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Electricity
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Advances in Electrical Engineering from EU-Funded Horizon 2020 Projects
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Advances in Electrical Engineering from EU-Funded Horizon 2020 Projects

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

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 21879

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. Paula Varandas Ferreira

E-Mail Website
Guest Editor
ALGORITMI Research Center, University of Minho, Campus de Azurém, Guimarães, 4710-057 Braga, Portugal
Interests: energy; sustainability; multi-criteria; energy planning; energy economics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Horizon 2020 is the biggest EU Research and Innovation program ever, with nearly EUR 80 billion of funding available over 7 years until 2020. Electrical engineering is one of the key fields of research and innovation for industrial leadership and energy transition in the work program proposed and, therefore, the results and insights of these projects will contribute significantly to society.

On the other hand, the Horizon 2020 program also establishes an open access policy to optimize the impact and reuse of publicly funded scientific research. This will contribute to a more efficient science, more transparent and equal access for the benefit of all actors, and more economic growth.

This Special Issue aims to give researchers in Horizon 2020 projects related with electrical engineering the opportunity to publish under open access conditions. The contributions cover the one or a combination of the following points:

  • Literature reviews on relevant subjects of the projects, including problem formulation;
  • Methodologies and proposal of solutions for problems. Demonstration of the solutions by simulation;
  • Insights and results of demonstration activities in different environments (experimental and piloting);
  • Economic and business models in relation with the solutions proposed. Regulation studies and recommendations.

Prof. Dr. Andreas Sumper
Dr. Paula Varandas Ferreira
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

  • electrical engineering
  • innovation and research projects
  • demonstration and experimental results
  • economic and business aspects

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (5 papers)

