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Electronics
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Advanced Technologies in Power Electronics and Electric Drives
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Advanced Technologies in Power Electronics and Electric Drives

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

Deadline for manuscript submissions: closed (16 December 2024) | Viewed by 7779

Special Issue Editor

Prof. Dr. Ibrahim Mohd Alsofyani

E-Mail
Guest Editor
Electrical and Computer Engineering, Ajou University, Kyonggi-do 443-749, Korea; SEMI-TS, Kyonggi-do 443-749, Republic of Korea
Interests: power electronics and motor drives
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Power electronics systems dominate the world market, with broad applications from cellphones to electric vehicles and home appliances. Advances in power electronics are playing a crucial role in battling climate issues and helping nations to achieve a more efficient and greener environment.

One essential branch of power electronics that impacts every aspect of our lives is electric drives. With the rapid emergence of power electronics and control techniques, more advanced electric motor drives are now replacing older motor drives to gain better performance, efficiency, and reliability.

The main objective of this Special Issue is to seek high-quality contributions that highlight emerging power converter topologies, and address recent techniques in robust and reliable power electronics converters and motor control methods. The topics of interest include, but are not limited to, the following:

  • Power electronic devices (silicon and wide bandgap);
  • Power conversion designs, modulation, and control;
  • Reliability of power electronics;
  • Modeling and control of components, converters, and systems;
  • High power/voltage power conversion;
  • Electric drive systems;
  • Sensorless methods for electric drives;
  • Electric machines and drives for transportation electrification;
  • Power electronics for hybrid and electric vehicles.

Prof. Dr. Ibrahim Mohd Alsofyani
Guest Editor

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 electronic devices (silicon and wide bandgap)
  • power conversion designs, modulation, and control
  • reliability of power electronics
  • modeling and control of components, converters, and systems
  • high power/voltage power conversion
  • electric drive systems
  • sensorless methods for electric drives
  • electric machines and drives for transportation electrification
  • power electronics for hybrid and electric vehicles

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (5 papers)

