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Special Issue "Energy Storage Applications for Hybrid DC/AC Microgrids"

A special issue of Energies (ISSN 1996-1073).

Deadline for manuscript submissions: 22 May 2019

Special Issue Editor

Guest Editor
Prof. Dr. Pablo García Fernández

Department of Electrical Engineering, University of Oviedo, Asturias, Spain
Website | E-Mail
Interests: high-performance control of grid-tied power converters; parameter estimation in AC/DC microgrids; energy storage integration in microgrids; distributed control systems in microgrids; distributed measurements for power quality in microgrids

Special Issue Information

Dear Colleagues,

We are promoting a Special Issue on “Energy Storage Applications for Hybrid DC/AC Microgrids”. This Special Issue will cover the vital use of energy storage systems in microgrids, focusing on the integration of energy storage systems using different power conversion strategies.

When designing hybrid DC/AC microgrids, the use of energy storage systems allows improving the dynamic behavior of the grid. Connection and disconnection of loads affect the variations of critical variables, such as the dc-link voltage, AC voltage magnitude, and frequency. During the last few years, research efforts have been carried out to improve the transient behavior of the use of energy storage systems. In particular, the use of virtual inertia and emulation of synchronous generators using the virtual synchronous generator approach are appealing improvements to the system. However, there is still room for system optimization. Presently, there is no agreement on a method for the optimal placement, sizing and technology for the design of energy storage systems. Also, there are open discussions regarding different interesting aspects: 1) central vs. distributed energy storage, 2) collaborative operation among the different energy storage systems and 3) integration with grid-operator control systems.

For these reasons, this Special Issue will look for contributions in the following directions:

  • Optimal sizing of hybrid energy storage systems in hybrid DC/AC grids.
  • Collaborative control of energy storage systems in hybrid DC/AC grids.
  • Design of control systems for enhanced transient and dynamic behavior in hybrid DC/AC grids.
  • Design of alternative power converter topologies for hybrid energy storage systems.
  • Impact of power converter in hybrid energy storage systems.

Prof. Dr. Pablo García Fernández
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Hybrid energy storage systems
  • hybrid DC/AC grids
  • grid-tied power converters

Published Papers (2 papers)

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Research

Open AccessArticle Practical Analysis and Design of a Battery Management System for a Grid-Connected DC Microgrid for the Reduction of the Tariff Cost and Battery Life Maximization
Energies 2018, 11(7), 1889; https://doi.org/10.3390/en11071889
Received: 5 June 2018 / Revised: 9 July 2018 / Accepted: 16 July 2018 / Published: 19 July 2018
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Abstract
This study is focused on two areas: the design of a Battery Energy Storage System (BESS) for a grid-connected DC Microgrid and the power management of that microgrid. The power management is performed by a Microgrid Central Controller (MGCC). A Microgrid operator provides
[...] Read more.
This study is focused on two areas: the design of a Battery Energy Storage System (BESS) for a grid-connected DC Microgrid and the power management of that microgrid. The power management is performed by a Microgrid Central Controller (MGCC). A Microgrid operator provides daily information to the MGCC about the photovoltaic generation profile, the load demand profile, and the real-time prices of the electricity in order to plan the power interchange between the BESS and the main grid, establishing the desired state of charge (SOC) of the batteries at any time. The main goals of the power management strategy under study are to minimize the cost of the electricity that is imported from the grid and to maximize battery life by means of an adequate charging procedure, which sets the charging rate as a function of the MG state. Experimental and simulation results in many realistic scenarios demonstrate that the proposed methodology achieves a proper power management of the DC microgrid. Full article
(This article belongs to the Special Issue Energy Storage Applications for Hybrid DC/AC Microgrids)
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Open AccessArticle Design and Line Fault Protection Scheme of a DC Microgrid Based on Battery Energy Storage System
Energies 2018, 11(7), 1823; https://doi.org/10.3390/en11071823
Received: 24 May 2018 / Revised: 3 July 2018 / Accepted: 11 July 2018 / Published: 12 July 2018
Cited by 1 | PDF Full-text (1958 KB) | HTML Full-text | XML Full-text
Abstract
Currently, the Direct-Current (DC) microgrid has been gaining popularity because most electronics devices require a DC power input. A DC microgrid can significantly reduce the AC to DC energy conversion loss. However, a power grid may experience a line fault situation that may
[...] Read more.
Currently, the Direct-Current (DC) microgrid has been gaining popularity because most electronics devices require a DC power input. A DC microgrid can significantly reduce the AC to DC energy conversion loss. However, a power grid may experience a line fault situation that may damage important household devices and cause a blackout in the power system. This work proposes a new line fault protection scheme for a DC microgrid system by using a battery energy storage system (BESS). Nowadays, the BESS is one of the most cost effective energy storage technologies for power system applications. The proposed system is designed from a distributed wind farm smart grid. A total of three off-shore wind farms provide power to the grid through a high voltage DC (HVDC) transmission line. The DC microgrid was modeled by a BESS with a bi-directional DC–DC converter, various DC-loads with step down DC–DC converters, a voltage source converter, and a voltage source inverter. Details of the control strategies of the DC microgrid are described. During the line fault situation, a transient voltage was controlled by a BESS. From the simulation analyses, it is confirmed that the proposed method can supply stable power to the DC grid, which can also ensure protection of several loads of the DC microgrid. The effectiveness of the proposed system is verified by in a MATLAB/SIMULINK® environment. Full article
(This article belongs to the Special Issue Energy Storage Applications for Hybrid DC/AC Microgrids)
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