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Transmission and Distribution

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F6: High Voltage".

Deadline for manuscript submissions: closed (20 December 2021) | Viewed by 18149

Special Issue Editors


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Guest Editor
Retired, Dept. of Electrical Engineering, Technical University of Catalonia, 08028 Barcelona, Spain
Interests: Power System Analysis, Transmission and Distribution, Insulation Coordination, Transient Analysis of Power Systems

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Guest Editor
Dept. of Electrical Engineering, University of Zaragoza, 50018 Zaragoza, Spain
Interests: Power System Analysis, Distribution System Operation and Planning, Forecasting in Power Systems, Renewables, Electricity Markets

Special Issue Information

Dear Colleagues,

Transmission and distribution grids are in middle of an evolution that will change their structures and roles. The de-carbonization of the power system, the penetration of distributed energy resources, and the implementation of the smart grid are just some of the aspects that will impact both transmission and distribution systems. The increasing incorporation of renewable technologies is changing the distribution landscape and passing generation from transmission to distribution level. On the other hand, the construction of HVDC and UHV transmission lines will change the landscape at transmission levels. Large blackouts, difficulties and barriers for developing new transmission capacity, the foreseeable increasing number of electric vehicles, the increasing role of semiconductor-based electronic equipment, the connection of renewable energy generation and storage, the proliferation of sensors (e.g., PMUs) and intelligent electronics devices, or the deployment of the Internet of Things are some of the main issues that have emerged in recent years and will change the landscape of the future power system. This Special Issue aims to provide a vision of the present and future design, control, and performance of transmission and distribution grids. Since explaining and detailing the current situation is very important for understanding the future, reviews and papers demonstrating state-of-the-art developments are very welcome.

Prof. Juan A. Martinez-Velasco
Prof. Dr. Ignacio J. Ramirez-Rosado
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

  • Modelling and simulation 
  • Overhead vs Underground 
  • HVDC and UHV transmission 
  • Application of power electronics devices 
  • Reliability

Published Papers (3 papers)

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Research

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21 pages, 3765 KiB  
Article
Construction and Modeling of Multi-Circuit Multi-Voltage HVAC Transmission Lines
by Agnieszka Dziendziel, Henryk Kocot and Paweł Kubek
Energies 2021, 14(2), 421; https://0-doi-org.brum.beds.ac.uk/10.3390/en14020421 - 14 Jan 2021
Cited by 9 | Viewed by 2625
Abstract
A transmission network’s main objective is to continuously supply electrical energy to consumers. This article presents an analysis of the use of multi-circuit, multi-voltage overhead lines as a compromise between ensuring the system’s safe operation by increasing the transmission network capacity and managing [...] Read more.
A transmission network’s main objective is to continuously supply electrical energy to consumers. This article presents an analysis of the use of multi-circuit, multi-voltage overhead lines as a compromise between ensuring the system’s safe operation by increasing the transmission network capacity and managing the constraints related to its expansion. The considerations presented in this work include the construction of such lines, their operation, and modeling aspects. As part of the study, the potential for improving the environmental conditions around the lines is discussed in terms of the necessary area for their construction and the peak electromagnetic field strength in their vicinity. We also present a mechanical analysis of stress and sag coordination in the individual circuits of these lines. Then, we detail the method for determining the electrical parameters of multi-voltage lines’ series impedances and capacitance. Specific attention is given to the possibility of zero-sequence voltage that occurs in the systems despite the symmetric supply and load of circuits—especially in the circuits with the lowest voltages—that result from the line’s geometric asymmetry. We evaluate the impact of the line’s geometric asymmetry on the power system’s correct operation by determining the asymmetry factors. Finally, the accuracy of using a simplified symmetric model for lines with various geometric asymmetries is analyzed by studying the error of the short-circuit currents. Full article
(This article belongs to the Special Issue Transmission and Distribution)
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Review

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25 pages, 6508 KiB  
Review
Overview and Assessment of HVDC Current Applications and Future Trends
by Andrei Stan, Sorina Costinaș and Georgiana Ion
Energies 2022, 15(3), 1193; https://0-doi-org.brum.beds.ac.uk/10.3390/en15031193 - 07 Feb 2022
Cited by 23 | Viewed by 7924
Abstract
High voltage direct current (HVDC) technology has begun to gather a high degree of interest in the last few decades, showing a fast evolution of achievable voltage levels, transfer capacities, and transmission lengths. All these changes occurred in a context in which power [...] Read more.
High voltage direct current (HVDC) technology has begun to gather a high degree of interest in the last few decades, showing a fast evolution of achievable voltage levels, transfer capacities, and transmission lengths. All these changes occurred in a context in which power system applications are highly dependent on HVDC technologies such as energy generation from renewable sources (e.g., energy generated in offshore wind power plants), power exchanges between asynchronous networks, submarine cables, and long-length transmission overhead lines have become more common worldwide. This paper tries to summarize the current state of HVDC technologies, both voltage-source converters and current-source converters, the main components of converter substations, control strategies, key challenges arising from their use, as well as the future prospects and trends of HVDC applications. This paper represents the first step in setting the background information for analyzing the impact of a VSC-HVDC connection on the stability of the Romanian transmission network during steady-state and dynamic operation. Full article
(This article belongs to the Special Issue Transmission and Distribution)
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28 pages, 1743 KiB  
Review
Series Compensation of Transmission Systems: A Literature Survey
by Camilo Andrés Ordóñez, Antonio Gómez-Expósito and José María Maza-Ortega
Energies 2021, 14(6), 1717; https://0-doi-org.brum.beds.ac.uk/10.3390/en14061717 - 19 Mar 2021
Cited by 26 | Viewed by 6637
Abstract
This paper reviews the basics of series compensation in transmission systems through a literature survey. The benefits that this technology brings to enhance the steady state and dynamic operation of power systems are analyzed. The review outlines the evolution of the series compensation [...] Read more.
This paper reviews the basics of series compensation in transmission systems through a literature survey. The benefits that this technology brings to enhance the steady state and dynamic operation of power systems are analyzed. The review outlines the evolution of the series compensation technologies, from mechanically operated switches to line- and self-commutated power electronic devices, covering control issues, different applications, practical realizations, and case studies. Finally, the paper closes with the major challenges that this technology will face in the near future to achieve a fully decarbonized power system. Full article
(This article belongs to the Special Issue Transmission and Distribution)
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