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Modern Power Distribution Systems
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Modern Power Distribution Systems

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A1: Smart Grids and Microgrids".

Deadline for manuscript submissions: closed (9 May 2023) | Viewed by 7698

Special Issue Editors

Dr. Daniel Pinheiro Bernardon

E-Mail Website
Guest Editor
Technology Center , Federal University of Santa Maria, Santa Maria 97105-900, Brazil
Interests: power distribution systems; smart grids; distributed energy resources; systems modeling and optimization
Prof. Dr. Vinicius Jacques Garcia

E-Mail Website
Guest Editor
Graduate Program in Industrial and Systems Engineering–PPGEP, Federal University of Santa Maria—UFSM, Santa Maria 97105-900, Brazil
Interests: power distribution systems; smart grids; distributed energy resources; systems modeling and optimization

Special Issue Information

Dear Colleagues,

This Special Issue aims to publish original review and research papers on the subject of electric power distribution systems, including contemporary concepts, modelling, simulations, developments, and real applications.

The main topics of interest are distributed energy resources, smart grids, microgrids, new technologies and materials, management systems, optimization and planning, data science, and artificial intelligence applied to electric power distribution systems

Dr. Daniel Pinheiro Bernardon
Prof. Dr. Vinicius Jacques Garcia
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

  • distributed energy resources
  • microgrids
  • planning and operation systems
  • power quality
  • protection and control systems
  • reliability
  • renewable energy
  • smart grids

Published Papers (4 papers)

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Research

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19 pages, 4236 KiB  
Article
Islanding Detection with Reduced Non-Detection Zones and Restoration by Reconfiguration
by Sowmya Ramachandradurai, Narayanan Krishnan, Gulshan Sharma and Pitshou N. Bokoro
Energies 2023, 16(7), 3035; https://doi.org/10.3390/en16073035 - 27 Mar 2023
Viewed by 1042
Abstract
The development and use of PV (Photovoltaic), Wind, and Hydro-based Distributed Generation (DG) is presently on the rise worldwide for improving stability and reliability, and reducing the power loss in the distribution system with reduced emission of harmful gases. A crucial issue addressed [...] Read more.
The development and use of PV (Photovoltaic), Wind, and Hydro-based Distributed Generation (DG) is presently on the rise worldwide for improving stability and reliability, and reducing the power loss in the distribution system with reduced emission of harmful gases. A crucial issue addressed in this article, due to the increased penetration of DGs, is islanding operations. The detection of islanding is performed by a proposed v&f (voltage and frequency) index method. The reliability indices of the IEEE-33 and 118 radial bus distribution system after the detection of islanding by the proposed method is evaluated by considering the islanding issue as customer interruption. To mitigate the islanding, a reconfiguration strategy using Particle Swarm Optimization (PSO) is also performed and the proposed strategy is also evaluated with the conventional reconfiguration strategy of the distribution system. Full article
(This article belongs to the Special Issue Modern Power Distribution Systems)
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23 pages, 18949 KiB  
Article
Recurrent Wavelet Fuzzy Neural Network-Based Reference Compensation Current Control Strategy for Shunt Active Power Filter
by Cheng-I Chen, Yeong-Chin Chen and Chung-Hsien Chen
Energies 2022, 15(22), 8687; https://doi.org/10.3390/en15228687 - 19 Nov 2022
Cited by 2 | Viewed by 1046
Abstract
The usage of a shunt active power filter (SAPF) is one of the helpful means to mitigate the reactive power and harmonic current of a power grid. The compensation performance of the SAPF is related to the accuracy of the reference voltage extraction [...] Read more.
The usage of a shunt active power filter (SAPF) is one of the helpful means to mitigate the reactive power and harmonic current of a power grid. The compensation performance of the SAPF is related to the accuracy of the reference voltage extraction from the utility grid, the control stability of the DC-link voltage regulation, and the synchronization between the source voltage and the reference compensation current. To modify the performance of the SAPF for the harmonic compensation, the control strategy of the SAPF reference compensation current based on the recurrent wavelet fuzzy neural network (RWFNN) is proposed in this paper. There are three sections in the proposed control strategy, including the regulated fundamental positive-sequence extraction (section A), DC-link voltage regulation (section B), and calculation of reference compensation current (section C). By regulating the analysis mechanism with the variation of fundamental frequency in the section A, the accurate reference voltage would be obtained. The control stability for the regulation of the DC-link voltage can be accomplished by applying the RWFNN-based controller in the section B. With the synchronized reference voltage in the section A and the estimated control current in the section B, the reference compensation current can be correctly obtained in the section C. From the case studies with the real-time simulator produced by OPAL-RT Technologies Inc., the effectiveness of proposed control strategy for the SAPF reference compensation current can be verified. Full article
(This article belongs to the Special Issue Modern Power Distribution Systems)
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Review

