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Distributed Energy Systems
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Distributed Energy Systems

A topical collection in Applied Sciences (ISSN 2076-3417). This collection belongs to the section "Energy Science and Technology".

Viewed by 8437

Editor

Prof. Dr. Rodolfo Dufo-López

E-Mail Website
Collection Editor
Department of Electrical Engineering, University of Zaragoza, Calle María de Luna, 3, 50018 Zaragoza, Spain
Interests: renewable energy; electricity storage; advanced batteries models; net metering; energy management; optimization algorithms
Special Issues, Collections and Topics in MDPI journals

Topical Collection Information

Dear Colleagues,

Distributed energy systems (DES), also called distributed generation or on-site generation when referring to electricity supply, refers to the electrical generation performed by a variety of small, grid-connected, or distribution system-connected devices, rather than transmitting energy over the electric grid from a large, centralized facility. This kind of systems use renewable energy (photovoltaic, wind power, small hydro, biomass, etc.) but they can also use fossil-fuel technologies (diesel generator, etc.), with power typically lower than 10 MW and in many cases hybrid systems (multiple generation and storage components) are used. Waste-to-energy, combined heat and power (CHP), and storage (batteries or other kinds of storage) are also included in this kind of system. DES increase energy efficiency, reduce carbon pollution, improve grid resiliency and security of supply and curtail the need for new transmission investments. Microgrids (localized, small-scale grids) are DES systems, strengthening grid resilience, and helping mitigate grid disturbances. They can disconnect from the centralized grid and operate in off-grid mode.

Taking into account all the above, this Special Issue is dedicated to any topic related to “Distributed Energy Systems”, grid-connected or off-grid systems, using renewable, fossil-fuel technologies or hybrid systems, with or without storage. It includes modeling, control, protection, operation, sizing, simulation, optimization, grid stability, and other issues, considering technical, or environmental aspects.

Prof. Dr. Rodolfo Dufo-López
Collection 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 submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the collection 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. Applied Sciences is an international peer-reviewed open access semimonthly 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 2400 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

  • Distributed generation
  • Distributed energy resources
  • Microgrids
  • Renewable energy
  • Storage
  • Electricity supply

Published Papers (3 papers)

Download All Papers

2024

Jump to: 2022, 2021

20 pages, 1739 KiB  
Review
Review of Energy Management Systems in Microgrids
by Süleyman Emre Eyimaya and Necmi Altin
Appl. Sci. 2024, 14(3), 1249; https://doi.org/10.3390/app14031249 - 02 Feb 2024
Cited by 1 | Viewed by 1569
Abstract
Microgrids usually employ distributed energy resources such as wind turbines, solar photovoltaic modules, etc. When multiple distributed generation resources with different features are used in microgrids, managing these resources becomes an important problem. The generated power of solar photovoltaic modules and wind turbines [...] Read more.
Microgrids usually employ distributed energy resources such as wind turbines, solar photovoltaic modules, etc. When multiple distributed generation resources with different features are used in microgrids, managing these resources becomes an important problem. The generated power of solar photovoltaic modules and wind turbines used in microgrids is constantly changing with solar irradiation and wind speed. Due to this impermanent and uncertain nature of renewable energy resources, generally, energy storage systems are employed in microgrid systems. To control the distributed energy resources and energy storage units and sustain the supply and demand balance within the microgrid and provide sustainable and reliable energy to the loads, energy management systems are used. Many methods are used to realize and optimize energy management in microgrids. This review article provides a comparative and critical analysis of the energy management systems used in microgrids. The energy management system can be tailored for different purposes, which are also discussed in detail. Additionally, various uncertainty measurement methods are summarized to manage the variability and intermittency of renewable energy sources and load demand. Finally, some thoughts about potential future directions and practical applications are given. Full article
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2022

Jump to: 2024, 2021

11 pages, 1740 KiB  
Communication
Wind Microgeneration Strategy for Meeting California’s Carbon Neutral Grid Goal
by Geoffrey Niswander and George Xydis
Appl. Sci. 2022, 12(4), 2187; https://doi.org/10.3390/app12042187 - 19 Feb 2022
Cited by 6 | Viewed by 1611
Abstract
As California’s Renewables Portfolio Standard continues to phase power production from fossil fuels, carbon neutral sources will need to be implemented. This sets small-scale wind production and battery storage in a position to integrate into current grid infrastructure as means of production. This [...] Read more.
As California’s Renewables Portfolio Standard continues to phase power production from fossil fuels, carbon neutral sources will need to be implemented. This sets small-scale wind production and battery storage in a position to integrate into current grid infrastructure as means of production. This would be an “E Pluribus Unum” approach where many decentralized small production and storage units would act in combination to provide a stable grid. This is often referred to as distributed generation (DG). By distributing the grid’s production in this manner and designating predetermined regional hubs for control (in the event of a fractured grid due to natural disaster), the state and its residents will be able to maintain power for critical infrastructure and basic utilities. This work presents, in detail, a sustainable plan for achieving carbon neutral Californian grid by 2045. Full article
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2021

Jump to: 2024, 2022

13 pages, 5316 KiB  
Article
Analysis of Thermomechanical Stresses of a Photovoltaic Panel Using a Passive System of Cooling
by Brayan L. Pérez Escobar, Germán Pérez Hernández, Arturo Ocampo Ramírez, Lizeth Rojas Blanco, Laura L. Díaz Flores, Inocente Vidal Asencio, José G. Hernández Perez and Erik Ramírez Morales
Appl. Sci. 2021, 11(21), 9806; https://doi.org/10.3390/app11219806 - 20 Oct 2021
Cited by 5 | Viewed by 1812
Abstract
In this paper, the gradient temperature and the thermomechanical stresses of a photovoltaic panel has been studied with and without heatsink. For this purpose, a three-dimensional analysis was carried out. Accordingly, a heat transfer analysis was developed. The numerical results show a cooling [...] Read more.
In this paper, the gradient temperature and the thermomechanical stresses of a photovoltaic panel has been studied with and without heatsink. For this purpose, a three-dimensional analysis was carried out. Accordingly, a heat transfer analysis was developed. The numerical results show a cooling close to 26.7% with the proposed triangle fins compared with the rectangular fins studied before by another author, and the temperature distribution was determined. With this information, the stress analysis was carried out in order to find the effect on the panel due to the thermomechanical stresses. The aluminium frame was restricted to move freely. The resulting stresses field established the magnitude of the alternative stresses, resulting in a 6.7% drop compared with a reference panel. The guidelines of IEC 61215 have to be take into account. Due to the results obtained, the use of this kind of system in desert conditions is desirable because of its high operational temperature and due to the increase in heat transfer by the fins. Full article
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

1.

Title: Improving radar-based obstruction light controlling efficiency in wind farms by introducing advanced filter technologies

Authors: Dr. Jørgensen, Dr. Tambo, and Dr. Xydis

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