Robust nonlinear distributed controller design for active and reactive power sharing in islanded microgrids

Mahmud,MA, Hossain,MJ, Pota,HR and Oo,AMT 2014, Robust nonlinear distributed controller design for active and reactive power sharing in islanded microgrids, IEEE transactions on energy conversion, vol. 29, no. 4, pp. 893-903, doi: 10.1109/TEC.2014.2362763.

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Title Robust nonlinear distributed controller design for active and reactive power sharing in islanded microgrids
Author(s) Mahmud,MAORCID iD for Mahmud,MA
Journal name IEEE transactions on energy conversion
Volume number 29
Issue number 4
Start page 893
End page 903
Publisher Institute of Electrical and Electronics Engineers
Place of publication Piscataway, NJ
Publication date 2014-12
ISSN 0885-8969
Keyword(s) Distributed controller
graph theory
partial feedback linearization
uncertainty modeling
Science & Technology
Energy & Fuels
Engineering, Electrical & Electronic
Summary This paper presents a robust nonlinear distributed controller design for islanded operation of microgrids in order to maintain active and reactive power balance. In this paper, microgrids are considered as inverter-dominated networks integrated with renewable energy sources (RESs) and battery energy storage systems (BESSs), where solar photovoltaic generators act as RESs and plug-in hybrid electric vehicles as BESSs to supply power into the grid. The proposed controller is designed by using partial feedback linearization and the robustness of this control scheme is ensured by considering structured uncertainties within the RESs and BESSs. An approach for modeling the uncertainties through the satisfaction of matching conditions is also provided in this paper. The proposed distributed control scheme requires information from local and neighboring generators to communicate with each other and the communication among RESs, BESSs, and control centers is developed by using the concept of the graph theory. Finally, the performance of the proposed robust controller is demonstrated on a test microgrid and simulation results indicate the superiority of the proposed scheme under different operating conditions as compared to a linear-quadratic-regulator-based controller.
Language eng
DOI 10.1109/TEC.2014.2362763
Field of Research 090608 Renewable Power and Energy Systems Engineering (excl Solar Cells)
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, IEEE
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