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Electricity in 2024
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Electricity in 2024

A special issue of Electricity (ISSN 2673-4826).

Deadline for manuscript submissions: 15 May 2024 | Viewed by 3064

Special Issue Editors

Prof. Dr. Andreas Sumper

E-Mail Website
Guest Editor
CITCEA-UPC, Department of Electrical Engineering, Universitat Politecnica de Catalunya, 08028 Barcelona, Spain
Interests: electrical engineering; energy efficiency; power grid; renewable energy; smart grid; digital energy; artificial intelligence; electric cars charging
Special Issues, Collections and Topics in MDPI journals
Dr. Eduard Bullich-Massagué

E-Mail Website
Guest Editor
CITCEA-UPC, Department of Electrical Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08028 Barcelona, Spain
Interests: electrical engineering; power grid; renewable energy; smart grid; digital energy; optimization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to announce this Special Issue, entitled “Electricity in 2024”, which is part of the MDPI journal New Year Special Issue Series. This Special Issue will collect original articles or comprehensive reviews on all aspects of electrical engineering. There is no restriction on the maximum length of papers. We encourage scientists to publish their experimental and theoretical results in as much detail as desired.

Topics of interest for publication include, but are not limited to, the following:

  • Electric infrastructure and applications;
  • Electric power systems: operation and planning;
  • Electric transportation;
  • Electricity storage;
  • Energy conversion;
  • Power markets and economics;
  • Smart grids and smart electricity applications;
  • Electrical renewable energy technology and its integration;
  • Microgrid technology.

Technical Committee Member

Name: Dr. Joan Marc Rodriguez-Bernuz

E-mail: joan.marc.rodriguez@upc.edu

Affiliation: CITCEA-UPC, Department of Electrical Engineering, Universitat Politècnica de Catalunya -BarcelonaTECH, 08028 Barcelona, Spain

Homepage: https://futur.upc.edu/JoanMarcRodriguezBernuz

Research interests: electrical engineering; microgrids, HVDC, control, power converters

Prof. Dr. Andreas Sumper
Dr. Eduard Bullich-Massagué
Guest Editors

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. Electricity is an international peer-reviewed open access quarterly 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 1000 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

  • electric infrastructure and applications;
  • electric power systems: operation and planning;
  • electric transportation;
  • electricity storage;
  • energy conversion;
  • power markets and economics;
  • smart grids and smart electricity applications;
  • electrical renewable energy technology and its integration;
  • microgrid technology

Published Papers (3 papers)

