Dynamic Output-Feedback Decentralized Control Synthesis for Integration of Distributed Energy Resources in AC Microgrids

Perez-Ibacache, Ricardo; Castro, Rafael S.; Araujo Pimentel, Guilherme; Bizzo, Bruno Salgado

doi:10.1109/TSG.2021.3124859

Article (Scientific journals)

Dynamic Output-Feedback Decentralized Control Synthesis for Integration of Distributed Energy Resources in AC Microgrids

Perez-Ibacache, Ricardo; Castro, Rafael S.; Araujo Pimentel, Guilherme et al.

2022 • In IEEE Transactions on Smart Grid, 13 (2), p. 1225 - 1237

Peer Reviewed verified by ORBi

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https://hdl.handle.net/20.500.12907/44013

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10.1109/TSG.2021.3124859

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Keywords :

Linear matrix inequalities; multivariable robust control; primary control of microgrids; voltage and frequency regulation; Control design; Frequency regulations; Linear matrix in equalities; Microgrid; Power systems stability; Primary control; Primary control of microgrid; Stability criterions; Voltage and frequency regulation.; Computer Science (all); General Computer Science

Abstract :

[en] This work proposes a control design procedure based on Linear Matrix Inequalities (LMI) for integrating Distributed Energy Resources (DERs) in microgrid systems. Each DER uses local measurements as feedback, so this proposal results in a method to design a decentralized primary control. The dynamic model employed to synthesize such a controller presents an unmeasured state vector, model uncertainties, and random disturbances. To simultaneously deal with all these difficulties while ensuring the closed-loop stability and multiple performance specifications, this work is formulated in terms of a single Lyapunov function. To find this Lyapunov function and synthesize the controller gains, a convex optimization problem that involves LMIs is required to be solved. The controller results in a linear discrete-time output-feedback form, facilitating its implementation. The time-domain simulation of a microgrid system is performed in the software PSCAD/EMTDC with four DERs to validate the control design procedure's effectiveness.

Disciplines :

Energy

Author, co-author :

Perez-Ibacache, Ricardo ; Department of Engineering, Andes Volt Industrial, Valdivia, Chile

Castro, Rafael S. ; School of Technology, Pontifical Catholic University of Rio Grande Do Sul, Porto Alegre, Brazil

Araujo Pimentel, Guilherme ; Université de Mons - UMONS > Faculté Polytechnique > Service Systèmes, Estimation, Commande et Optimisation ; Université de Mons - UMONS > Faculté Polytechnique > Service Systèmes, Estimation, Commande et Optimisation

Bizzo, Bruno Salgado ; School of Technology, Pontifical Catholic University of Rio Grande Do Sul, Porto Alegre, Brazil

Language :

English

Title :

Dynamic Output-Feedback Decentralized Control Synthesis for Integration of Distributed Energy Resources in AC Microgrids

Publication date :

March 2022

Journal title :

IEEE Transactions on Smart Grid

ISSN :

1949-3053

Publisher :

Institute of Electrical and Electronics Engineers Inc.

Volume :

Issue :

Pages :

1225 - 1237

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://xplorestaging.ieee.org/ielx7/5165411/9717983/09598879.pdf?arnumber=9598879

Research institute :

Research Institute for Energy

Funders :

Coordenaҫão de Aperfeiҫoamento de Pessoal de Nível Superior (CAPES), Brazil

Funding text :

This work was supported by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), Brazil—Finance Code 001.

Available on ORBi UMONS :

since 20 December 2022

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