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The Electric Power Technologies: Today and Tomorrow
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The Electric Power Technologies: Today and Tomorrow

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: 31 May 2025 | Viewed by 12558

Special Issue Editor

Prof. Dr. Petre-Marian Nicolae

E-Mail Website
Guest Editor
Electrical Engineering, Energetic and Aeronautics Department, Faculty of Electrical Engineering, University of Craiova, 200585 Craiova, Romania
Interests: power quality; energy efficiency; electromagnetic compatibility; distorting and/or non-symmetrical regimes; transient regimes; un-conventional technologies; power systems (including system with localized power); power converters and electrical drives for urban transportation systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

New technological developments in recent years have led to the appearance of new or improved equipment for uses that did not exist, including new electrical systems for electric cars, new types of intelligent electrical networks for the transmission of electrical energy in parallel with other types of electrical signals, and new types of electrical generators for renewable energy sources. New ways of converting some types of energy into electricity have been developed or will be developed, which implies new technologies for obtaining a greater amount of electricity are on their way.

The diversification of sources for obtaining electricity is a major concern in recent decades, regarding the improvement of photovoltaic panels, the use and expansion of applications that use hydrogen, etc. They require the development or improvement of new electrical technologies, and they have a major impact on everyday life.

The expansion of the frequency range for mobile telephony imposes new trends regarding the adjacent electrical equipment that will be used for the transmission and reception of electrical signals, in parallel with measures to protect the human personnel involved in the electromagnetic energy transmission chain (workers in specialized companies, mobile phone users, etc.).

All this will have a major impact on the relevant industry and on the users of new electrical equipment.

This Special Issue aims to present, the latest issues regarding the electric power technologies and the meaning of further developments in the field.

Issues to be considered here include, among others:

  • Modern trends in railway electric traction systems;
  • Modern electrical technologies in aeronautical systems;
  • Modern electrical technologies in space systems;
  • Trends in advanced modeling and simulation of electrical equipment;
  • Modern electrical technologies in urban transport systems;
  • Advanced systems for complex monitoring of energy power groups;
  • Modern technologies regarding the integration of renewable energies in smart electrical networks;
  • Modern numerical processing in mono- and three-phase systems;
  • Advanced diagnosis in modern electrical systems;
  • Increased energy efficiency at sources, at loads and on electricity transmission lines;
  • Modern technologies regarding the mobile phones.

Prof. Dr. Petre-Marian Nicolae
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 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 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. Sustainability 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

  • modern electric power technologies
  • modern electrical systems
  • advanced modelling
  • advanced processing
  • energy efficiency
  • modern power sources

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Published Papers (3 papers)

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Research

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15 pages, 2923 KiB  
Article
Sustainable Maintenance of Conductors in Transmission/Distribution Networks Using Complex Magnetic Field Analysis
by Livia-Andreea Dina, Viorica Voicu, Ionel Dumbrava, Paul-Mihai Mircea and Ileana Diana Nicolae
Sustainability 2024, 16(15), 6659; https://doi.org/10.3390/su16156659 - 3 Aug 2024
Viewed by 1191
Abstract
This study presents issues related to electromagnetic pollution and the level of magnetic field radiation occurring around conductors used for electricity transmission and distribution. The fact that modeling and simulation are the most efficient methods of optimization, considering the cost–benefit ratio, was the [...] Read more.
This study presents issues related to electromagnetic pollution and the level of magnetic field radiation occurring around conductors used for electricity transmission and distribution. The fact that modeling and simulation are the most efficient methods of optimization, considering the cost–benefit ratio, was the premise of this work. This paper proposes the performance of a complex analysis, carried out in a comparative manner, which includes physical tests and simulations in the existing field around transmission and distribution cables used in transformer substations. In the first stage, the level of the magnetic field existing near the conductor carried by an electric current was tested (measured), and a virtual model was then designed to simulate the field in conditions similar to those of the test. The results obtained from the simulation were analyzed in comparison with those obtained by testing. The maximum permissible limits of exposure to an electromagnetic field, which are regulated by Government Decision HG 520/2016 of 20 July 2016 and Directive 2013/35/EU of the European Parliament and of the Council of 26 June 2013, were used as the reference to formulate conclusions for both situations considered. These comparisons were intended to determine the level of exposure to electromagnetic fields existing in places where electricity transmission/distribution conductors are located. Energy sustainability exists due to the versatile properties of the conductors, with the energy transmission and distribution network being functional regardless of the source of energy production. Full article
(This article belongs to the Special Issue The Electric Power Technologies: Today and Tomorrow)
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Review

