The Improved Optimal Gradient PV MPPT Control Algorithm

Zheng Zhong Gao; Li Na Zhao; Xing Zheng Bai; Jin Jian Guo; Li Zhi Wang

doi:10.4028/www.scientific.net/AMR.1049-1050.557

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1049-1050The Improved Optimal Gradient PV MPPT Control...

The Improved Optimal Gradient PV MPPT Control Algorithm

Abstract:

Against the problem that the existing MPPT control algorithms of PV array have difficulties to balance both of the control accuracy and searching speed, this article presents a golden ratio optimal gradient MPPT algorithm based on the traditional optimal gradient MPPT control algorithm. The algorithm is an optimal gradient control algorithm of variable step size, it has an advantage over the traditional fixed step optimal gradient algorithms on tracking the maximum power point. The experimental results show its superiority in the searching speed and control accuracy by modeling and simulation on PSCAD.

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Periodical:

Advanced Materials Research (Volumes 1049-1050)

Pages:

557-561

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1049-1050.557

Citation:

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Online since:

October 2014

Authors:

Zheng Zhong Gao, Li Na Zhao*, Xing Zheng Bai, Jin Jian Guo, Li Zhi Wang

Keywords:

Golden Ratio, MPPT, Optimal Gradient Control Algorithm, PSCAD

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* - Corresponding Author

References

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