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Energies
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Modeling of Quality, Reliability and Exploitation for Power Supply Systems...
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Modeling of Quality, Reliability and Exploitation for Power Supply Systems - 2nd Edition

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

Deadline for manuscript submissions: 28 August 2024 | Viewed by 4334

Special Issue Editors

Dr. Marek Stawowy

E-Mail Website
Guest Editor
Faculty of Transport, Warsaw University of Technology, 75 Koszykowa St., 00-662 Warsaw, Poland
Interests: data mining; fuzzy theory; reliability engineering; pattern recognition; automotive safety; classification; rough sets; machine learning; continuity quality of power supply; ICT Systems; information quality, systems quality, modeling, uncertainty
Special Issues, Collections and Topics in MDPI journals
Dr. Adam Rosiński

E-Mail Website
Guest Editor
1. Faculty of Transport, Warsaw University of Technology, 75 Koszykowa St., 00-662 Warsaw, Poland
2. Faculty of Electronic, Military University of Technology, 2 gen. S. Kaliskiego St., 00-908 Warsaw, Poland
Interests: maintenance; exploitation, reliability; transport systems telematics; security systems (intrusion alarm systems, CCTV, access control system, systems integration); electromagnetic interference; power supply; modeling
Special Issues, Collections and Topics in MDPI journals
Dr. Zbigniew Kasprzyk

E-Mail Website
Guest Editor
Faculty of Transport, Warsaw University of Technology, 75 Koszykowa St., 00-662 Warsaw, Poland
Interests: telecommunication systems; digital technology; optoelectronics; modeling of transport telematics device functions; analysis of operating systems; fiber optic communications channel (measurement and modernization of these systems); reliability analysis of solutions networks
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We would like to invite you to contribute to this Special Issue of Energies entitled “Modelling of Quality, Reliability and Exploitation for Power Supply Systems and ICT Systems”.

Increasing the level of security of power systems and ICT systems is possible through the use of solutions that improve their reliability and quality. This increment can be achieved by increasing the reliability and quality of system components and/or by using appropriate reliability structures (including redundancy). The first solution makes it possible to reduce the possibility of failure or to achieve a low level of quality system components. The second one leads to tolerating the system's expansion, enabling damage to give higher reliability. Nevertheless, it remains uncertain whether the quality of this system will be higher.

Observations of using power systems and ICT systems allow us to conclude that proper functioning depends not only on the reliability of the components that make up the system but also on the effective management of the operation process and system quality management. Modeling in this area makes it possible to improve the reliability, operational, and quality indicators, thus increasing the security level of the functions performed by power systems and ICT systems. Properly designed transport systems improve the driving style of vehicles, eco-driving, and overall energy efficiency, and detect breakdowns and plan service works. Cost reduction is the biggest problem for carriers, and it is directly related to energy efficiency.

The purpose of this Special Issue is to explore research avenues related to both quality modeling and reliability analysis, and modeling of the operation process of power systems and ICT systems. Articles related to risk analysis, cybersecurity issues, and improving the process of designing power systems and ICT systems are also welcome.

Dr. Marek Stawowy
Dr. Adam Rosiński
Dr. Zbigniew Kasprzyk
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

  • power supply systems
  • ICT systems
  • quality modelling
  • reliability modelling
  • exploitation process modelling
  • maintenance
  • telematics
  • intelligent transport systems (ITS)
  • logistics
  • transport safety
  • smart infrastructure

Published Papers (5 papers)

