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Advanced Technologies for Modeling, Optimization and Control of the Distribution Grid

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

Deadline for manuscript submissions: 30 November 2024 | Viewed by 1128

Special Issue Editors


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Guest Editor
University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, Kneza Trpimira 2B, Osijek, Croatia
Interests: power system reliability; power system stability; power system protection; artificial intelligence; demand response

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Guest Editor
Computer Science and Information Technology Osijek, Faculty of Electrical Engineering, University of Osijek, Kneza Trpimira 2B, Osijek, Croatia
Interests: power system operation; power system control; energy audits; public lighting; energy efficiency

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Guest Editor
Faculty of Electrical Engineering and Computing, University of Zagreb, Unska 3, 10000 Zagreb, Croatia
Interests: power system control; power system analysis; power system stability; power system dynamics; power quality; smart grids

Special Issue Information

Dear Colleagues,

The integration of renewable energy sources (RESs) with new nonlinear and (un)balanced loads has significantly increased the complexity of the topology and operational control of the distribution grid. The idea of improving energy efficiency by locating power generation close to consumption (distributed generation, DG) changes the traditional classification of the distribution grid as passive. The allocation of DG is a multiobjective optimization problem with voltage and power loss constraints as well as ratings of the existing topological configuration. The significant increase of DG in the last decade opens the possibility of reactive power control using DG sources. The stochastic generation of RESs implies the integration of energy storage systems and thus the self-sufficiency of the distribution grid with the possibility of island operation. The integration of new, nonlinear and (un)balanced loads (single-phase and three-phase electric vehicle charging stations) can have a significant impact on power quality and voltage stability, leading to a change in the existing topological configuration and ratings. On the contrary, the implementation of FACTS devices can significantly improve the voltage stability. In order to achieve more efficient and sustainable operation of the distribution grid in consideration of the above aspects, this Special Issue aims to present advanced methods for modelling of passive and active distribution grid components, optimization techniques for the allocation of DG with the possibility of reactive power control, energy storage management systems, and anti-island control modalities.

Topics of interest for publication include:

  • Modeling of new (un)balanced and nonlinear loads and FACTS devices and their influence on distribution grid operation;
  • Optimization techniques for new DG sources allocation in distribution grids;
  • Reactive power control techniques with DG and/or FACTS devices in distribution grids;
  • Optimization techniques for energy storage systems in distribution grids;
  • Anti-island control strategies for distribution grids.

Prof. Dr. Predrag Marić
Dr. Hrvoje Glavas
Prof. Dr. Ivica Pavić
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

  • distribution grid model
  • nonlinear and unbalanced loads
  • distribution generation
  • energy storage systems
  • FACTS devices
  • optimization techniques
  • reactive power control
  • anti-island control

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Published Papers (1 paper)

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Research

16 pages, 2888 KiB  
Article
SVC Control Strategy for Transient Stability Improvement of Multimachine Power System
by Anica Šešok and Ivica Pavić
Energies 2024, 17(17), 4224; https://doi.org/10.3390/en17174224 - 23 Aug 2024
Viewed by 620
Abstract
The increase in renewable energy sources (RESs) in power systems is causing significant changes in their dynamic behavior. To ensure the safe operation of these systems, it is necessary to develop new methods for preserving transient stability that follow the new system dynamics. [...] Read more.
The increase in renewable energy sources (RESs) in power systems is causing significant changes in their dynamic behavior. To ensure the safe operation of these systems, it is necessary to develop new methods for preserving transient stability that follow the new system dynamics. Fast-response devices such as flexible AC transmission systems (FACTSs) can improve the dynamic response of power systems. One of the most frequently used FACTS devices is the Static Var Compensator (SVC), which can improve a system’s transient stability with a proper control strategy. This paper presents a reactive power control strategy for an SVC using synchronized voltage phasor measurements and particle swarm optimization (PSO) to improve the transient stability of a multimachine power system. The PSO algorithm is based on the sensitivity analysis of bus voltage amplitudes and angles to the reactive power of the SVC. It determines the SVC reactive power required for damping active power oscillations of synchronous generators in fault conditions. The sensitivity coefficients can be determined in advance for the characteristic switching conditions of the influential part of the transmission network, and with the application of the PSO algorithm, enable quick and efficient finding of a satisfactory solution. This relatively simple and fast algorithm can be applied in real time. The proposed control strategy is tested on the IEEE 14-bus system using DIgSILENT PowerFactory. The simulation results show that an SVC with the proposed control strategy effectively minimizes the rotor angle oscillations of generators after large disturbances. Full article
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