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Research

25 pages, 4893 KiB  
Article
A High Reliability Ferroresonant Inverter with Improved Efficiency and Wider Input Voltage
by Antony G. Theodorakis, Nikolaos S. Korakianitis, Georgios A. Vokas, George Ch. Ioannidis and Stavros D. Kaminaris
Electronics 2025, 14(1), 45; https://doi.org/10.3390/electronics14010045 - 26 Dec 2024
Viewed by 610
Abstract
In this research, a ferroresonant (SATFORMER) inverter, optimized in terms of power efficiency, noise reduction, and reliability, is analyzed and described. This modified SATFORMER inverter can be used as a standalone inverter. In the proposed topology, the variable DC input is converted to [...] Read more.
In this research, a ferroresonant (SATFORMER) inverter, optimized in terms of power efficiency, noise reduction, and reliability, is analyzed and described. This modified SATFORMER inverter can be used as a standalone inverter. In the proposed topology, the variable DC input is converted to an AC square wave by a thyristor-based modified current source inverter and additionally applied to primary winding, which is divided into four sub-windings, that are wound on the saturable core portion, via six relays with one change-over (CO) contact. The proposed ferroresonant inverter is innovative, to the best of our knowledge. A method for reducing the power losses of the proposed inverter is described and analyzed. A 150 VA model of a constant voltage transformer (ferroresonant transformer) is tested in order to experimentally investigate its basic characteristics. The circuit and simulated results of the modified current source inverter are presented in detail. The experimental results of our 150 VA model are presented. A precise term is introduced to describe the operation of the converter’s magnetic components. The occurring phenomenon is thoroughly explained, and a meaningful, perceptive, and newly incorporated term is introduced to provide a clearer understanding of the phenomenon. Full article
(This article belongs to the Special Issue Advanced Technologies in Power Electronics and Electric Drives)
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26 pages, 17968 KiB  
Article
State Space Average Modeling, Small Signal Analysis, and Control Implementation of an Efficient Single-Switch High-Gain Multicell Boost DC-DC Converter with Low Voltage Stress
by Said A. Deraz, Mohamed S. Zaky, Kotb B. Tawfiq and Arafa S. Mansour
Electronics 2024, 13(16), 3264; https://doi.org/10.3390/electronics13163264 - 17 Aug 2024
Cited by 3 | Viewed by 2089
Abstract
This paper presents the closed-loop control of a single-switch high-gain multicell boost DC-DC converter working in a continuous conduction mode (CCM). This converter is particularly designed for applications in photovoltaic systems. One of the main advantages of the proposed converter is that it [...] Read more.
This paper presents the closed-loop control of a single-switch high-gain multicell boost DC-DC converter working in a continuous conduction mode (CCM). This converter is particularly designed for applications in photovoltaic systems. One of the main advantages of the proposed converter is that it only employs one active semiconductor switch, which decreases the converter losses and cost, increases the efficiency, and simplifies the control circuit. Moreover, the multicell nature of the proposed converter offers the possibility of obtaining the required voltage gain by selecting the number of cells. State space average (SSA) modeling and small-signal analysis are used to model the switching converter power stages of the proposed converter. The parasitic series resistances of the passive elements of the converter circuit are considered to improve the accuracy of the modeling. Small-signal analysis is used to derive the open-loop transfer functions, input-to-output and control-to-output transfer functions of the proposed converter to examine its dynamic performance. The stability of the converter is analyzed to design the parameters of the voltage controller using the proposed modeling method. The experimental prototype of the proposed single-switch two-cell boost DC-DC converter was implemented. The simulation and experimental results proved the effectiveness of the proposed boost DC-DC converter under different working conditions. It has a fast dynamic response without overshoots. A comprehensive comparison between the proposed converter and previous boost converters is provided. It guarantees a required variable and constant high voltage gain with a wider duty ratio range. It compromises between the required performance, the low number of components, low voltage stress on the components, and cost-effectiveness. The experimental efficiency of the proposed converter is about 96% at a 100 W load. Full article
(This article belongs to the Special Issue Advanced Technologies in Power Electronics and Electric Drives)
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17 pages, 1201 KiB  
Article
A Single-Output-Filter Double Dual Ćuk Converter
by Hector R. Robles-Campos, Julio C. Rosas-Caro, Antonio Valderrabano-Gonzalez and Johnny Posada
Electronics 2024, 13(10), 1838; https://doi.org/10.3390/electronics13101838 - 9 May 2024
Cited by 1 | Viewed by 1079
Abstract
This study introduces an innovative version of a recently studied converter. A Double Dual Ćuk Converter was recently studied with advantages like the possibility of designing it for achieving a low-input current ripple. The proposed converter, called the Improved Double Dual Ćuk Converter, [...] Read more.
This study introduces an innovative version of a recently studied converter. A Double Dual Ćuk Converter was recently studied with advantages like the possibility of designing it for achieving a low-input current ripple. The proposed converter, called the Improved Double Dual Ćuk Converter, maintains the advantages of the former one, and it is characterized by requiring one less capacitor and inductor than its predecessor. This allows addressing the challenge of optimizing the topology to reduce component count without compromising the operation; this work proposes an efficient design methodology based on theoretical analysis and experimental validation. Results demonstrate that the improved topology not only retains the advantages of the previous version, including high efficiency and robustness, but also enhances power density by reducing the number of components. These advancements open new possibilities for applications requiring compact and efficient power converters, such as renewable energy systems, electric vehicles, and portable power supply systems. This work underscores the importance of continuous innovation in power converter design and lays the groundwork for future research aimed at optimizing converter topologies. A detailed discussion of the operating principles and modeling of the converter is provided. Furthermore, simulation outcomes highlighting differences in steady-state duration, output voltage, input current ripple, and operational efficiency are shared. The results from an experimental test bench are also presented to corroborate the efficacy of the improved converter. Full article
(This article belongs to the Special Issue Advanced Technologies in Power Electronics and Electric Drives)
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15 pages, 5446 KiB  
Article
A Novel Series 24-Pulse Rectifier Operating in Low Harmonic State Based on Auxiliary Passive Injection at DC Side
by Xiaoqiang Chen, Tun Bai, Ying Wang, Jiangyun Gong, Xiuqing Mu and Zhanning Chang
Electronics 2024, 13(6), 1160; https://doi.org/10.3390/electronics13061160 - 21 Mar 2024
Cited by 4 | Viewed by 1718
Abstract
To reduce the current harmonics on the input side of a multi-pulse rectifier, this paper proposes a low harmonic current source series multi-pulse rectifier based on an auxiliary passive injection circuit at the DC side. The rectifier only needs to add an auxiliary [...] Read more.
To reduce the current harmonics on the input side of a multi-pulse rectifier, this paper proposes a low harmonic current source series multi-pulse rectifier based on an auxiliary passive injection circuit at the DC side. The rectifier only needs to add an auxiliary passive injection circuit on the DC side of the series 12-pulse rectifier, which can change its AC input voltage from 12-step waves to 24-step waves. We analyzed the working mode of the rectifier, optimized the optimal turn ratio of the injection transformer from the perspective of minimizing the total harmonic distortion (THD) value of the input voltage on the AC side, and analyzed the diode open circuit fault in the auxiliary passive injection circuit. Test verification shows that, after using the passive harmonic injection circuit, the THD value of the input voltage of the AC side of the rectifier is reduced from 14.03% to 4.86%. The THD value of the input current is reduced from 5.30% to 2.16%. The input power factor has been increased from 98.86% to 99.83%, and the power quality has been improved. Full article
(This article belongs to the Special Issue Advanced Technologies in Power Electronics and Electric Drives)
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19 pages, 11415 KiB  
Article
Quick Search Algorithm-Based Direct Model Predictive Control of Grid-Connected 289-Level Multilevel Inverter
by Muhammad Anas Baig, Syed Abdul Rahman Kashif, Irfan Ahmad Khan and Ghulam Abbas
Electronics 2023, 12(15), 3312; https://doi.org/10.3390/electronics12153312 - 2 Aug 2023
Cited by 3 | Viewed by 1325
Abstract
Multilevel inverters, known for their low switching loss and suitability for medium- to high-power applications, often create a heavy computational overhead for the controller. This paper addresses the aforementioned limitation by presenting a novel approach to Direct Model Predictive Control (DMPC) for a [...] Read more.
Multilevel inverters, known for their low switching loss and suitability for medium- to high-power applications, often create a heavy computational overhead for the controller. This paper addresses the aforementioned limitation by presenting a novel approach to Direct Model Predictive Control (DMPC) for a grid-tied 289-level ladder multilevel inverter (LMLI). The primary objective is to achieve perfect inverter current control without enumeration. The proposed control method provides a single best solution without complete exploration of the search space. This generalized method can be applied to any multilevel inverter (MLI), enabling them to be used in the grid-tied mode without the computational burden due to a large number of switching states. The DMPC of LMLI with 289-level output and corresponding 289 control inputs, utilizes a discrete model to predict the future state of the state variable. In order to alleviate the enumeration burden, virtual sectors on a linear scale are introduced, and a general formula is provided to identify the single best state among the 289 states, reducing the time required to find the best optimal state per sampling period. Moreover, the proposed control scheme is independent of objective evaluation. Full article
(This article belongs to the Special Issue Advanced Technologies in Power Electronics and Electric Drives)
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