Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- summer
- /
- Pages.1471-1473
- /
- 2004
Comparison and analysis of the MPPT algorithms in transformerless grid-connected PV PCS
변압기 없는 계통연계형 PV PCS에서의 MPPT 제어기법 비교 분석
- Lee Kyungsoo (Chungbuk National University) ;
- Jung Youngseck (Korea Institute of Energy Research) ;
-
So Junghoon
(Korea Institute of Energy Research)
;
-
Yu Gwonjong
(Korea Institute of Energy Research)
;
- Choi Jaeho (Chungbuk National University)
- 이경수 (충북대학교 전력전자연구실) ;
- 정영석 (한국에너지기술연구원 태양광연구센터) ;
-
소정훈
(한국에너지기술연구원 태양광연구센터)
;
-
유권종
(한국에너지기술연구원 태양광연구센터)
;
- 최재호 (충북대학교 전력전자연구실)
- Published : 2004.07.14
Abstract
Maximum power point tracking(MPPT) is used in photovoltaic(PV) systems to maximize the photovoltaic array output power, irrespective of the temperature and irradiation conditions. The object of this paper is to compare and analyze MPPT efficiency for different MPPT techniques by changing irradiance. Also, this paper introduces transformerless grid-connected inverter. Simple flow charts and characteristics of each MPPT algorithm are shown. The implementation of transformerless grid-connected inveter system was based on a digital signal processor(DSP). Simulation was carried out for each MPPT method.
Keywords