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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Design of Photovoltaic System Based on an Improved MPPT Algorithm
verfasst von : Yongcheng Yu, Shuying Cheng
Erschienen in: Advances in Computer, Communication, Control and Automation
Verlag: Springer Berlin Heidelberg
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In this paper an overall circuit of a photovoltaic system is designed. By analyzing the output characteristic of a solar cell, an improved MPPT algorithm on the basis of P&O method is put forward to track the MPP of solar cell modules. The experimental results show that the improved P&O MPPT algorithm has higher efficient compared with the P&O method in the same environment, and the photovoltaic system can keep working at MPP without oscillation and misjudgment. So it can not only reduce misjudgment, but also avoid power loss for constant perturbation around the MPP.