Journal of the Semiconductor & Display Technology (반도체디스플레이기술학회지)

The Korean Society Of Semiconductor & Display Technology (한국반도체디스플레이기술학회)
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Improved Model for Maximum Power Point Tracking (MPPT) of Solar System

태양광 시스템의 최대 전력지점 추적(MPPT) 정확도 향상을 위한 모델링

  • Lee, YoungHyun (Department of System Semiconductor Engineering, Sangmyung University) ;
  • Lee, Jonghwan (Department of System Semiconductor Engineering, Sangmyung University)
  • 이영현 (상명대학교 시스템반도체공학과) ;
  • 이종환 (상명대학교 시스템반도체공학과)
  • Received : 2022.03.10
  • Accepted : 2022.03.25
  • Published : 2022.03.31
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Abstract

The photovoltaic system is affected by various conditions such as temperature and irradiance. Because non-uniform irradiation and partial shading conditions affect the entire string of cells connected in series, a bypass diode is used to bypass the current flow normally. In order to find the maximum power point in partial shade conditions, it is necessary to estimate various methods of maximum power point tracking. In this paper, the hybrid method of MPPT using Lambert W function and perturbation & observation algorithm is proposed under partial shading conditions. The simulation results are obtained using MATLAB/Simulink and shows the improvement of the accuracy of MPPT.

Keywords

Acknowledgement

This work was supported by the International Science & Business Belt support program, through the Korea Innovation Foundation funded by the Ministry of Science and ICT.

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