한국태양에너지학회:학술대회논문집

The Korean Solar Energy Society (한국태양에너지학회)
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Multi-Central System for Large Scale PV Power Generation

대용량 태양광 발전용 멀티센트럴 시스템

  • Park, Jong-Hyoung (Dept. of Electrical Engineering, Graduate School, KyungPook National University) ;
  • Ko, Kwang-Soo (LS Industrial Systems) ;
  • Kim, Heung-Geun (Dept. of Electrical Engineering, KyungPook National University) ;
  • Nho, Eui-Cheol (Dept. of Electrical Engineering, PuKyong National University) ;
  • Chun, Tae-Won (Dept. of Electrical Engineering, University of Ulsan)
  • Published : 2012.03.29
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Abstract

This paper proposes efficient operation method of PV system consisted of multi-central which is suitable for large scale system. The multi-central system used switch at a DC-link and applied proposed algorithm can improve the efficiency and the reliability on the existing system. This algorithm, with advantage of Multi-Central system can minimize the effect of different characteristic of each PV array due to a shadow or damaged PV cell. Each system is analysed and maximum power point tracking control, DC-link voltage control and output current control is used commonly. The validity is verified after comparing of the existing system and proposed system by simulation.

Keywords