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온도측정 기반의 최적전압을 이용한 PV 시스템의 TMOV MPPT 제어

TMOV MPPT Control of PV System with Temperature Measurement based Optimal Voltage

  • 고재섭 (순천대학교 전기제어공학과) ;
  • 정동화 (순천대학교 전기제어공학과)
  • Ko, Jae-Sub (Sunchon National Univ., Department of Electric Control Engineering) ;
  • Chung, Dong-Hwa (Sunchon National Univ., Department of Electric Control Engineering)
  • 투고 : 2012.03.02
  • 심사 : 2012.10.24
  • 발행 : 2012.11.30

초록

The characteristics of I-V and P-V of solar cell nonlinearly changes according to irradiation, temperature and load. Therefore, to use efficiently PV system, operating point must be always operating at maximum power point. Also, PV system is semiconductor, so it generates loss by temperature. But because of conventional MPPT methods are not considering temperature, it has problem which decrease efficiency. This paper proposes temperature measurement based optimal voltage(TMOV) MPPT algorithm using temperature measurement based optimal voltage. It analyzes characteristics of solar cell according to irradiation and temperature and conventional MPPT methods. The TMOV control algorithm proposed in this paper is compared and analyzed conventional MPPT methods. The validity of this paper proves using this result.

키워드

참고문헌

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피인용 문헌

  1. Reconfiguration of PV Module Considering the Shadow Influence of Photovoltaic System vol.27, pp.2, 2013, https://doi.org/10.5207/JIEIE.2013.27.2.036