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Applied Sciences
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Safety, Security and Reliability of Electrical Power Systems: Latest Advances...
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Safety, Security and Reliability of Electrical Power Systems: Latest Advances and Prospects

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: closed (25 July 2023) | Viewed by 3488

Special Issue Editors

Dr. Gaetano Zizzo

E-Mail Website
Guest Editor
Department of Engineering, University of Palermo, Building 9, 90128 Palermo, Italy
Interests: smart grids; energy blockchain; vehicle-to-grid; demand response; energy services; renewables integration in power system; energy communities
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Massimo Mitolo

E-Mail Website
Guest Editor
School of Integrated Design, Engineering and Automation Irvine Valley College, 5500 Irvine Center Dr, Irvine, CA 92618, USA
Interests: electrical safety; power systems analysis; renewable energy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In such a complex era, reliability and security of power systems at all voltage levels have become a primary issue for transmission and distribution system operators and for customers.

A deep transformation is occurring in the power generation sector due to the main role of renewables and, at the same time, the penetration of power electronics and ICT in the power sector is posing new challenges for the management, protection and control of power systems.

On the other hand, many grids present still several safety issues caused by components aging.

In this context, this Special Issue aims to present a collection of works dealing with the theme of Safety, Security and Reliability of Electrical Power Systems, looking both at the current state of the art and, mainly, at the latest advances and prospects.

The topics of interest include, but are not limited to:

  • New solutions for enhancing safety in smart grids;
  • Reliability of power systems to extreme weather, fires and earthquakes;
  • Security of supply;
  • Reliability and Security against cyber attacks;
  • Safety issues in DC microgrids;
  • Safety issues in DC systems.

Dr. Gaetano Zizzo
Prof. Dr. Massimo Mitolo
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. Applied Sciences 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 2400 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.

Published Papers (3 papers)

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Research

16 pages, 2334 KiB  
Article
Reliability Evaluation Method of Multi-Voltage Levels Distribution System Considering the Influence of Sense-Control Terminal Faults
by Jing Zuo, Shucan Zhou, Zhengyang Xu, Chong Gao, Siguang Zheng and Peidong Chen
Appl. Sci. 2023, 13(21), 11761; https://doi.org/10.3390/app132111761 - 27 Oct 2023
Viewed by 564
Abstract
With the existing reliability evaluation methods, it is difficult to realize the overall evaluation of multi-voltage levels distribution systems, and sense-control terminal faults are not considered in the process of reliability evaluation. Therefore, a reliability evaluation method for multi-voltage levels distribution networks considering [...] Read more.
With the existing reliability evaluation methods, it is difficult to realize the overall evaluation of multi-voltage levels distribution systems, and sense-control terminal faults are not considered in the process of reliability evaluation. Therefore, a reliability evaluation method for multi-voltage levels distribution networks considering the influence of the fault of the sensing and control terminal is proposed. Firstly, based on the component reliability model, system state selection method, and reliability index, a reliability evaluation method for distribution networks considering sense-control terminal faults has been proposed. Secondly, the features of a multi-voltage levels distribution network are analyzed. The sequential Monte Carlo simulation method and the failure mode effects analysis method are combined, and a collaborative evaluation method for power supply reliability of multi-voltage levels distribution systems is proposed. Eventually, the effectiveness of the proposed method is proved by an example comparison, and the impact of the terminal fault on the reliability of distribution network is analyzed. The reliability evaluation results can provide technical support for the planning of the distribution network. Full article
(This article belongs to the Special Issue Safety, Security and Reliability of Electrical Power Systems: Latest Advances and Prospects)
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13 pages, 1563 KiB  
Article
Power System Reliability Evaluation Based on Chronological Booth–Baleriaux Method
by Hyobin Oh, Hansol Shin, Kyuhyeong Kwag, Pyeongik Hwang and Wook Kim
Appl. Sci. 2023, 13(14), 8548; https://doi.org/10.3390/app13148548 - 24 Jul 2023
Viewed by 1012
Abstract
The complexity of modern power systems is increasing because of the development of various intermittent generators. In practical reliability evaluations, it is essential to include both the failure of conventional generators and the output characteristics of renewable energy; the use of the latter [...] Read more.
The complexity of modern power systems is increasing because of the development of various intermittent generators. In practical reliability evaluations, it is essential to include both the failure of conventional generators and the output characteristics of renewable energy; the use of the latter has increased rapidly. The weather-dependent nature of renewable energy output, which is inexplicable in the load duration curve method, highlights the need for further study of the methods of a reliability evaluation that can consider temporal characteristics. This paper proposes a deterministic reliability evaluation method based on the Booth–Baleriaux method, chronologically extended to address the preventative maintenance schedule of a generator and the characteristics of renewable energy. The proposed method was applied to an IEEE reliability test system for performance verification, and a reliability evaluation was performed considering various chronological patterns. The proposed method was also applied to determine the adequate capacity reserve that should be installed in a Korean power system. The proposed method is stable, and it produced robust results. Full article
(This article belongs to the Special Issue Safety, Security and Reliability of Electrical Power Systems: Latest Advances and Prospects)
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21 pages, 7500 KiB  
Article
On the Characteristics of EMTR as a Correlation-Estimator-Based Fault Location Method in Transmission Lines
by Akif Nadeem, Yanzhao Xie, Shaoyin He, Ning Dong, Pietro Caccavella and Maria Saleem
Appl. Sci. 2023, 13(1), 280; https://doi.org/10.3390/app13010280 - 26 Dec 2022
Viewed by 1402
Abstract
Methods based on electromagnetic time reversal (EMTR) have recently demonstrated promising results. In particular, EMTR, as a correlation estimator metric, has offered a quantitative definition for fault location candidates. As the correlation estimator already obtains the system transfer functions by simulating fault occurrences, [...] Read more.
Methods based on electromagnetic time reversal (EMTR) have recently demonstrated promising results. In particular, EMTR, as a correlation estimator metric, has offered a quantitative definition for fault location candidates. As the correlation estimator already obtains the system transfer functions by simulating fault occurrences, these functions are subsequently correlated with the fault-generated transfer function. Therefore, it is necessary to explore the analysis related to the pre-fault processing of this metric. Firstly, the impact of fault impedance mismatch between the fault occurrence and fault estimation stages was investigated, and a simple approach is presented after observing the fault locations’ error. Secondly, it was noticed that the existing correlation estimator approach does not accurately identify fault types; therefore, a pseudo approach was developed to address this issue. Finally, the spatial step considered during the fault estimation stage was investigated. It is demonstrated that larger spatial steps result in inaccuracies in fault location. The smaller spatial steps improved the performance, but increased the memory burden on the data storage devices, especially when simple and pseudo approaches must be employed. The memory issue was resolved by presenting a hybrid approach that makes use of regression analysis. A single-phase and a three-phase lossy transmission line system were used to illustrate the proposed analyses. Full article
(This article belongs to the Special Issue Safety, Security and Reliability of Electrical Power Systems: Latest Advances and Prospects)
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