hybrid system including dump load. Wind turbine depends on nature such as wind speed. It causes power fluctuations of wind turbine. Excessive power fluctuation at stand-alone power grid is even worse than large-scale power grid. The proposed control scheme for power quality is fuzzy PI controller. This controller has advantages of PI and fuzzy controller. The proposed model is carried out by using Matlab/Simulink simulation program. In the simulation study, the proposed controller is compared with a conventional PI controller. Simulation results show that the proposed controller is more effective against disturbances caused by wind speed and load variation than the PI controller, and thus it contributes to a better quality wind-diesel hybrid power system.

Keywords

References

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