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Modeling and Simulation of Electricity Systems for Transport and Energy...
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Modeling and Simulation of Electricity Systems for Transport and Energy Storage

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".

Deadline for manuscript submissions: closed (30 September 2020) | Viewed by 15025

Printed Edition Available!
A printed edition of this Special Issue is available here.

Special Issue Editors

Prof. Dr. Regina Lamedica

E-Mail Website
Guest Editor
Department of Astronautical, Elecritical and Energetics Engineering Via Eudossiana Sapienza - University of Rome, 18, 00184 Rome, Italy
Interests: innovative soft computing and artificial intelligence techniques for power system analysis; management of electrical loads; reliability and power quality in railway and metro-transit systems; smart grid
Special Issues, Collections and Topics in MDPI journals
Dr. Alessandro Ruvio

E-Mail Website
Guest Editor
Department of Astronautical, Elecritical and Energetics Engineering, Sapienza University of Rome, 18, 00184 Rome, Italy
Interests: railways; electric vehicles; power quality; power systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The deep evolution of the electrical systems, due to the increase of distributed generation and renewable sources, has had effects also on electrical transportation systems, in order to improve energy efficiency and environmental sustainability.

In the urban context, the development not only of constrained guideway systems but also those of recent diffusion with hybrid and/or all-electric propulsion such as cars, bikes and scooters, has been characterized by both shorter times and high power charging requests, with a strong impact on the power systems in terms of stability, PQ, power flows management, etc.

In the extra-urban context, the main technological evolution took place not only in railway transportation systems, but also in the transport of goods by road, with possible highway electrification. 

In these new frameworks, energy storage systems are widely used both for increasing energy efficiency and for voltage regulation. The new electric scenario for transportation systems therefore requires preliminary studies that involve the use of models and calculation procedures suitable for carrying out in-depth analysis.

We are pleased to accept original research and review articles on Modeling and Simulation of Electricity Systems for Transport and Energy Storage. The keywords below describe only some of the topics included in this Special Issue.

Prof. Dr. Regina Lamedica
Dr. Alessandro Ruvio
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. Energies 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 2600 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

  • Theoretical aspects of modeling and simulation
  • Simulation languages
  • Tools for high performance computing simulation
  • New theory, methods, or algorithms
  • Experiences in applying a new approach
  • Engineering, control, and optimization aspects of energy storage systems
  • Management and control of large quantities of distributed storage systems
  • Experimental and laboratory testing
  • Power quality and power converters

Published Papers (5 papers)

