Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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A Novel Maximum Power Point Tracking Algorithm Considering the partially shaded in PV generating system

태양광 모듈의 미스매치를 고려한 새로운 최대전력 추종제어 알고리즘 연구

  • Shim, Jae-Hwe (Dept. of Embedded Software, Kwangwoon University) ;
  • Choi, Ju-Yeop (Dept. of Electrical Engineering, Kwangwoon University) ;
  • Choy, Ick (Dept. of Embedded Software, Kwangwoon University) ;
  • Lee, Sang-Cheol (Daegu Gyeongbuk Institute of Science & Technology) ;
  • Lee, Dong-Ha (Daegu Gyeongbuk Institute of Science & Technology)
  • 심재휘 (광운대학교 임베디드 소프트웨어공학) ;
  • 최주엽 (광운대학교 전기공학과) ;
  • 최익 (광운대학교 임베디드 소프트웨어공학) ;
  • 이상철 (대구경북과학기술원) ;
  • 이동하 (대구경북과학기술원)
  • Received : 2012.05.07
  • Accepted : 2012.06.30
  • Published : 2012.06.30
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Abstract

The maximum power point tracking(MPPT) is important part pf PV generating system, because of nonlinear characteristic of PV array. Many MPPT algorithms have been developed and proposed, but partially shaded in PV generating system, these algorithms can not track maximum power point. This paper explains the partially shaded conditions in the PV generating system and describes a novel new MPPT algorithm. To verify the proposed novel algorithm, PSIM simulation tool is used in this paper, and proper 3kW PV module modeling is made. As a result, the right maximum power point(11PP) of PV PCS can be tracked directly under shading effect for any mismatched condition in solar array.

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References

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