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Energies
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Enhancing Power System Transient Stability
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Enhancing Power System Transient Stability

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F1: Electrical Power System".

Deadline for manuscript submissions: closed (15 February 2022) | Viewed by 5865

Special Issue Editor

Dr. Ali Nabavi

E-Mail Website
Guest Editor
Dept. of Electerical and Computer Engineering, University of Toronto, Toronto, ON M5S 3G4, Canada
Interests: power systems; smart grid; power electronics

Special Issue Information

Dear Colleagues,

In an effort to modernize the electrical grid, electric power systems are integrating new transmission and distribution technologies such as synchrophasors, fast excitation systems, FACTS devices, distributed smart inverter-based solar, wind generators, and battery storage with advanced controls, resulting in a better observable and controllable end to end power grid. Enhancing transient stability is a primary concern for electrical engineers to maintain the continuous operation of power systems.

Massive deployment of long distance HVDC lines move large amounts of power from remote areas to densely populated load centers. This combination of electronics-based power controllers, and faster wide-area monitoring systems generate new opportunities to enhance power system transient stability. This Special Issue invites experts from around the world to report about recent applications aiming at enhancing power system transient stability through supplementary control of electronics-based power transmission, distribution, and renewable generation systems.

This Special Issue aims to bring together innovative developments and synergies in the field of enhancing power system transient stability.

Submit your paper and select the Journal “Energies” and the Special Issue “Enhancing Power System Transient Stability” via: MDPI submission system. Please contact the special issue editor ([email protected]) for any queries. Our papers will be published on a rolling basis and we will be pleased to receive your submission once you have finished it.

Dr. Ali Nabavi
Guest Editor

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

  • Hybrid AC/DC microgrid
  • FACTS
  • Real-time digital simulation
  • Lyapunov method
  • Power systems stabilizer
  • Wide-area measurements

Published Papers (2 papers)

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Research

21 pages, 35176 KiB  
Article
A Hybrid Optimization Algorithm for Solving of the Unit Commitment Problem Considering Uncertainty of the Load Demand
by Aml Sayed, Mohamed Ebeed, Ziad M. Ali, Adel Bedair Abdel-Rahman, Mahrous Ahmed, Shady H. E. Abdel Aleem, Adel El-Shahat and Mahmoud Rihan
Energies 2021, 14(23), 8014; https://doi.org/10.3390/en14238014 - 30 Nov 2021
Cited by 11 | Viewed by 1933
Abstract
Unit commitment problem (UCP) is classified as a mixed-integer, large combinatorial, high-dimensional and nonlinear optimization problem. This paper suggests solving the UCP under deterministic and stochastic load demand using a hybrid technique that includes the modified particle swarm optimization (MPSO) along with equilibrium [...] Read more.
Unit commitment problem (UCP) is classified as a mixed-integer, large combinatorial, high-dimensional and nonlinear optimization problem. This paper suggests solving the UCP under deterministic and stochastic load demand using a hybrid technique that includes the modified particle swarm optimization (MPSO) along with equilibrium optimizer (EO), termed as MPSO-EO. The proposed approach is tested firstly on 15 benchmark test functions, and then it is implemented to solve the UCP under two test systems. The results are basically compared to that of standard EO and previously applied optimization techniques in solving the UCP. In test system 1, the load demand is deterministic. The proposed technique is in the best three solutions for the 10-unit system with cost savings of 309.95 USD over standard EO and for the 20-unit system it shows the best results over all algorithms in comparison with cost savings of 1951.5 USD over standard EO. In test system 2, the load demand is considered stochastic, and only the 10-unit system is studied. The proposed technique outperforms the standard EO with cost savings of 40.93 USD. The simulation results demonstrate that MPSO-EO has fairly good performance for solving the UCP with significant total operating cost savings compared to standard EO compared with other reported techniques. Full article
(This article belongs to the Special Issue Enhancing Power System Transient Stability)
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48 pages, 3525 KiB  
Article
Extended Equal Area Criterion Revisited: A Direct Method for Fast Transient Stability Analysis
by Alireza Bahmanyar, Damien Ernst, Yves Vanaubel, Quentin Gemine, Camille Pache and Patrick Panciatici
Energies 2021, 14(21), 7259; https://doi.org/10.3390/en14217259 - 03 Nov 2021
Cited by 5 | Viewed by 3032
Abstract
For transient stability analysis of a multi-machine power system, the Extended Equal Area Criterion (EEAC) method applies the classic Equal Area Criterion (EAC) concept to an approximate One Machine Infinite Bus (OMIB) equivalent of the system to find the critical clearing angle. The [...] Read more.
For transient stability analysis of a multi-machine power system, the Extended Equal Area Criterion (EEAC) method applies the classic Equal Area Criterion (EAC) concept to an approximate One Machine Infinite Bus (OMIB) equivalent of the system to find the critical clearing angle. The system-critical clearing time can then be obtained by numerical integration of OMIB equations. The EEAC method was proposed in the 1980s and 1990s as a substitute for time-domain simulation for Transmission System Operators (TSOs) to provide fast, transient stability analysis with the limited computational power available those days. To ensure the secure operation of the power system, TSOs have to identify and prevent potential critical scenarios through offline analyses of a few dangerous ones. These days, due to increased uncertainties in electrical power systems, the number of these critical scenarios is increasing, substantially, calling for fast, transient stability analysis techniques once more. Among them, the EEAC is a unique approach that provides not only valuable information, but also a graphical representation of system dynamics. This paper revisits the EEAC but from a modern, functional point of view. First, the definition of the OMIB model of a multi-machine power system is redrawn in its general form. To achieve fast, transient stability analysis, EEAC relies on approximate models of the true OMIB model. These approximations are clarified, and the EAC concept is redefined with a general definition for instability, and its conditions. Based on the defined conditions and definitions, functions are developed for each EEAC building block, which are later put out together to provide a full-resolution, functional scheme. This functional scheme not only covers the previous literature on the subject, but also allows to introduce several possible new EEAC approaches and provides a detailed description of their implementation procedure. A number of approaches are applied to the French EHV network, and the approximations are examined. Full article
(This article belongs to the Special Issue Enhancing Power System Transient Stability)
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