대한전기학회논문지:전기기기및에너지변환시스템부문B (The Transactions of the Korean Institute of Electrical Engineers B)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

저일사강도에서 MPPT를 동작시키기 위한 알고리즘 연구

A Study of MPPT Algorithm for Low Insolation

  • 유권중 (한국에너지기술연구원 태양광발전연구실) ;
  • 정영석 (한국에너지기술연구원 태양광발전연구실) ;
  • 김기현 (한국에너지기술연구원 태양광발전연구실) ;
  • 최주엽 (광운대 전기공학과)
  • 발행 : 2002.03.01
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초록

As is well-known, the maximum power point (MPP) of PV power generation system depends on array temperature and solar insolation, it is necessary to track MPP of solar array all the time. Among various MPP control algorithms, the constant voltage control method, the perturbation and observation (P&O) method and the incremental conductance method (IncCond) have drawn many attractions due to the usefulness of each system. In this parer, the effectiveness of above mentioned three different control algorithms are thoroughly investigated via simulations and preposed efficiency evaluation method on experiment. Both the steady-state and transient characteristics of each control algorithms along with measured efficiency are analyzed, respectively. Finally, a novel MPPT control algorithm combining the constant voltage control and IncCond method for low insolation condition is proposed to improve efficiency of the 3KW PV power generation system.

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참고문헌

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