태양광 발전시스템의 MPPT 알고리즘 분석
Analysis of various MPPT algorithms for PCS
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초록
Since the maximum power operating point(MPOP) of PCS alters with changing atmospheric conditions, temperature conditions, shadow conditions, it is important to operate for PCS to keep maximum power point tracking(MPPT) continuously. This paper presents the results of modeling PV system by PSIM simulator and investigates the influence on the PV system from aspect of power quality, i.e. voltage drop. This paper investigates four MPPT algorithms; Perturbation & Observation(P&O), Improved P&O, Incremental Conductance(Incond), Differential coefficient method simulated with irradiation, temperature change, and shadow conditions.
Abstract
Since the maximum power operating point(MPOP) of PCS alters with changing atmospheric conditions, temperature conditions, shadow conditions, it is important to operate for PCS to keep maximum power point tracking(MPPT) continuously. This paper presents the results of modeling PV system by PSIM simulator and investigates the influence on the PV system from aspect of power quality, i.e. voltage drop. This paper investigates four MPPT algorithms; Perturbation & Observation(P&O), Improved P&O, Incremental Conductance(Incond), Differential coefficient method simulated with irradiation, temperature change, and shadow conditions.
참고문헌 (4)
- 이경수, "태양광 시스템에서의 새로운 MPPT 알고리즘 제안", 전력전자학술대회, pp.21~28 (2003)
- 김의종, "그림자 영향과 태양광 어레이 구조에 따른 최대발생전력 비교 해석 및 실험", 한국태양에너지학회 논문집, 29(2), pp.8~13 (2009), 한국태양에너지학회
- 정영석, "P&O 알고리즘을 개선한 새로운 MPPT 알고리즘", 전력전자학술대회 논문집, pp.925~928 (2003)
- Hiren Patel, "MATLAB-Based Modeling to Study the Effects of Partial Shading on PV Array Characteristics", IEE TRANSACTIONS ON ENERGY CONVERSION, pp.302~310 (2008)