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Research

18 pages, 3740 KiB  
Article
The Determinant of Time in the Logistical Process of Wind Farm Planning
by Norbert Chamier-Gliszczynski, Joanna Alicja Dyczkowska, Waldemar Woźniak, Marcin Olkiewicz and Roman Stryjski
Energies 2024, 17(6), 1293; https://doi.org/10.3390/en17061293 - 7 Mar 2024
Viewed by 494
Abstract
Planning logistical processes supports the managerial processes of an enterprise, including investments such as wind farm construction. The aim of the article is to analyze and assess the time determinant in the logistical process of wind farm planning. The research method involves the [...] Read more.
Planning logistical processes supports the managerial processes of an enterprise, including investments such as wind farm construction. The aim of the article is to analyze and assess the time determinant in the logistical process of wind farm planning. The research method involves the analysis of a case study on the investment planning of a wind farm (WF) in Poland from 2008 to 2020. The Critical Path Method (CPM) was applied to the planning and scheduling of projects and logistical planning processes at WF Barwice. As a result of the research efforts, which included the identification of stages, time frames, critical paths, and construction conditions, the outcome is a concept for optimizing the logistical process of wind farm planning. The main problem associated with the planning of this investment was the analysis and evaluation of the environmental factors that would impact upon a positive assessment of the construction of WF Barwice. The outcome is the optimization of the time determinant in the logistical process of wind farm planning from 14 years to 10; however, legal, administrative, and environmental constraints have influenced the achieved result. Full article
(This article belongs to the Special Issue Modeling of Quality, Reliability and Exploitation for Power Supply Systems - 2nd Edition)
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19 pages, 2313 KiB  
Article
Power Compatibility of Induction Motors in Industrial Grids Containing Synchronous Generators
by Yuriy Varetsky and Michal Gajdzica
Energies 2024, 17(5), 1066; https://doi.org/10.3390/en17051066 - 23 Feb 2024
Viewed by 612
Abstract
Starting an induction motor causes voltage sag in the industrial grid that may disturb the operation of grid equipment. Direct-on-line starting is the simplest and most cost-effective method for starting induction motors, but also the most problematic. Large industries often use internal power [...] Read more.
Starting an induction motor causes voltage sag in the industrial grid that may disturb the operation of grid equipment. Direct-on-line starting is the simplest and most cost-effective method for starting induction motors, but also the most problematic. Large industries often use internal power plants with synchronous generators and starting powerful motors may impact the generator operations. The synchronous generators could be operated with the automatic or manual mode of voltage control. As the operation experience proves, the generator voltage control mode has a significant impact on the transient behaviours in the industrial power grid when starting a large induction motor. This article presents a case study of the synchronous generator tripping within a true medium-voltage industrial grid during the direct-on-line starting of a large induction motor driving the feed water pump. An analysis of the generator protection logs after the tripping showed that the synchronous generator was controlled in manual mode and its protection relay settings were exceeded. The transients initiated by induction motor starts were studied for possible configurations and operating conditions of the grid using a model developed on the Matlab/Simulink Software platform. The simulations have shown that concern about starting large motors in industrial grids containing internal synchronous generators needs to be solved considering the grid configurations and the coordination of generator protection and control devices. Full article
(This article belongs to the Special Issue Modeling of Quality, Reliability and Exploitation for Power Supply Systems - 2nd Edition)
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22 pages, 5952 KiB  
Article
Modelling the Reliability of Logistics Flows in a Complex Production System
by Bożena Zwolińska and Jakub Wiercioch
Energies 2023, 16(24), 8071; https://doi.org/10.3390/en16248071 - 14 Dec 2023
Viewed by 832
Abstract
This paper analyses the disruptions occurring in a production system determining the operating states of a single machine. A system with a convergent production character, in which both single flows (streams) and multi-stream flows occur, was considered. In this paper, a two-level formalisation [...] Read more.
