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Micromachines
Special Issues
Advances in Power Electronics Converters and Control
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Advances in Power Electronics Converters and Control

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "E：Engineering and Technology".

Deadline for manuscript submissions: closed (15 January 2023) | Viewed by 6905

Special Issue Editor

Dr. Jose M. Sosa-Zuñiga

E-Mail Website
Guest Editor
Laboratory of Electrical and Power Electronics, Tecnologico Nacional de Mexico/ITS de Irapuato, Irapuato 36821, Mexico
Interests: control theory; linear control design; nonlinear control design; power electronic converters

Special Issue Information

Dear Colleagues,

In recent years, the number of applications for power electronics converters and their control has been increasing, since they play an important role in the efficient transformation of energy and in the interconnection of power systems in a wide range of uses. They are necessary in energy conversion systems, renewable energy sources, energy storage systems, distributed generation, electrical grids, transport electrification, lighting, power quality systems, medical care and rehabilitation, and the Internet of Things, among others.

Advances in power electronics converters and their control contribute to the development of sustainable energy systems that comply with various regulations and standards. Additionally, there are currently significant challenges in innovating power converter topologies and switching strategies to meet the requirements of each application, as well as in obtaining high power densities and efficiencies. There are also challenges in advanced modeling and proper control techniques to ensure stable and reliable operation.

This Special Issue invites authors to submit original contributions on the latest developments in power electronics converters and control that allow the advancement of knowledge and technology in this field.

Topics of interest include, but are not limited to, the following:

  • Emerging topologies of power electronics converters;
  • Advances in modulations and switching strategies for power electronics converters;
  • Modeling and analysis for power electronics converters;
  • Control techniques for power electronics converters;
  • Reliability of power electronics converters and applications;
  • Diagnosis of faults in power electronics converters and applications;
  • Optimization of power electronics systems;
  • Advances in hardware simulation for power electronics systems and control;
  • Power electronics converters in renewable energy systems;
  • Power electronics converters in energy storage systems;
  • Power electronics converters applications in microgrids and smart grids;
  • Power electronics converters in electric and hybrid vehicles applications;
  • Power electronics converters applications in motor drive and control;
  • Power electronics converter applications for power quality improvement;
  • Power electronics converters for medical care and rehabilitation;
  • Power electronics converters for lighting applications.

Dr. Jose M. Sosa-Zuñiga
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. Micromachines is an international peer-reviewed open access monthly 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

  • renewable energy sources
  • energy storage systems
  • electric and hybrid vehicles
  • microgrids and smart grids
  • power quality
  • power electronics converters
  • modeling and control
  • switching techniques and modulation
  • fault diagnosis
  • reliability

Published Papers (4 papers)

