Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Development of a Novel MPPT Algorithm of PV System Considering Radiation Variation

  • Ko, Jae-Sub (Electrical Control Engineering at Sunchon National University) ;
  • Chung, Dong-Hwa (Electrical Control Engineering at Sunchon National University)
  • Received : 2011.04.14
  • Accepted : 2012.04.26
  • Published : 2012.08.31
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Abstract

This paper proposes a novel maximum power point tracking (MPPT) control algorithm considering radiation to improve efficiency of PV system. The proposed algorithm is composed perturb and observe (PO) method and constant voltage (CV) method. PO method is simple to realize and CV method is possible to tracking MPP with low radiation. Response characteristics of proposed algorithm are compared to conventional MPPT algorithm such as PO method, IC method and CV method with radiation variation. This paper proves the validity of proposed algorithm through the analysis results.

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References

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