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Research

27 pages, 9766 KiB  
Article
A Preliminary Techno-Economic Comparison between DC Electrification and Trains with On-Board Energy Storage Systems
by Regina Lamedica, Alessandro Ruvio, Manuel Tobia, Guido Guidi Buffarini and Nicola Carones
Energies 2020, 13(24), 6702; https://doi.org/10.3390/en13246702 - 18 Dec 2020
Cited by 15 | Viewed by 2312
Abstract
The paper presents a preliminary technical-economic comparison between a 3 kV DC railway and the use of trains with on-board storage systems. Numerical simulations have been carried out on a real railway line, which presents an electrified section at 3 kV DC and [...] Read more.
The paper presents a preliminary technical-economic comparison between a 3 kV DC railway and the use of trains with on-board storage systems. Numerical simulations have been carried out on a real railway line, which presents an electrified section at 3 kV DC and a non-electrified section, currently covered by diesel-powered trains. Different types of ESS have been analyzed, implementing the models in Matlab/Simulink environment. A preparatory economic investigation has been carried out. Full article
(This article belongs to the Special Issue Modeling and Simulation of Electricity Systems for Transport and Energy Storage)
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22 pages, 5008 KiB  
Article
Optimal Siting and Sizing of Wayside Energy Storage Systems in a D.C. Railway Line
by Regina Lamedica, Alessandro Ruvio, Laura Palagi and Nicola Mortelliti
Energies 2020, 13(23), 6271; https://doi.org/10.3390/en13236271 - 27 Nov 2020
Cited by 16 | Viewed by 2623
Abstract
The paper proposes an optimal siting and sizing methodology to design an energy storage system (ESS) for railway lines. The scope is to maximize the economic benefits. The problem of the optimal siting and sizing of an ESS is addressed and solved by [...] Read more.
The paper proposes an optimal siting and sizing methodology to design an energy storage system (ESS) for railway lines. The scope is to maximize the economic benefits. The problem of the optimal siting and sizing of an ESS is addressed and solved by a software developed by the authors using the particle swarm algorithm, whose objective function is based on the net present value (NPV). The railway line, using a standard working day timetable, has been simulated in order to estimate the power flow between the trains finding the siting and sizing of electrical substations and storage systems suitable for the railway network. Numerical simulations have been performed to test the methodology by assuming a new-generation of high-performance trains on a 3 kV direct current (d.c.) railway line. The solution found represents the best choice from an economic point of view and which allows less energy to be taken from the primary network. Full article
(This article belongs to the Special Issue Modeling and Simulation of Electricity Systems for Transport and Energy Storage)
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15 pages, 3849 KiB  
Article
Use of AMT Transformers and Distributed Storage Systems to Enhance Electrical Feeding Systems for Tramways
by Romano Giglioli, Giovanni Lutzemberger and Luca Sani
Energies 2020, 13(18), 4725; https://doi.org/10.3390/en13184725 - 10 Sep 2020
Viewed by 1919
Abstract
Tramway systems are more and more diffused today, to reduce pollution and greenhouse emissions. However, their electrical feeding substations can have significant margin for improvement. Therefore, it is questionable which kind of changes can be introduced, by changing their main features. First of [...] Read more.
Tramway systems are more and more diffused today, to reduce pollution and greenhouse emissions. However, their electrical feeding substations can have significant margin for improvement. Therefore, it is questionable which kind of changes can be introduced, by changing their main features. First of all, transformer technology can be enhanced, by moving from the standard transformer to the amorphous metal one; thus, guaranteeing a significant reduction in losses. Then, by installing one dedicated storage systems for each substation. This solution can help to increase the energy efficiency; thus, recovering the tram braking energy and reducing the delivered energy from the grid, and also the reliability of the system; thus, guarantee different levels of services, in the case of failure of a feeding substation. This paper investigates in a systematic approach the two proposed solutions. In particular an amorphous metal transformer has been properly designed, and performance compared to the standard one. Then, evaluation of distributed storage installation was performed, and the aspects of reliability for these systems evaluated. Results have shown the general feasibility of the proposed solutions, showing a significant energy saving with respect to the conventional ones. Full article
(This article belongs to the Special Issue Modeling and Simulation of Electricity Systems for Transport and Energy Storage)
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23 pages, 6548 KiB  
Article
Connecting Parking Facilities to the Electric Grid: A Vehicle-to-Grid Feasibility Study in a Railway Station’s Car Park
by Ruben Garruto, Michela Longo, Wahiba Yaïci and Federica Foiadelli
Energies 2020, 13(12), 3083; https://doi.org/10.3390/en13123083 - 15 Jun 2020
Cited by 9 | Viewed by 2794
Abstract
This study evaluates the impact of energy on the distribution network at the point of connection of an electric plant of a railway car parking facility in which charging points for electric vehicles (EVs) were installed. The objective is to identify a possible [...] Read more.
This study evaluates the impact of energy on the distribution network at the point of connection of an electric plant of a railway car parking facility in which charging points for electric vehicles (EVs) were installed. The objective is to identify a possible load curve of the simulated car park and, based on the principle of vehicle-to-grid (V2G) technology, to develop an appropriate algorithm. Such an algorithm explores the possibility of a two-way energy flow between the connected vehicles and the electricity grid, and performs a peak shaving of the load curve of the plant under examination in order to avoid absorption peaks, which are usually difficult to manage when using the distribution system operator (DSO). The work also presents the coupling with a photovoltaic system designed specifically for the car park. The study results are presented after a summary of the current state of development of electric mobility, describing the various types of EVs, the charging infrastructure, and the possible applications in smart grids (SGs). Full article
(This article belongs to the Special Issue Modeling and Simulation of Electricity Systems for Transport and Energy Storage)
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20 pages, 10835 KiB  
Article
A Thermal Investigation and Optimization of an Air-Cooled Lithium-Ion Battery Pack
by Xiongbin Peng, Xujian Cui, Xiangping Liao and Akhil Garg
Energies 2020, 13(11), 2956; https://doi.org/10.3390/en13112956 - 9 Jun 2020
Cited by 45 | Viewed by 4205
Abstract
An effective battery thermal management system (BTMS) is essential to ensure that the battery pack operates within the normal temperature range, especially for multi-cell batteries. This paper studied the optimal configuration of an air-cooling (AC) system for a cylindrical battery pack. The thermal [...] Read more.
An effective battery thermal management system (BTMS) is essential to ensure that the battery pack operates within the normal temperature range, especially for multi-cell batteries. This paper studied the optimal configuration of an air-cooling (AC) system for a cylindrical battery pack. The thermal parameters of the single battery were measured experimentally. The heat dissipation performance of a single battery was analyzed and compared with the simulation results. The experimental and simulation results were in good agreement, which proves the validity of the computational fluid dynamics (CFD) model. Various schemes with different battery arrangements, different positions of the inlet and outlet of the cooling system and the number of inlets and outlets were compared. The results showed that an arrangement that uses a small length-width ratio is more conducive to promoting the performance of the cooling system. The inlet and outlet configuration of the cooling system, which facilitates fluid flow over most of the battery pack over shorter distances is more beneficial to battery thermal management. The configuration of a large number of inlets and outlets can facilitate more flexible adjustment of the fluid flow state and can slow down battery heating to a greater extent. Full article
(This article belongs to the Special Issue Modeling and Simulation of Electricity Systems for Transport and Energy Storage)
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