Publication - State-space Black-box Model Identification of a Voltage-source Converter with LCL Filter - Group of Electronic Engineering Applied to Renewable Energy Systems
 

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Publications Journals

State-space Black-box Model Identification of a Voltage-source Converter with LCL Filter

Research Area: Year: 2012
Type of Publication: In Proceedings
Authors:
Book title: The 3rd International Sumposium on Power Electronics for Distributed Generation Systems
Pages: 550-557
Address: Aalborg, Denmark
Month: Jun 25-28, 2012
Abstract:
The paper proposes a multivariable identification method to identify the discrete state-space model of a grid-connected voltage-source converter and LCL filter. The method is based in one of the so-called subspace identification methods: the N4SID method. That kind of methods are based on the QR and the Singular Values decompositions and works with black-box state-space model structures, which mean particularly flexibility in the choice of the model representation. . The so obtained discrete state-space model of the converter could be used to design directly the control of the system using advanced control techniques as robust control, optimal control, etc.
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