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Electronics
Special Issues
Compatibility, Power Electronics and Power Engineering
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Compatibility, Power Electronics and Power Engineering

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

Deadline for manuscript submissions: 15 October 2024 | Viewed by 1950

Special Issue Editors

Dr. Paweł Górecki

E-Mail Website
Guest Editor
Department of Marine Electronics, Gdynia Maritime University, 81-225 Gdynia, Poland
Interests: power electronics; modelling; thermal phenomena; IGBTs; semiconductor devices
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Krzysztof Górecki

E-Mail Website
Guest Editor
Department of Marine Electronics, Faculty of Electrical Engineering, Gdynia Maritime University, Morska 83, 81-225 Gdynia, Poland
Interests: power electronics; power converters; wireless power transfer; energy storage technology; magnetic elements; modelling electronic components and systems; IGBT; MOSFET; BJT; power LEDs; electrothermal analysis
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Kalina Detka

E-Mail Website
Guest Editor
Department of Marine Electronics, Faculty of Electrical Engineering, Gdynia Maritime University, Morska 83, 81-225 Gdynia, Poland
Interests: power electronics; power converters; wireless power transfer; energy storage technology; magnetic elements; modelling electronic components
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The rapid development of power electronics is leading to increased amounts of research in a number of areas. Spanning power generation systems via distribution systems and power converters to the load, all these stages must be highly efficient, reliably designed, and compatible with each other. To increase the penetration of renewable energy systems, development is required in the area of power distribution, but this also causes challenges in electromagnetic compatibility and the effective design of power electronics converters operating in harsh conditions. This Special Issue aims to concentrate on recent developments and work as a platform to allow researchers to discuss and share their experiences in the areas of compatibility, power electronics, and power engineering. Topics of interest for this Special Issue include, but are not limited to, the following:

  • Power generation, transmission, and distribution;
  • Power electronics and applications;
  • Smart grids technologies and applications;
  • Renewable energies;
  • Energy storage technologies;
  • Distributed power generation systems communication, security, and smart metering;
  • Electrical machines and adjustable speed drives;
  • Transport electrification;
  • Electric mobility;
  • Energy market;
  • EMI and EMC issues;
  • Power semiconductor devices.

Dr. Paweł Górecki
Prof. Dr. Krzysztof Górecki
Prof. Dr. Kalina Detka
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. Electronics 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.

Keywords

  • power electronics
  • power engineering
  • power generation
  • power distribution
  • smart grids
  • renewable energies
  • energy storage
  • EMI
  • EMC
  • power semiconductor devices

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Published Papers (4 papers)

