Renewable Energy Sources for Smart Grids

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 3369

Special Issue Editors

Department of Astronautics, Electrical and Energetic Engineering, Sapienza University of Rome, Rome, Italy
Interests: cover power plants based on renewable sources; cogeneration and trigeneration
Special Issues, Collections and Topics in MDPI journals
Department of Astronautics, Electrical and Energetic Engineering, University of Rome La Sapienza, 00184 Rome, Italy
Interests: energy communities; smart microgrids; electrical vehicles; lighting; renewable energies; home and building automation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Power systems are going through a paradigm change from centralized generation to distributed generation. In particular, a new generation of resources, technologies, and devices are being deployed to build what is called the “smart” grid. Smart grid technology is being deployed to improve operational efficiency, reliability, and resilience, but also to address the integration and utilization of distributed energy resources. The smart grid emphasizes interoperability, renewable generation, distributed generation, and storage options, including dispersed energy storage with electric vehicles. Actually, the smart grid concept is the key to a larger and larger deployment of distributed generation based on renewable energy sources.

The concept of smart grid will transform how electricity providers operate their systems, through the use of advanced technologies that are becoming more and more cost-effective.

In the last two decades, there has been an increasing investment in renewable technologies. Among other power generators, a huge number of small wind turbines and photovoltaic arrays are being installed and integrated in electrical power systems. For these reasons, there have been significant advancements in renewable energy harvesting, especially in the area of electrical machines and drives.

However, a larger and larger penetration of this kind of sources in the distribution system can significantly impact the power flow and voltage conditions, leading to high instability in voltage and frequency. To obtain stable and high-quality electricity, an appropriate control must be provided, and the right converter must be designed.

In conclusion, new issues make the design of generators, storage systems, and power converters for renewable power generation in smart grids really challenging.

The topics of this Special Issue include but are not limited to:

  • Technologies for smart grid optimal operation with a high share of renewables;
  • Power flow management;
  • Energy storage;
  • Advanced electrical machines and controlled drives for renewable energy harvesting;
  • New electrical machine designs for wind energy applications;
  • Direct-drive machines for microhydro and wind generation;
  • Control aspects of electrical machines for smart grid applications;
  • Advanced power electronics design for smart grids.

Prof. Chiara Boccaletti
Dr. Cristina Moscatiello
Guest Editors

Manuscript Submission Information

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Keywords

  • renewable energy sources
  • smart grids
  • renewable generators
  • advanced power electronics
  • energy storage
  • wind generators
  • photovoltaic systems

Published Papers (1 paper)

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Research

22 pages, 16604 KiB  
Article
Case Study of Power Plants in the Slovak Republic and Construction of Microgrid and Smart Grid
by Róbert Štefko, Zsolt Čonka and Michal Kolcun
Appl. Sci. 2021, 11(11), 5252; https://0-doi-org.brum.beds.ac.uk/10.3390/app11115252 - 05 Jun 2021
Cited by 4 | Viewed by 2809
Abstract
To reduce emissions worldwide, decarbonization has also affected for power engineering and its conventional methods of power generation, distribution, and transmission. This fact affects not only the production of power and supply itself, but also other parts related to it, namely systems for [...] Read more.
To reduce emissions worldwide, decarbonization has also affected for power engineering and its conventional methods of power generation, distribution, and transmission. This fact affects not only the production of power and supply itself, but also other parts related to it, namely systems for the protection of electricity generation facilities and the location of faults in distribution networks and transmission systems. Is this new technology of renewable energy sources (RES) mastered enough to be able to replace traditional methods of energy generation reliably and safely? If we can answer the previous question, we could proceed to the next phase of putting these technologies into practice, considering the actual state of distribution networks and transmission systems. The aim of the article will be to evaluate the current state of systems and production sources of electricity in the Slovak Republic and to provide a better insight and suggestions for rebuilding current networks on a smart grid. The proposals will also include models of some RES in the Matlab/Simulink software. Full article
(This article belongs to the Special Issue Renewable Energy Sources for Smart Grids)
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