Recent Advances in Power Quality Improvement

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Power Electronics".

Deadline for manuscript submissions: closed (15 June 2023) | Viewed by 7121

Special Issue Editors

Department of Electrical and Computer Engineering, University of Campinas, Campinas 13083-872, Brazil
Interests: power quality; distributed energy resources; microgrids

Special Issue Information

Dear Colleagues,

With the increasing penetration of power-electronics-based technologies (e.g., wind and photovoltaic generators, electric vehicle chargers, energy storage systems) in distribution systems, new power quality issues are emerging. These include new types of resonance and different patterns of steady-state voltage behavior in distribution feeders. Utilities and system operators are aware of these power quality issues in the circuit, especially due to the increased availability of measurement data in modern power systems. As a result, it is essential to develop techniques that take advantage of these available data and provide actionable information for utilities to anticipate and mitigate such power quality issues.

This Special Issue aims to gather articles which cover a vast range of applications for different types of measurement data (rms, phasor, and waveform measurements) available in modern power systems, which shall include (but are not limited to) measurement-based methods to anticipate, detect and mitigate new power quality issues that are emerging in circuits with a high penetration of inverter-based resources (IBRs). These issues include resonances that can become weakly damped or unstable due to the negative resistance characteristics provided by modern technologies, steady-state voltage violations due to the integration of IBRs and electric vehicles, and increased risk of abnormal transients during the connection of these components. Although this Special Issue is focused on methods to manage and analyze power quality issues that emerged with the integration of new technologies in the system, new methods and approaches to detect and mitigate traditional power quality issues such as voltage sags/swells, flicker and voltage unbalance are also welcome. Modeling of these new components for power quality studies, experimental validations of these models and real case studies on how utilities identified and solved these power quality issues are also within the scope of this Special Issue.

Dr. Alexandre Nassif
Dr. Ricardo Torquato
Guest Editors

Manuscript Submission Information

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Keywords

  • power quality
  • data analytics
  • inverter-based resources

Published Papers (3 papers)

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Research

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22 pages, 8189 KiB  
Article
A New Control for Improving the Power Quality Generated by a Three-Level T-Type Inverter
by Brahim Deffaf, Naamane Debdouche, Habib Benbouhenni, Farid Hamoudi and Nicu Bizon
Electronics 2023, 12(9), 2117; https://doi.org/10.3390/electronics12092117 - 05 May 2023
Cited by 7 | Viewed by 1892
Abstract
A new controller based on a fractional-order synergetic controller (FOSC) is proposed for a three-level T-type inverter using a shunt active power filter (SAPF). The SAPF is designed to compensate for the reactive power and eliminate the current harmonics caused by non-linear loads, [...] Read more.
A new controller based on a fractional-order synergetic controller (FOSC) is proposed for a three-level T-type inverter using a shunt active power filter (SAPF). The SAPF is designed to compensate for the reactive power and eliminate the current harmonics caused by non-linear loads, in cases of distorted or unbalanced source voltages. The proposed FOSC technique with the designed parameters and defined macro-variable is a robust control technique that operates well in both transient and steady-state scenarios, ensuring fast convergence and closed-loop system stability. The FOSC technique utilizes a phase-locked loop (PLL) technique on a self-tuning filter (STF) to enhance the SAPF’s ability to compensate current harmonics and reactive power in all situations involving non-linear loads and source voltage variations according to IEEE Std. 519. The proposed control was implemented and verified using Matlab software, where the obtained results were compared with the results of the conventional control based on proportional-integral (PI) controllers in different operating conditions. The results indicate that the proposed FOSC technique outperformed the traditional control in terms of DC voltage tracking and the minimization of the total harmonic distortion of the current. Full article
(This article belongs to the Special Issue Recent Advances in Power Quality Improvement)
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15 pages, 2586 KiB  
Article
Valuing Resilience Benefits of Microgrids for an Interconnected Island Distribution System
by Alexandre B. Nassif, Sean Ericson, Chad Abbey, Robert Jeffers, Eliza Hotchkiss and Shay Bahramirad
Electronics 2022, 11(24), 4206; https://doi.org/10.3390/electronics11244206 - 16 Dec 2022
Cited by 6 | Viewed by 1584
Abstract
Extreme climate-driven events such as hurricanes, floods, and wildfires are becoming more intense in areas exposed to these threats, requiring approaches to improve the resilience of the electrical infrastructure serving these communities. Long-duration outages caused by such high impact events propagate to economic, [...] Read more.
Extreme climate-driven events such as hurricanes, floods, and wildfires are becoming more intense in areas exposed to these threats, requiring approaches to improve the resilience of the electrical infrastructure serving these communities. Long-duration outages caused by such high impact events propagate to economic, health, and social consequences for communities. As essential service providers, electric utilities are mandated to provide safe, economical and reliable electricity to their customers. The public is becoming less tolerant to these more frequent disruptions, especially in view of technological advances that are intended to improve power quality, reliability and resilience. One promising solution is state-of-the-art microgrids and the advanced controls employed therein. This paper presents and demonstrates an approach to technoeconomic analysis that can be used to value the avoided economic consequences of grid resilience investments, as applied to the islands of Vieques and Culebra in Puerto Rico. This valuation methodology can support policies to incorporate resilience value into any investment decision-making process, especially those which serve the public interest. Full article
(This article belongs to the Special Issue Recent Advances in Power Quality Improvement)
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Review

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16 pages, 1035 KiB  
Review
A Review of Distribution System State Estimation Methods and Their Applications in Power Systems
by Joddumahanthi Vijaychandra, Bugatha Ram Vara Prasad, Vijaya Kumar Darapureddi, Bathina Venkateswara Rao and Łukasz Knypiński
Electronics 2023, 12(3), 603; https://doi.org/10.3390/electronics12030603 - 26 Jan 2023
Cited by 8 | Viewed by 3291
Abstract
This paper summarizes a review of the distribution system state estimation (DSSE) methods, techniques, and their applications in power systems. In recent years, the implementation of a distributed generation has affected the behavior of the distribution networks. In order to improve the performance [...] Read more.
This paper summarizes a review of the distribution system state estimation (DSSE) methods, techniques, and their applications in power systems. In recent years, the implementation of a distributed generation has affected the behavior of the distribution networks. In order to improve the performance of the distribution networks, it is necessary to implement state estimation methods. As transmission networks and distribution networks are not similar due to variations in line parameters, buses, and measuring instruments, transmission state estimation cannot be implemented in distribution state estimation. So, some aspects, such as accuracy, computational time, and efficiency, should be taken into account when designing distribution state estimation methods. In this paper, the traditional methods are reviewed and analyzed with data-driven techniques in order to present the advantages and disadvantages of the various methods. Full article
(This article belongs to the Special Issue Recent Advances in Power Quality Improvement)
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