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Aiming at photovoltaic (PV)-storage urban building integrated system, this paper proposes a DC microgrid with multi-layer control and smart grid communications. The paper focuses on power …
This paper proposes a novel distributed multi-agent finite-time control strategy with time delays for the state of charge balancing and voltage restoration in a dc microgrid with distributed battery …
In this work, we present a novel consensus-based secondary control scheme for current sharing and voltage balancing in dc microgrids (DCmGs), composed of distributed generation units …
According to the characteristics of AC-DC hybrid microgrid,this paper constructs the optimization model of AC-DC hybrid microgrid w ith considering the cost of carbon emission. By comparing …
This article presents a comprehensive review on the control methods and topologies for the DC microgrids. First, five topologies and equivalent structure diagrams are presented and …
Thus, a modified virtual DC generator control strategy is proposed, which combines the average current controller with the virtual DC generator to enhance current sharing effect. The adaptive …
This paper proposes a comparative energy management study of an isolated direct current micro-grid DCMG, which consists of two primary sources, a photovoltaic PV and wind turbine WT …
This paper presents a review of control strategies, stability analysis, and stabilization techniques for dc microgrids (MGs). Overall control is systematically classified into local and coordinated …
profile‐based control,18 adaptive voltage and current control,23,24 consensus‐based control,25 decentralized control,26 and power filter algorithm‐based control.27 In Xu et al.28 the optimal …
However, a bipolar dc microgrid (BDCMG) demands multiple conventional dc-dc converters to feed power to both the poles of the BDCMG. To handle this requirement and to maintain high …
A microgrid (G) system can be operated in DC or AC modes using suitable power electronics interface which interconnect power generators, loads and energy storage mediums. It can be …
This paper proposes a new topology of a hybrid ac/dc microgrid, where there are multiple subgrids connected to the common bus by bidirectional ac/dc converters (BADCs) and …
Encyclopedia is a user-generated content hub aiming to provide a comprehensive record for scientific developments. All content free to post, read, share and reuse. ... EVs, and …
Second, necessary and sufficient conditions of the DC microgrid are deduced by the Lyapunov direct method, and the load limit of the DC microgrid is obtained under the restriction of …
The increasing penetration of renewable energy in the hybrid AC/DC microgrid (MG) reduces the inertia and further threatens the frequency security. Furthermore, the stochastic and …
Recent years have seen a surge in interest in DC microgrids as DC loads and DC sources like solar photovoltaic systems, fuel cells, batteries, and other options have become more …
Unlike existing microgrids which are purely ac, the hybrid microgrid studied here comprises dc and ac subgrids interconnected by power electronic interfaces. The main challenge here is to …
The dc microgrid can also be used to supply closely located sensitive ac loads during outages on the utility grid. The proposed dc microgrid can be operated in eight different operation modes …
This paper proposes a non-unit protection scheme for DC Micro Grids (DC MGs) utilizing only local measurements. This scheme is developed based on the natural characteristics of DC …
Unlike existing microgrids which are purely ac, the hybrid microgrid studied here comprises dc and ac sub-grids, interconnected by power electronic interfaces. The main challenge here is to …
A lab-scale DC microgrid platform is developed to verify the proposed energy management strategy in this paper. Moreover, the analysis and compare of the results show that the …
The small-signal model of a dc microgrid has been derived. Eigenvalue analysis results reveal the relationship between the system stability and different factors of dc microgrids, including types …
DC microgrids can be seen as a game changer in the near future regarding electrical distribution networks. A paradigm in which AC distribution networks will coexist with DC distribution networks is what is …
： Microgrid is one of the new conceptual power systems for smooth installation of many distributed generations (DGs). While most of the microgrids adopt ac distribution as well as …
Decentralized control of DC microgrid clusters. This paper explores the interconnection of multiple microgrid with "tie-line". Tie-line control can be managed to control the power flow from …
Power-sharing and energy management operation, control, and planning issues are summarized for both grid-connected and islanded DC microgrids. Also, key research areas …
In this paper, the concept of frequency-coordinating virtual impedance is proposed for the autonomous control of a dc microgrid. This concept introduces another degree of freedom in …
： This paper describes an autonomous-control method for a DC microgrid system having distribution power generators. This system consists of following five generation and control …
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