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33 pages, 2172 KiB  
Review
Electricity Supply Regulations in South America: A Review of Regulatory Aspects
by Robson Porsch Delavechia, Bibiana P. Ferraz, Raul Scapini Weiand, Leonardo Silveira, Maicon Jaderson Silveira Ramos, Laura Lisiane Callai dos Santos, Daniel Pinheiro Bernardon and Rui Anderson Ferrarezi Garcia
Energies 2023, 16(2), 915; https://doi.org/10.3390/en16020915 - 13 Jan 2023
Cited by 3 | Viewed by 1827
Abstract
The quality of electricity is one of the most discussed issues in the regulatory context, structured by guidelines that allow the assessment of efficiency in electricity supply. Regarding electricity distribution systems, it is essential to highlight the aspects associated with the definition of [...] Read more.
The quality of electricity is one of the most discussed issues in the regulatory context, structured by guidelines that allow the assessment of efficiency in electricity supply. Regarding electricity distribution systems, it is essential to highlight the aspects associated with the definition of continuity indicators to measure the service provided by the utilities. The parameters used to calculate the indicators are set by specific agencies in each country based on studies and their characteristics. With the growth in demand for electricity, debates associated with reducing greenhouse gas emissions in the atmosphere, and the increase in Distributed Energy Resources (DERs) connected to the grid, a new trend related to the energy supply is verified. Given these new scenarios, this paper presents a literature review in the regulatory field of existing distribution systems in South American countries. The research proposes to analyze, compare, and expose the current models to evaluate their methods and indicators, including a complete case study in Brazil. This paper seeks to illustrate and point out perspectives, challenges, and future perspectives through the collected and analyzed data. Full article
(This article belongs to the Special Issue Modern Power Distribution Systems)
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15 pages, 3572 KiB  
Review
Review of Bus Differential Protection Using IEC 61850
by Diomar A. C. Lima, Daniel P. Bernardon, Adriano P. Morais, Aécio L. Oliveira, Wagner S. Hokama, Júlia B. R. Conceição and Ângelo F. Sartori
Energies 2022, 15(24), 9537; https://doi.org/10.3390/en15249537 - 15 Dec 2022
Viewed by 2456
Abstract
The electrical power system is susceptible to several faults, which can cause the system to malfunction. Among these, the ones that occur in the busbars of substations stand out. The main bus of a substation can concentrate a large amount of power and [...] Read more.
The electrical power system is susceptible to several faults, which can cause the system to malfunction. Among these, the ones that occur in the busbars of substations stand out. The main bus of a substation can concentrate a large amount of power and many derivations to service electrical loads, making it an element of high importance for the reliability of the system. Although the buses have a low incidence of faults, they are considered critical elements of the electrical power system, as their operating output can cause a large number of forced outages. This situation makes the protection of this component of paramount importance. There are currently two widely used bus differential protection techniques: high-impedance and low-impedance bus differential protection. The second technique is more commonly used due to the possibility of sharing current transformers (CTs). However, the high cost and greater requirements for maintenance makes the differential protection of busbars in distribution or sub-transmission substations unfeasible. With the advent and implementation of the IEC 61850 standard, modern protection systems based on this standard offer significant advantages, such as lower expenses with installation, wiring, commissioning and maintenance; adaptable bus configuration; use of different CT ratios; considerably minimized susceptibility to CT saturation; lower risks of open secondary CT circuits and viability of implantation in distribution substations. The objective of this review is to present an overview of the works found in the literature on substation busbar differential protection, considering classical methods and those based on the IEC 61850 standard. Full article
(This article belongs to the Special Issue Modern Power Distribution Systems)
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