태양광 모듈의 미스매치를 고려한 새로운 최대전력 추종제어 알고리즘 연구
A Novel Maximum Power Point Tracking Algorithm Considering the partially shaded in PV generating system
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초록
The maximum power point tracking(MPPT) is important part pf PV generating system, because of nonlinear characteristic of PV array. Many MPPT algorithms have been developed and proposed, but partially shaded in PV generating system, these algorithms can not track maximum power point. This paper explains the partially shaded conditions in the PV generating system and describes a novel new MPPT algorithm. To verify the proposed novel algorithm, PSIM simulation tool is used in this paper, and proper 3kW PV module modeling is made. As a result, the right maximum power point(MPP) of PV PCS can be tracked directly under shading effect for any mismatched condition in solar array.
Abstract
The maximum power point tracking(MPPT) is important part pf PV generating system, because of nonlinear characteristic of PV array. Many MPPT algorithms have been developed and proposed, but partially shaded in PV generating system, these algorithms can not track maximum power point. This paper explains the partially shaded conditions in the PV generating system and describes a novel new MPPT algorithm. To verify the proposed novel algorithm, PSIM simulation tool is used in this paper, and proper 3kW PV module modeling is made. As a result, the right maximum power point(MPP) of PV PCS can be tracked directly under shading effect for any mismatched condition in solar array.
참고문헌 (5)
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- N.D. Kaushika, "An investigation of mismatch losses in solar photovoltaic cell networks", Energy, 32, pp.755~759 (2007)
- C. R. Sullivan, "A high-efficiency maximum power point tracker for photovoltaic array in a solar-powered race vehicle", Proceedings of the IEEE, pp.574~580 (1993)
- Hussein, K.H, "Maximum photovoltaic power tracking: an algorithm for rapidly changing atmospheric conditions", IEE Proceedings, 142(1), pp.59~64 (1995)