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Power Quality Monitoring with Energy Saving Goals

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

Deadline for manuscript submissions: 21 August 2024 | Viewed by 565

Special Issue Editors


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Guest Editor
Faculty of Electrical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Interests: power quality; electrical engineering; modeling and simulation
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Electrical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Interests: electrical engineering; signal processing; stochastic systems; applications of artificial intelligence; power quality

Special Issue Information

Dear Colleagues,

The energy transition that we are currently witnessing and the constant increase in demand for electricity mean that issues related to power quality are becoming ever-more critical. Power quality is described as a set of parameters describing the properties of a process of supplying energy to the user under normal operating conditions, determining the continuity of the power supply and characterising the supply voltage. However, the power quality is also related to the receivers’ parameters, such as the harmonic content in currents or absorbed reactive power. These parameters significantly affect voltage degradation and are essential due to losses in energy transmission. Monitoring power quality factors and appropriate decision-making processes or devices can, therefore, impact energy savings by reducing losses. In addition, monitoring quality parameters in the electrical grid can prevent costly failures or predict the production downtime. The measurement results of the analysed grid provide a base for power grid optimization processes involving solutions (e.g., active power filters, UPFCs, compensators) that improve the power quality and reduce losses.

In summary, this Special Issue will collect articles and review papers related to the monitoring and measurement of power quality parameters to save energy. Since monitoring alone does not give any results without further actions, it is also necessary to consider technical solutions, i.e., devices and processes that use the obtained measurements and generate direct or indirect energy savings.

Dr. Dawid Buła
Dr. Dariusz Grabowski
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 quality (PQ)
  • PQ monitoring
  • PQ measurements
  • energy saving
  • power filters
  • PQ improvement
  • reactive power
  • power losses
  • voltage and current distortion

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Published Papers (1 paper)

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Research

17 pages, 3746 KiB  
Article
Advanced Static Var Generator in the Reactive Power Automatic Compensation System of an Underground Mine with a Thyristor Hoisting Machine
by Marian Hyla and Andrzej Latko
Energies 2024, 17(15), 3628; https://doi.org/10.3390/en17153628 - 24 Jul 2024
Viewed by 325
Abstract
In industrial plants with dynamically varying load profiles, the problem of increased charges for over-contracted reactive power consumption is very common. To eliminate these charges, reactive power compensation systems are used. This article presents a case study of an automatic reactive power compensation [...] Read more.
In industrial plants with dynamically varying load profiles, the problem of increased charges for over-contracted reactive power consumption is very common. To eliminate these charges, reactive power compensation systems are used. This article presents a case study of an automatic reactive power compensation system in an underground mine where a thyristor hoisting machine is used. To reduce the higher current harmonics of the hoisting machine and compensate for the reactive power of the PCC (Point of Common Coupling), the main reactive power automatic compensation system and an ASVG (Advanced Static Var Generator) with a nonstandard control loop were used. The article considers aspects of the operation of the ASVG, locally with the hoisting machine, and also as a master-controlled device that is part of the reactive power automatic compensation system. This part of the article is based on measurements taken in a mine. The reactive power automatic compensation system considered in this article has been successfully implemented, improving PQ (Power Quality) and eliminating additional overcompensation charges. Full article
(This article belongs to the Special Issue Power Quality Monitoring with Energy Saving Goals)
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