This paper analyses the disruptions occurring in a production system determining the operating states of a single machine. A system with a convergent production character, in which both single flows (streams) and multi-stream flows occur, was considered. In this paper, a two-level formalisation of the production system (PS) was made according to complex systems theory. The continuity analysis was performed at the operational level (manufacturing machine level). The definition of the kth survival value and the quasi-coherence property defined on chains of synchronous relations were used to determine the impact of interruption of the processed material flow on uninterrupted machine operation. The developed methodology is presented in terms of shaping the energy efficiency of technical objects with the highest power demand (the furnace of an automatic paint shop and the furnace of a glass tempering line were taken into consideration). The proposed methodology is used to optimise energy consumption in complex production structures. The model presented is utilitarian in nature—it can be applied to any technical system where there is randomness of task execution times and randomness of unplanned events. This paper considers the case in which two mutually independent random variables determining the duration of correct operation TP and the duration of breakdown TB are determined by a given distribution: Gaussian and Gamma family distributions (including combinations of exponential and Erlang distributions). A formalised methodology is also developed to determine the stability of system operation, as well as to assess the potential risk for arbitrary system evaluation parameters. Full article
(This article belongs to the Special Issue Modeling of Quality, Reliability and Exploitation for Power Supply Systems - 2nd Edition)
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24 pages, 5358 KiB  
Article
Application of the Energy Efficiency Mathematical Model to Diagnose Photovoltaic Micro-Systems
by Wiktor Olchowik, Marcin Bednarek, Tadeusz Dąbrowski and Adam Rosiński
Energies 2023, 16(18), 6746; https://doi.org/10.3390/en16186746 - 21 Sep 2023
Cited by 1 | Viewed by 805
Abstract
The intensive development of photovoltaic (PV) micro-systems contributes to increased interest in energy efficiency and diagnosing the condition of such solutions. Optimizing system energy efficiency and servicing costs are particularly noteworthy among the numerous issues associated with this topic. This research paper addresses [...] Read more.
The intensive development of photovoltaic (PV) micro-systems contributes to increased interest in energy efficiency and diagnosing the condition of such solutions. Optimizing system energy efficiency and servicing costs are particularly noteworthy among the numerous issues associated with this topic. This research paper addresses the easy and reliable diagnosis of PV system malfunctions. It discusses the original PV system energy efficiency simulation model with proprietary methods for determining total solar irradiance on the plane of cells installed at any inclination angle and azimuth, as well as PV cell temperature and efficiency as a function of solar irradiance. Based on this simulation model, the authors developed procedures for the remote diagnosis of PV micro-systems. Verification tests covered two independent PV systems over the period from April 2022 to May 2023. The obtained results confirm the high credibility level of both the adopted energy efficiency simulation model and the proposed method for diagnosing PV system functional status. Full article
(This article belongs to the Special Issue Modeling of Quality, Reliability and Exploitation for Power Supply Systems - 2nd Edition)
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27 pages, 4318 KiB  
Article
Quantitative and Comparative Analysis of Energy Consumption in Urban Logistics Using Unmanned Aerial Vehicles and Selected Means of Transport
by Anna Kwasiborska, Anna Stelmach and Izabela Jabłońska
Energies 2023, 16(18), 6467; https://doi.org/10.3390/en16186467 - 7 Sep 2023
Cited by 1 | Viewed by 1151
Abstract
Cities are moving towards sustainable development, which consists of tasks and challenges to improve the quality of life, and minimize energy consumption. The concept of sustainable mobility includes the choice of means of transport other than the car for all journeys, especially short [...] Read more.
Cities are moving towards sustainable development, which consists of tasks and challenges to improve the quality of life, and minimize energy consumption. The concept of sustainable mobility includes the choice of means of transport other than the car for all journeys, especially short distances, and for the delivery of goods. Due to the growing populations of cities, lack of free space, and high costs of building infrastructure for traditional means of transport, cities are looking for modern solutions that allow for the cheap, fast, and green transportation of people and goods. Urban air mobility is the answer to these problems, and uses eVTOL (electric vertical take-off and landing) aircraft and unmanned aerial vehicle systems (UAVs). The article’s main purpose is to present an energy efficiency analysis using UAVs and electric scooters in the transport of takeaway food, which is a solution that fits into the zero-emission transport policy. The article presents the following research problem: which type of electric transport (scooters/UAVs) shows a lower demand for electric energy when delivering food from restaurants to individual customers? The analysis method was applied using the D’Andrea, Dorling, Figliozzi, Kirchstein, and Tseng energy models. The completed calculations were used to perform a comparative analysis of energy consumption for three adopted scenarios related to energy consumption by drones. Full article
(This article belongs to the Special Issue Modeling of Quality, Reliability and Exploitation for Power Supply Systems - 2nd Edition)
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