Power Electronics and Its Applications in Power System

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

Deadline for manuscript submissions: 20 November 2024 | Viewed by 2001

Special Issue Editors


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Guest Editor
Research & Innovation Center for Electrical Engineering (RICE), University of West Bohemia, Univerzitni 8, 30100 Pilsen, Czech Republic
Interests: electric machines and drives; power electronics; fault tolerant control; electric vehicle

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Guest Editor
Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA 92182, USA
Interests: power electronics; grid connected inverters; DC-DC converters; model predictive controller

Special Issue Information

Dear Colleague,

Power electronics  is a branch of electronics that deals with the application of electronic devices and associated components. It has been widely utilized for modifying the primary characteristics of power, including the basic form AC or DC, voltage, current, power factor and frequency and for transforming electrical energy in power systems to facilitate the functioning of daily-operated electronic devices. Currently, global sectors of energy, industry, medicine, communications and transportation are making efforts to turn power electronics into a strategic technology, as it ensures sustainable growth. The appropriate control of electric power using power electronic converters allows for the regulation of non-electrical parameters, such as the speed of a motor, intensity of lighting, rate of electrochemical processes, or the temperature of a stove. Nowadays, the technologies associated with the modifications and conservation of energy sources are of vital importance to ensure a comfortable standard of living. The demand for high DC and AC voltage of electrical energy increases in direct relation to the extension of modern power systems and power electronics plays a key role  in this regard by providing a means for sustainable electrical energy generation and environmental control. In recent years, significant research has been conducted to provide novel topologies that combine micro girds and AC voltage generation into the power systems. Therefore, the application of power electronics in electrical systems could be an effective solution to improve the efficiency, reliability and compactness of power systems.

This Special Issue welcomes submissions of original research and review papers in the field of power electronics and its applications in power systems. Major topics include, but are not limited to, the following:

  • Power electronic converters;
  • HVDC and HVAC;
  • Power electronics-equipped devices in power systems;
  • Flexible AC transmission systems;
  • Control and implementation techniques for power converters;
  • Power converters design, reliability and power density for renewable energy systems;
  • Smart grids, power market and intelligent systems;
  • Digital modeling of power electronic devices and AI-based technologies.

Dr. Mohsen Ebadpour
Dr. Naser Vosoughi
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 systems
  • power converters
  • renewable energy resources
  • smart grid
  • FACTS
  • model-based control

Published Papers (2 papers)

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Research

16 pages, 6674 KiB  
Article
A New Zero-Voltage Zero-Current Switching Converter with Minimum Duty Cycle Loss
by Yuting Wang, Yong Shi and Kexin Xu
Electronics 2024, 13(3), 518; https://doi.org/10.3390/electronics13030518 - 26 Jan 2024
Viewed by 706
Abstract
Zero-voltage zero-current switching (ZVZCS) phase-shifted full-bridge (PSFB) converters have been widely used in high-power applications because of their high efficiency, low price, and easy control. Currently, the biggest problem with PSFB converters in operation is their high duty cycle loss. With the increase [...] Read more.
Zero-voltage zero-current switching (ZVZCS) phase-shifted full-bridge (PSFB) converters have been widely used in high-power applications because of their high efficiency, low price, and easy control. Currently, the biggest problem with PSFB converters in operation is their high duty cycle loss. With the increase in current, duty cycle loss grows and degrades their performance. Focusing on this problem, a new ZVZCS PSFB converter is proposed in this paper. This topology adds an auxiliary circuit to minimize duty cycle loss. Moreover, the lagging-leg switches can obtain zero-current switching (ZCS) easily with the help of the circuit. The auxiliary circuit is built of four metal-oxide-semiconductor field-effect transistors (MOSFETs) and an auxiliary transformer, and extra voltage can be added to the primary coils when the direct-current (DC) voltage is small. This paper discusses its operation principles and characteristics, and an experiment of a 2 kW prototype was conducted, the results of which demonstrate the advantages of the presented circuits. Full article
(This article belongs to the Special Issue Power Electronics and Its Applications in Power System)
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18 pages, 4514 KiB  
Article
Improved Dynamic Performance of Average-Value Modelled Active Front-End Rectifiers
by Mohsen Ebadpour
Electronics 2024, 13(2), 445; https://doi.org/10.3390/electronics13020445 - 21 Jan 2024
Cited by 1 | Viewed by 885
Abstract
Active front-end (AFE) rectifiers have become widely employed in power systems to achieve unity power factor and harmonic mitigations. The typical modeling approaches applied for AFE rectifiers in the literature mostly relied on two baselines: the detailed model and the time-average model. The [...] Read more.
Active front-end (AFE) rectifiers have become widely employed in power systems to achieve unity power factor and harmonic mitigations. The typical modeling approaches applied for AFE rectifiers in the literature mostly relied on two baselines: the detailed model and the time-average model. The former approach deals with the switching element model (SEM), which leads to significant harmonics in currents with distorted waveforms. The latter approach uses the average-value model (AVM) to overcome the currents’ harmonics as well as provide fast responses. However, even the AVM baseline has shown problems during the starting stage (lack of control signals) and over the dead-time periods, which causes serious issues in the implementation process. This paper presents an improved dynamic AVM for AFE rectifiers by precisely considering the issues mentioned above, along with the practical starting procedure and desirable initialization. The studied AFE rectifier is developed using the voltage-oriented control (VOC) technique based on the different modeling methodologies, including SEM, Conventional AVM, and the proposed AVM. The performance of all models is analyzed and compared using simulation results with MATLAB/Simulink R2023a Function blocks for all the algorithm parts and SimScape elements for the electrical circuit model. The simulation results illustrate that the performance of the proposed AVM approach can closely resemble the behavior of the SEM baseline with low harmonic distortion. To evaluate the performance of the proposed model, several case studies are investigated to verify the AFE rectifier operation, regarding mostly the total harmonic distortion (THD) wherein the THD percentages are improved to 4.78 and 2.5 from 5.14 and 2.78 for low- and high-power loads, respectively. Full article
(This article belongs to the Special Issue Power Electronics and Its Applications in Power System)
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