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Research

37 pages, 4978 KiB  
Article
Harmonic State Estimation in Power Systems Using the Jaya Algorithm
by Walace do Nascimento Sepulchro and Lucas Frizera Encarnação
Electronics 2024, 13(17), 3559; https://doi.org/10.3390/electronics13173559 - 7 Sep 2024
Viewed by 303
Abstract
The increasing use of nonlinear loads in power systems introduces voltage and current components at non-fundamental frequencies, leading to harmonic distortion, which negatively impacts electrical and electronic devices. A common mitigation strategy involves identifying harmonic sources and installing filters nearby. However, due to [...] Read more.
The increasing use of nonlinear loads in power systems introduces voltage and current components at non-fundamental frequencies, leading to harmonic distortion, which negatively impacts electrical and electronic devices. A common mitigation strategy involves identifying harmonic sources and installing filters nearby. However, due to the high cost of power quality (PQ) meters, comprehensive harmonic level monitoring across the entire power system is impractical. To address this, various methodologies for Harmonic State Estimation (HSE) have been developed, which estimate distortion levels on unmonitored system buses using data from a minimal set of monitored ones. Many HSE techniques rely on optimization algorithms with numerous tuning parameters, complicating their application. This paper proposes a novel methodology for fundamental frequency power flow and harmonic state estimation using the Jaya algorithm, which is characterized by fewer tuning parameters for easier adjustment. It also introduces a strategy to determine the minimal number of buses that need monitoring to achieve system observability. The methodology is validated on the IEEE-14 and IEEE-30 bus systems, demonstrating its effectiveness. The results of the proposed methodology are compared with those obtained using Evolutionary Strategies (ESs), highlighting its enhanced accuracy and computational efficiency. Full article
(This article belongs to the Special Issue Compatibility, Power Electronics and Power Engineering)
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17 pages, 3358 KiB  
Article
A Method for Power Flow Calculation in AC/DC Hybrid Distribution Networks Considering the Electric Energy Routers Based on an Alternating Iterative Approach
by Jie Zhao, Jinqiu Dou, Yunzhao Wu, Huaimin Xia, Qing Duan, Xuzhu Dong and Yiyang Zhang
Electronics 2024, 13(17), 3384; https://doi.org/10.3390/electronics13173384 - 26 Aug 2024
Viewed by 444
Abstract
With the advancement of new power system construction, distribution networks are gradually transforming from being a simple energy receiver and distributor to being an integrated power network that integrates sources, networks, loads, and energy storage with interactive and flexible coupling with the upper-level [...] Read more.
With the advancement of new power system construction, distribution networks are gradually transforming from being a simple energy receiver and distributor to being an integrated power network that integrates sources, networks, loads, and energy storage with interactive and flexible coupling with the upper-level power grid. However, traditional distribution networks lack active control and distribution capabilities, failing to meet the demands of network transformation and upgrading. To address this issue, this paper proposes a method for solving AC/DC power flow calculation considering an electric energy router (EER) based on an alternating iterative method. Initially, the model for the multi-port EER and three types of power flow models for the AC distribution network, DC distribution network, and EER are constructed. By leveraging the properties of the EER and the hybrid power flow calculation model, a method is proposed for calculating the power flow in the AC/DC hybrid distribution network considering the EER. Finally, by solving the power flow in a medium- and low-voltage AC/DC distribution system, the adaptability of the proposed method is compared. The results demonstrate that the AC/DC hybrid distribution network power flow calculation method established in this paper, which incorporates the EER, possesses high accuracy and adaptability, with an error margin of less than 0.05%. Full article
(This article belongs to the Special Issue Compatibility, Power Electronics and Power Engineering)
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19 pages, 5955 KiB  
Article
Practical Verification of Diagnostic Capabilities of Methods for the Recreation of Voltage Fluctuations
by Piotr Kuwałek
Electronics 2024, 13(16), 3272; https://doi.org/10.3390/electronics13163272 - 18 Aug 2024
Viewed by 369
Abstract
Voltage fluctuations are one of the most common problems in low-voltage networks. Very often, these disturbances cause damage to or the incorrect operation of electrical devices. Unfortunately, at present, the monitoring of these disturbances relies on short-term and long-term flicker indicators, which only [...] Read more.
Voltage fluctuations are one of the most common problems in low-voltage networks. Very often, these disturbances cause damage to or the incorrect operation of electrical devices. Unfortunately, at present, the monitoring of these disturbances relies on short-term and long-term flicker indicators, which only assess the severity of one of the effects of voltage fluctuations. Another measure of voltage fluctuations that has greater diagnostic potential is voltage fluctuation indices, i.e., the amplitude and rate of voltage fluctuations. One advantage of these indices that has been highlighted in recent years is their potential ability to recreate voltage fluctuations using these indices. This article presents research results that allow for the verification of the potential of voltage fluctuation indices as a method for recreating voltage fluctuations. For verification purposes, various cases of voltage variation recorded in a modern low-voltage network are used. The analysis of the possibility of recreating voltage fluctuations from voltage fluctuation indices presented in this article, in association with previously carried out numerical simulation studies and experimental laboratory studies, constitutes a complementary whole and indicates further directions in voltage fluctuation research in terms of the electromagnetic compatibility of low-frequency conducted disturbances. Full article
(This article belongs to the Special Issue Compatibility, Power Electronics and Power Engineering)
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16 pages, 6484 KiB  
Article
An Enhanced Six-Turn Multilayer Planar Inductor Interleaved Winding Design for LLC Resonant Converters with Low Current Ringing
by Qichen Liu and Zhengquan Zhang
Electronics 2024, 13(16), 3201; https://doi.org/10.3390/electronics13163201 - 13 Aug 2024
Viewed by 378
Abstract
Planar magnetic components have been widely used in high-density power converters and are suitable for various topologies. The application of planar inductors in LLC resonant converters can lead to parasitic capacitance, which causes current ringing and results in EMI issues. To mitigate the [...] Read more.
Planar magnetic components have been widely used in high-density power converters and are suitable for various topologies. The application of planar inductors in LLC resonant converters can lead to parasitic capacitance, which causes current ringing and results in EMI issues. To mitigate the impact of current ringing, the parasitic capacitance of the planar inductor needs to be reduced. This paper proposes a new six-turn interleaved winding design. Compared to the previous four-turn interleaved winding design, it maintains low parasitic capacitance while positioning both the input and output terminals of the inductor on the outer turn, further enhancing the integration of high-density power converters. The parasitic capacitance was calculated using theoretical methods and verified through finite element simulations. Experimental validation was conducted using an LLC resonant converter test platform. Compared to the previous four-turn interleaved winding design, the new six-turn interleaved winding design satisfies both the input and output terminals, using an outer turn configuration. Additionally, the new design exhibits reduced parasitic capacitance and is suitable for use in LLC resonant converters, where it also minimizes current ringing. Full article
(This article belongs to the Special Issue Compatibility, Power Electronics and Power Engineering)
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