μ-Synthesis Control of Photovoltaic System

Zi Heng Yin; Peng Li

doi:10.4028/www.scientific.net/AMM.494-495.1706

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 494-495μ-Synthesis Control of Photovoltaic System

μ-Synthesis Control of Photovoltaic System

Abstract:

Traditional control methods are usually difficult to achieve a good compromise between nominal performance and robust performance, in order to improve the flexibility and robustness of the PV power grid-connection system without affecting its nominal performance, aiming at the effect on flexible PV power grid-connection by component parameter perturbation, a μ-synthesis robust control method of flexible grid-connection of photovoltaic power based on model matching is proposed. Model matching problem including the actual controlled objects like inverters, is transformed into a generalized system with uncertainty block being abstracted, thus further is attributed to a structured uncertainty problem, which can be solved by DK iteration. The μ-analysis and simulation results show that the designed μ-synthesis controller, makes the robust performance of the closed-loop system satisfied, and advantages are especially more obvious in the case of system component parameter perturbation.

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Periodical:

Applied Mechanics and Materials (Volumes 494-495)

Pages:

1706-1709

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.494-495.1706

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Online since:

February 2014

Authors:

Zi Heng Yin*, Peng Li

Keywords:

Grid-Connection, Model Matching, Parameter Perturbation, Photovoltaic Generation, μ-Synthesis

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* - Corresponding Author

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