Journal ArticleDOI
Hierarchical control of droop-controlled DC and AC microgrids — a general approach towards standardization
Josep M. Guerrero,Juan C. Vasquez,Jose Matas,L.G. de Vicuna,Miguel Castilla +4 more
- Vol. 58, Iss: 1, pp 158-172
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TLDR
The hierarchical control derived from ISA-95 and electrical dispatching standards to endow smartness and flexibility to MGs is presented and results are provided to show the feasibility of the proposed approach.Abstract:
DC and AC Microgrids are key elements to integrate renewable and distributed energy resources as well as distributed energy storage systems. In the last years, efforts toward the standardization of these Microgrids have been made. In this sense, this paper present the hierarchical control derived from ISA-95 and electrical dispatching standards to endow smartness and flexibility to microgrids. The hierarchical control proposed consist of three levels: i) the primary control is based on the droop method, including an output impedance virtual loop; ii) the secondary control allows restoring the deviations produced by the primary control; and iii) the tertiary control manage the power flow between the microgrid and the external electrical distribution system. Results from a hierarchical-controlled microgrid are provided to show the feasibility of the proposed approach.read more
Citations
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Journal ArticleDOI
Comparison of Hierarchical Control and Distributed Control for Microgrid
TL;DR: In this paper, a microgrid concept has been widely adopted by power and energy community to boost the resilience and enhance the economics of the energy system, stability control and economic control are two main f...
Proceedings ArticleDOI
A nonlinear disturbance observer based DC bus voltage control for a hybrid AC/DC microgrid
TL;DR: In this article, a nonlinear disturbance observer (NDO) based dc bus voltage control is proposed, which does not need the remote measurement or communication with a true plug-and-play feature.
Journal ArticleDOI
Virtual DC machine: an inertia emulation and control technique for a bidirectional DC–DC converter in a DC microgrid
TL;DR: The proposed concept of a VDCM is basically a control technique for a bidirectional DC-DC converter, which is derived from the theory of the DC machine operation and its speed control technique, and provides a useful way to control the storage devices in microgrid applications.
Journal ArticleDOI
Reactive Power Management of a DFIG Wind System in Microgrids Based on Voltage Sensitivity Analysis
R. Aghatehrani,Rajesh Kavasseri +1 more
TL;DR: In this paper, a voltage sensitivity analysis-based scheme is proposed to achieve voltage regulation at a target bus in such micro-grids, where the target voltage can be of an important central bus, or a bus with sensitive voltage loads.
Journal ArticleDOI
A Decentralized Hierarchical Control Structure and Self-Optimizing Control Strategy for F-P Type DGs in Islanded Microgrids
TL;DR: A decentralized and self-optimizing control strategy is proposed for the frequency-power droop type distributed generators that can make DGs share loads according to the equal incremental principle.
References
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