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Research

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20 pages, 4687 KiB  
Article
Measurement and Evaluation of Voltage Unbalance in 2 × 25 kV 50 Hz High-Speed Trains Using Variable Integration Period
by Yassine Taleb, Roa Lamrani and Ahmed Abbou
Electricity 2024, 5(1), 154-173; https://doi.org/10.3390/electricity5010009 - 12 Mar 2024
Viewed by 759
Abstract
This article addresses the need for a standardized method to measure power quality in railroad systems, which differ from distribution and transmission networks. It evaluates the applicability of existing standards in detecting variations and short-term disturbances in railroad networks powered by the 50/60 [...] Read more.
This article addresses the need for a standardized method to measure power quality in railroad systems, which differ from distribution and transmission networks. It evaluates the applicability of existing standards in detecting variations and short-term disturbances in railroad networks powered by the 50/60 Hz AC grid or the 2 × 25 kV AC network used for high-speed trains. The objective is to propose a standardized algorithm capable of accurately identifying disturbances to assess power quality on railway traction substations. A new method is proposed to characterize voltage imbalances more precisely. Practical demonstrations confirm that a short integration period, as used in existing standards, provides a more accurate estimation of disturbance amplitude and duration. Field experiments validate the proposed solution, embedded in equipment installed on the 225 kV line supplying the 2 × 25 kV AC substation for high-speed rail. Comparative analysis of results obtained during high-speed train journeys confirms the algorithm’s potential to aid standards committees in reviewing and updating existing standards, as well as expediting the creation, approval, and implementation of new standards for railway installations. Experimental comparisons of other power quality parameters, such as frequency and voltage harmonics, also underscore the algorithm’s utility in railway power quality assessment. Full article
(This article belongs to the Special Issue Electricity in 2024)
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19 pages, 7107 KiB  
Article
Cascaded Multi-Input Single-Output Boost Inverter for Mismatch Mitigation at PV Submodule Level
by Yousef Alharbi, Ahmed Darwish and Xiandong Ma
Electricity 2024, 5(1), 93-111; https://doi.org/10.3390/electricity5010006 - 25 Feb 2024
Viewed by 722
Abstract
Mismatched power generation is a serious issue in PV systems, resulting from unequal power generation between PV components. Solutions have been proposed to reduce or eliminate the mismatch concern. One practical strategy is individually harvesting the maximum power from each PV component; the [...] Read more.
Mismatched power generation is a serious issue in PV systems, resulting from unequal power generation between PV components. Solutions have been proposed to reduce or eliminate the mismatch concern. One practical strategy is individually harvesting the maximum power from each PV component; the more distributed MPPT is applied to a finer level, the more power can be obtained. This study proposes three-input single-output boost converters that are employed to effectively increase PV power generation and significantly reduce mismatch issues between the PV submodule (PV SM). Each boost converter will be controlled to harvest the maximum power from a group of PV cells inside a single PV module. The outputs of the three boost converters are connected in series to provide higher output voltage for grid integration. The cascaded power converters are linked with a forwarding diode to provide a protection feature for the system and prevent the reverse current from harming the PV module. On the grid side, a single-phase Voltage Source Inverter (VSI) is used to convert the DC power from the PV module to sinusoidal AC power. The performance of the suggested inverter has been confirmed through experimental tests. Full article
(This article belongs to the Special Issue Electricity in 2024)
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Review

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18 pages, 14677 KiB  
Review
Comprehensive Bibliometric Analysis on Smart Grids: Key Concepts and Research Trends
by Kasaraneni Purna Prakash, Yellapragada Venkata Pavan Kumar, Kasaraneni Himajyothi and Gogulamudi Pradeep Reddy
Electricity 2024, 5(1), 75-92; https://doi.org/10.3390/electricity5010005 - 01 Feb 2024
Viewed by 881
Abstract
Over the years, a rapid evolution of smart grids has been witnessed across the world due to their intelligent operations and control, smart characteristics, and benefits, which can overcome several difficulties of traditional electric grids. However, due to multifaceted technological advancements, the development [...] Read more.
Over the years, a rapid evolution of smart grids has been witnessed across the world due to their intelligent operations and control, smart characteristics, and benefits, which can overcome several difficulties of traditional electric grids. However, due to multifaceted technological advancements, the development of smart grids is evolving day by day. Thus, smart grid researchers need to understand and adapt to new concepts and research trends. Understanding these new trends in smart grids is essential for several reasons, as the energy sector undergoes a major transformation towards becoming energy efficient and resilient. Moreover, it is imperative to realize the complete potential of modernizing the energy infrastructure. In this regard, this paper presents a comprehensive bibliometric analysis of smart grid concepts and research trends. In the initial search, the bibliometric data extracted from the Scopus and Web of Science databases totaled 11,600 and 2846 records, respectively. After thorough scrutiny, 2529 unique records were considered for the bibliometric analysis. Bibliometric analysis is a systematic method used to analyze and evaluate the scholarly literature on a particular topic and provides valuable insights to researchers. The proposed analysis provides key information on emerging research areas, high-impact sources, authors and their collaboration, affiliations, annual production of various countries and their collaboration in smart grids, and topic-wise title count. The information extracted from this bibliometric analysis will help researchers and other stakeholders to thoroughly understand the above-mentioned aspects related to smart grids. This analysis was carried out on smart grid literature by using the bibliometric package in R. Full article
(This article belongs to the Special Issue Electricity in 2024)
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