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Robust decentralized voltage control of an islanded microgrid under unbalanced and nonlinear load conditions
Sharif University of Technology.
Sharif University of Technology.
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0002-4210-8672
Sharif University of Technology.
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2013 (English)Conference paper (Refereed)
Abstract [en]

This paper presents a new decentralized control strategy for the islanded operation of a microgrid under unknown load conditions. In the islanded mode of operation, the microgrid should provide the load with a set of regulated balanced three-phase voltages. The load which is parametrically and topologically uncertain can also be unbalanced and/or nonlinear. Thus, the use of conventional control strategies results in the poor performance and even instability of the microgrid system. The proposed method assumes that the load current is a measurable disturbance signal. The robust optimal controlapproaches are used to design a controller to overcome the disturbances resulting from the unknownloads dynamics. The optimization problem is converted to a convex problem and is solved using the linear matrix inequalities (LMIs). The performance of the designed controller is verified using time-domain simulations carried out in PSCAD/EMTDC software.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2013.
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-183159DOI: 10.1109/ICIT.2013.6505953ISI: 000322785200282ScopusID: 2-s2.0-84877622153OAI: diva2:908393
2013 IEEE International Conference on Industrial Technology (ICIT)

QC 20160303

Available from: 2016-03-02 Created: 2016-03-02 Last updated: 2016-03-03Bibliographically approved

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Paridari, Kaveh
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Automatic Control
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