Q
Qobad Shafiee
Researcher at University of Kurdistan
Publications - 96
Citations - 5270
Qobad Shafiee is an academic researcher from University of Kurdistan. The author has contributed to research in topics: Microgrid & Control theory. The author has an hindex of 23, co-authored 87 publications receiving 3727 citations. Previous affiliations of Qobad Shafiee include Aalborg University & University of Texas at Arlington.
Papers
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Journal ArticleDOI
Distributed Secondary Control for Islanded Microgrids—A Novel Approach
TL;DR: In this article, a novel approach to conceive the secondary control in droop-controlled microgrids (MGs) is presented, where a distributed networked control system is used in order to implement a distributed secondary control (DSC), thus avoiding its implementation in MGCC.
Journal ArticleDOI
Secondary Frequency and Voltage Control of Islanded Microgrids via Distributed Averaging
John W. Simpson-Porco,Qobad Shafiee,Florian Dörfler,Juan C. Vasquez,Josep M. Guerrero,Francesco Bullo +5 more
TL;DR: In this paper, a distributed controller for secondary frequency and voltage control in islanded microgrids is proposed, which uses localized information and nearest-neighbor communication to collectively perform secondary control actions.
Journal ArticleDOI
Review on Control of DC Microgrids and Multiple Microgrid Clusters
Lexuan Meng,Qobad Shafiee,Giancarlo Ferrari Trecate,Houshang Karimi,Deepak Fulwani,Xiaonan Lu,Josep M. Guerrero +6 more
TL;DR: In this paper, an extensive review on control schemes and architectures applied to dc microgrids (MGs) is presented, covering multilayer hierarchical control schemes, coordinated control strategies, plug-and-play operations, stability and active damping aspects, as well as nonlinear control algorithms.
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Hierarchical Control for Multiple DC-Microgrids Clusters
TL;DR: This paper presents a distributed hierarchical control framework to ensure reliable operation of dc microgrid (MG) clusters and an adaptive droop method is proposed for this level, which determines droop coefficients according to the state-of-charge of batteries automatically.
Journal ArticleDOI
Droop-Free Distributed Control for AC Microgrids
TL;DR: In this paper, a cooperative distributed secondary/primary control paradigm for AC microgrids is proposed, which replaces the centralized secondary control and the primary-level droop mechanism of each inverter with three separate regulators: voltage, reactive power, and active power regulators.