Research of Maximum Power Point Tracking Based on Self-Tuning Fuzzy PID Control in PV Grid-Connected Generation System

Yu Xia; Xiao Lin Luo; Wei Sheng Shi

doi:10.4028/www.scientific.net/AMR.1092-1093.63

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1092-1093Research of Maximum Power Point Tracking Based on...

Research of Maximum Power Point Tracking Based on Self-Tuning Fuzzy PID Control in PV Grid-Connected Generation System

Abstract:

In order to improve working efficiency of photovoltaic (PV) system and decrease outputs fluctuation. A method of maximum power point tracking (MPPT) based on self-tuning fuzzy PID control is proposed. Based on analysis of typical PV cell characteristics, a combination of PID control and fuzzy control is proposed according to the shortage of perturbation and observation (P&O) method. The model of PV grid-connected system was established and simulated in Matlab. Results show that the method tracks changes of external solar intensity rapidly and accurately, and it makes PV system work with good dynamic and static performance. Besides, viewpoint that the higher of solar intensity, the more instability in the output parameters of PV cell is proposed.

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Periodical:

Advanced Materials Research (Volumes 1092-1093)

Pages:

63-66

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1092-1093.63

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Online since:

March 2015

Authors:

Yu Xia, Xiao Lin Luo, Wei Sheng Shi*

Keywords:

Maximum Power Point Tracking, Observation Method, Perturbation Method, Photovoltaic Generation System, Self-Tuning Fuzzy PID Control

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* - Corresponding Author

References

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