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28 pages, 7899 KiB  
Review
Solid-State Battery Developments: A Cross-Sectional Patent Analysis
by Raj Bridgelall
Sustainability 2024, 16(24), 10994; https://doi.org/10.3390/su162410994 - 15 Dec 2024
Viewed by 1217
Abstract
Solid-state batteries (SSBs) hold the potential to revolutionize energy storage systems by offering enhanced safety, higher energy density, and longer life cycles compared with conventional lithium-ion batteries. However, the widespread adoption of SSBs faces significant challenges, including low charge mobility, high internal resistance, [...] Read more.
Solid-state batteries (SSBs) hold the potential to revolutionize energy storage systems by offering enhanced safety, higher energy density, and longer life cycles compared with conventional lithium-ion batteries. However, the widespread adoption of SSBs faces significant challenges, including low charge mobility, high internal resistance, mechanical degradation, and the use of unsustainable materials. These technical and manufacturing hurdles have hindered the large-scale commercialization of SSBs, which are crucial for applications such as electric vehicles, portable electronics, and renewable energy storage. This study systematically reviews the global SSB patent landscape using a cross-sectional bibliometric and thematic analysis to identify innovations addressing key technical challenges. The study classifies innovations into key problem and solution areas by meticulously examining 244 patents across multiple dimensions, including year, geographic distribution, inventor engagement, award latency, and technological focus. The analysis reveals significant advancements in electrolyte materials, electrode designs, and manufacturability. This research contributes a comprehensive analysis of the technological landscape, offering valuable insights into ongoing advancements and providing a roadmap for future research and development. This work will benefit researchers, industry professionals, and policymakers by highlighting the most promising areas for innovation, thereby accelerating the commercialization of SSBs, and supporting the transition toward more sustainable and efficient energy storage solutions. Full article
(This article belongs to the Special Issue The Electric Power Technologies: Today and Tomorrow)
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34 pages, 4900 KiB  
Review
Review on Causes of Power Outages and Their Occurrence: Mitigation Strategies
by Hasan M. Salman, Jagadeesh Pasupuleti and Ahmad H. Sabry
Sustainability 2023, 15(20), 15001; https://doi.org/10.3390/su152015001 - 18 Oct 2023
Cited by 11 | Viewed by 9275
Abstract
For power plant networks in developing countries like Iraq, balancing electricity demand and generation continues to be a major challenge. Energy management (EM) in either demand-side (DS) or generation-side (GS) strategies, which is frequently utilized in Iraq due to a lack of adequate [...] Read more.
For power plant networks in developing countries like Iraq, balancing electricity demand and generation continues to be a major challenge. Energy management (EM) in either demand-side (DS) or generation-side (GS) strategies, which is frequently utilized in Iraq due to a lack of adequate power generation, has a small impact on the power balancing mechanism. Most previous studies in similar countries discussed only the application of DS strategies. The purpose of this paper is to contrast and review various energy management methodologies being used in developing nations facing power outages, to be able to recommend suitable ones according to the country’s situation. To assess potential EM-based solutions to improve the total energy efficiency of the Iraqi electrical community, a thorough and methodical analysis was carried out. The main objective of this review paper is to discuss the causes of power outages and the energy management strategies addressed here as methods to mitigate or avoid power outages. Unlike existing reviews that concentrated on demand-side energy management, this study specifically focuses on power outage causes in developing countries like Iraq rather than all management strategies. It also introduces the consequences of power outages including analysis of distribution power losses, financial loss from power blackouts, and power blackouts in firms in a typical month. Therefore, it presents readers with state-of-the-art strategies and recommends a generation-based EM strategy to mitigate such issues. Full article
(This article belongs to the Special Issue The Electric Power Technologies: Today and Tomorrow)
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