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Research

20 pages, 3968 KiB  
Article
Coordinating Capacity Calculation via Electricity Market Coupling: Insights from the H2020 CROSSBOW Project
by Nikos Andriopoulos, Ioannis Georgantas, Despoina I. Makrygiorgou, Dimitris Skipis, Christos Dikaiakos, Ioannis Moraitis, Athanasios Botsis and Dimitrios Papadaskalopoulos
Electricity 2022, 3(2), 182-201; https://doi.org/10.3390/electricity3020011 - 19 Apr 2022
Cited by 3 | Viewed by 3160
Abstract
CROSS BOrder management of variable renewable energies and storage units enabling a transnational Wholesale market (CROSSBOW) is an EC-funded project, whose aim is to facilitate the shared use of energy resources by fostering cross-border management of variable renewable energies and storage units, enabling [...] Read more.
CROSS BOrder management of variable renewable energies and storage units enabling a transnational Wholesale market (CROSSBOW) is an EC-funded project, whose aim is to facilitate the shared use of energy resources by fostering cross-border management of variable renewable energies and storage units, enabling higher penetration of renewable energy sources (RES) whilst reducing network operational costs and improving economic benefits of clean energies and storage units. Towards these goals, CROSSBOW boosts regional cooperation among the system operators in Southeastern Europe (SEE), by deploying nine different tools to support the security coordination center (SCC) of the region. More specifically, the main CROSSBOW product, namely CROSSBOW Regional Operation Centre (CROSSBOW ROC) has proposed and demonstrated a set of functionalities for regional management and operation that enhance the existing regional structures, extending the capabilities of the already established Regional Security Coordinator (RSC) initiatives. Beyond enhancing RSC mandatory functions (including adequacy forecasts, coordinated security analysis, capacity calculations, and outage planning coordination), the ROC-BC product has developed new functions, linking the security considerations of involved TSOs with the operation of the fast-developing and harmonized electricity markets. In this paper, we investigate approaches for coordinated capacity calculation and cross-border trading via market coupling, developed within the ROC-BC product of CROSSBOW. Moreover, we present the final demonstration results as a part of ROC fundamental functionalities. Specifically, both net transfer capacity (NTC) and flow-based (FB) methods are examined and compared within a case study applying to the SEE region. The presented results demonstrate that the FB method exhibits better performance in all examined scenarios, considering three different key performance indicators (KPIs). Full article
(This article belongs to the Special Issue Advances in Electrical Engineering from EU-Funded Horizon 2020 Projects)
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19 pages, 3688 KiB  
Article
Voltage Unbalance, Power Factor and Losses Optimization in Electrified Railways Using an Electronic Balancer
by António P. Martins, Pedro Rodrigues, Mahmoud Hassan and Vítor A. Morais
Electricity 2021, 2(4), 554-572; https://doi.org/10.3390/electricity2040032 - 12 Nov 2021
Cited by 7 | Viewed by 4116
Abstract
Unbalanced currents, low power factor and high losses contribute to increasing the bill infrastructure managers must pay to the TSO/DSO operator that supplies electric energy to the railway system. Additionally, if regenerative energy coming from braking regimes is not allowed to be injected [...] Read more.
Unbalanced currents, low power factor and high losses contribute to increasing the bill infrastructure managers must pay to the TSO/DSO operator that supplies electric energy to the railway system. Additionally, if regenerative energy coming from braking regimes is not allowed to be injected into the grid or even is penalized when it occurs, then the optimization of those parameters must be pursued. One of the possible measures that can be taken to counteract those phenomena is the installation of electronic balancers in heavy loaded substations in order to optimize the interface to the three-phase electric grid. This paper shows the benefit of such use taking examples from real conditions and realistic simulations assumed equivalent to field measurements. Full article
(This article belongs to the Special Issue Advances in Electrical Engineering from EU-Funded Horizon 2020 Projects)
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12 pages, 5917 KiB  
Article
Minimizing the Cost of PHEV Usage with Price Sensitive Charging Strategies
by Dimitra Zarbouti, Elisavet Koutsi, Georgia Athanasiadou and George Tsoulos
Electricity 2021, 2(4), 459-470; https://doi.org/10.3390/electricity2040027 - 25 Oct 2021
Cited by 1 | Viewed by 3152
Abstract
Electric cars sales have been rising almost steadily over the past decade. Uncontrolled charging has recently emerged as the main detrimental factor to this otherwise environmentally friendly and paradigm shifting technology due to the incurred impact on the energy grid. In addition, people [...] Read more.
Electric cars sales have been rising almost steadily over the past decade. Uncontrolled charging has recently emerged as the main detrimental factor to this otherwise environmentally friendly and paradigm shifting technology due to the incurred impact on the energy grid. In addition, people are usually hesitant in allowing their vehicles to be controlled by external units; therefore, controlled charging strategies that offer users the option to have some control over their vehicles seems to be a sensible choice moving towards a gasoline-free vehicles market. This work investigated two price-sensitive charging strategies that allowed users to control the charging of their vehicle in order to receive cost benefits. These strategies were of a parametric nature; thus, the analysis focused on providing useful rules of thumb to guide users in choosing the most suitable strategy and the relevant parameters according to their driving profiles. The results show that when driving less than 40 km/h on average and employing a price-sensitive charging strategy with the proposed optimized parameters, electric car users may obtain 30–40% of the running cost reduction. Full article
(This article belongs to the Special Issue Advances in Electrical Engineering from EU-Funded Horizon 2020 Projects)
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20 pages, 2440 KiB  
Article
Least-Cost Non-RES Thermal Power Plants Mix in Power Systems with Majority Penetrations of Renewable Energy
by Hugo Algarvio
Electricity 2021, 2(4), 403-422; https://doi.org/10.3390/electricity2040024 - 24 Sep 2021
Cited by 2 | Viewed by 3142
Abstract
The ambitious targets of the European Union (EU) for a greater penetration of renewable energy sources (RES) in all areas of activity have led to power systems with growing levels of variable RES (VRES) all over the EU. Considering these targets, the EU [...] Read more.
The ambitious targets of the European Union (EU) for a greater penetration of renewable energy sources (RES) in all areas of activity have led to power systems with growing levels of variable RES (VRES) all over the EU. Considering these targets, the EU countries presented their National Energy and Climate Plans (NECP) with their expected capacity until 2030. The NECPs considered a relevant increase in the VRES capacity and in some cases a decrease in the capacity of dispatchable power plants. VRES have near-zero marginal costs and increase the volatility of the net-load due to the stochastic profile of their production. These characteristics increase the need to maintain fast-response dispatchable power plants to guarantee the security of supply and also decrease market prices. Thus, governments promote externalities, as capacity mechanisms and other incentives to these players, guaranteeing their economic sustainability. This study presents the optimization of the non-RES thermal capacity of the Iberian power system by 2030, considering the least-cost algorithm. Considering a cooperative scenario between Portugal and Spain, it is possible to reduce the system costs by 17.40%, the curtailments quantity by 21.93%, the number of market-splitting hours by 43.26% and the dioxide carbon emissions by 4.76%. Full article
(This article belongs to the Special Issue Advances in Electrical Engineering from EU-Funded Horizon 2020 Projects)
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14 pages, 4026 KiB  
Article
A Study of Load Imbalance Influence on Power Quality Assessment for Distribution Networks
by Catalin Iosif Ciontea and Florin Iov
Electricity 2021, 2(1), 77-90; https://doi.org/10.3390/electricity2010005 - 1 Mar 2021
Cited by 35 | Viewed by 6327
Abstract
Power quality studies for distribution networks are very important for future network expansions realized by utility companies, so the accuracy of such studies is critical. Load data, including information on load imbalance, could have in many situations a significant influence on the correct [...] Read more.
Power quality studies for distribution networks are very important for future network expansions realized by utility companies, so the accuracy of such studies is critical. Load data, including information on load imbalance, could have in many situations a significant influence on the correct estimation of many power quality indicators. This paper investigates the impact of load imbalance on several phase imbalance indicators and voltage quality indicators by comparing the values of these indicators, as calculated in a power quality study using, sequentially, different sets of load data characterized by different load imbalances. The results of this study confirm the original hypothesis, showing that the use of inaccurate consumption profiles for loads leads to an inaccurate estimation of some power quality indicators. In addition, the results highlight the difficulty of approximating the actual consumption profiles of electrical loads so that this approximation does not affect the correctness of the estimation of phase imbalance and voltage quality indicators. Full article
(This article belongs to the Special Issue Advances in Electrical Engineering from EU-Funded Horizon 2020 Projects)
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