Proceedings of the KIPE Conference (전력전자학회:학술대회논문집)

The Korean Institute of Power Electronics (전력전자학회)
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Solar Comparative Analysis of Various MPPT Algorithms

태양광 최대전력추종 제어알고리즘 성능 비교 분석

  • Shim, Jae-Hwe (Dept. of Embedded SW, Kwangwoon University) ;
  • Kang, San (Dept. of Embedded SW, Kwangwoon University) ;
  • Kim, Shin-Ah (Dept. of Embedded SW, Kwangwoon University) ;
  • Hong, Ki-Nam (Dept. of Embedded SW, Kwangwoon University) ;
  • Choi, Ju-Yeop (Dept. of Electrical Engineering, Kwangwoon University)
  • 심재휘 (광운대학교 임베디드SW과) ;
  • 강산 (광운대학교 임베디드SW과) ;
  • 김신아 (광운대학교 임베디드SW과) ;
  • 홍기남 (광운대학교 임베디드SW과) ;
  • 최주엽 (광운대학교 전기공학과)
  • Published : 2010.07.06
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Abstract

As the maximum power operating point(MPOP) of photovoltaic(PV) power systems alters with changing atmospheric conditions, the efficiency of maximum power point tracking(MPPT) is important in PV power systems. Moreover, grid-connected PV system occurs some problems such as voltage inequality and harmonics. Therefore, this paper presents the results of a grid-connected PV system modeling by PSIM simulator and investigates the influence on the grid-connected PV system from aspect of power quality, i.e. voltage drop. This paper includes four MPPT algorithms; Perturbation & Observation(P&O), Improved P&O, Increment Conductance(Incond), Hysterisis simulated with irradiation changing.

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