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Research

16 pages, 1365 KiB  
Article
Multi-Phase Interleaved AC–DC Step-Down Converter with Power Factor Improvement
by Jose M. Sosa-Zuniga, Christopher J. Rodriguez-Cortes, Panfilo R. Martinez-Rodriguez and Gerardo Vazquez-Guzman
Micromachines 2023, 14(3), 511; https://doi.org/10.3390/mi14030511 - 22 Feb 2023
Viewed by 1343
Abstract
This paper presents the converter design of a single-phase non-isolated step-down controlled rectifier for power factor improvement and output voltage regulation. The converter consists of a full-bridge diode rectifier and a DC–DC interleaved buck converter of two or more switching cells that has [...] Read more.
This paper presents the converter design of a single-phase non-isolated step-down controlled rectifier for power factor improvement and output voltage regulation. The converter consists of a full-bridge diode rectifier and a DC–DC interleaved buck converter of two or more switching cells that has an LC filter in its input. It is proposed that the interleaved switching cells operate in discontinuous conduction mode and the current through the input LC filter be continuous, avoiding switching frequency components to be injected into the grid. The controller, which has a simple structure and a small number of sensors, allows the system to achieve a high power factor. It also regulates the output voltage to a constant reference. An experimental prototype is built and tested to validate the analysis and proposed design. The closed-loop converter is evaluated both in a steady state and in transient conditions. At steady state, the converter achieves a power factor above 0.9 with a maximum of 45.4% THD at 110.1W. The main contributions of this paper are guidelines for the design of the converter, open-loop analysis, and converter control. Full article
(This article belongs to the Special Issue Advances in Power Electronics Converters and Control)
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15 pages, 8471 KiB  
Article
Parameters Design and Optimization of SiC MOSFET Driving Circuit with Consideration of Comprehensive Loss and Voltage Stress
by Haihong Qin, Zhenhua Ba, Sixuan Xie, Zimo Zhang, Wenming Chen and Qian Xun
Micromachines 2023, 14(3), 505; https://doi.org/10.3390/mi14030505 - 21 Feb 2023
Viewed by 2055
Abstract
In conventional parameters design, the driving circuit is usually simplified as an RLC second-order circuit, and the switching characteristics are optimized by selecting parameters, but the influence of switching characteristics on the driving circuit is not considered. In this paper, the insight mechanism [...] Read more.
In conventional parameters design, the driving circuit is usually simplified as an RLC second-order circuit, and the switching characteristics are optimized by selecting parameters, but the influence of switching characteristics on the driving circuit is not considered. In this paper, the insight mechanism for the gate-source voltage changed by overshoot and ringing caused by the high switching speed of SiC MOSFET is highlighted, and we propose an optimized design method to obtain optimal parameters of the SiC MOSFET driving circuit with consideration of parasitic parameters. Based on the double-pulse circuit, we evaluated the influence of main parameters on the gate-source voltage, including driving voltage, driving resistance, gate parasitic inductance, and stray inductance of the power circuit. A SiC-based boost PFC is constructed and tested. The test results show that the switching loss can be reduced by 7.282 W by using the proposed parameter optimization method, and the over-voltage stress of SiC MOSFET is avoided. Full article
(This article belongs to the Special Issue Advances in Power Electronics Converters and Control)
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16 pages, 9364 KiB  
Article
Drain-Source Voltage-Controllable Three-Switch Active-Clamp Forward Converter for Wide Input/Output Voltage Applications
by Jeong-Woo Lim and Chong-Eun Kim
Micromachines 2023, 14(1), 35; https://doi.org/10.3390/mi14010035 - 23 Dec 2022
Viewed by 1491
Abstract
Active-clamp forward converters are applied to various medium-capacity power systems because they have a relatively simple structure and are capable of zero-voltage switching. In particular, there is the advantage that a stable output voltage can be obtained by controlling the duty ratio of [...] Read more.
Active-clamp forward converters are applied to various medium-capacity power systems because they have a relatively simple structure and are capable of zero-voltage switching. In particular, there is the advantage that a stable output voltage can be obtained by controlling the duty ratio of the power semiconductor switch even in applications with wide input and output voltage ranges. However, the voltage stress on the power semiconductor switches due to the application of active clamp is higher than the input voltage, especially as the duty ratio increases. A three-switch active-clamp forward converter is proposed, which can overcome such shortcomings and can reduce the voltage stress of the power semiconductor switches, but it causes an increase in the DC bias of the magnetizing current and the additional conduction and switching losses. Therefore, in this paper, a voltage-stress-controllable three-switch active-clamp forward converter that can utilize both advantages of the conventional active-clamp forward converter and three-switch active clamp forward converter is proposed and verified through a prototype for 800 W battery charger. Full article
(This article belongs to the Special Issue Advances in Power Electronics Converters and Control)
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14 pages, 4018 KiB  
Article
A Novel Damping Control of Grid-Connected Converter Based on Optimal Split-Inductor Concept
by Chao Chen, Liwu Gong, Wei Zhang, Tao Wu, Yixing Gu and Changli Shi
Micromachines 2022, 13(9), 1507; https://doi.org/10.3390/mi13091507 - 11 Sep 2022
Cited by 3 | Viewed by 1367
Abstract
In this paper, a grid-connected converter is investigated. Since the AC side of the grid-connected converter is the LC filter, there is a second-order system resonance problem, and the conventional passive damping control has an inherent limitation of excessive power loss. Based on [...] Read more.
In this paper, a grid-connected converter is investigated. Since the AC side of the grid-connected converter is the LC filter, there is a second-order system resonance problem, and the conventional passive damping control has an inherent limitation of excessive power loss. Based on the mathematical model, a new damping control method is proposed in this paper. It is compared with the traditional solution in terms of damping effect, power loss and system stability. The optimal inductor split ratio is also discussed. The theoretical analysis demonstrates that the proposed method can not only achieve almost the same damping effect as the conventional solution, but also reduce the power loss of the damping resistor. The experimental tests are carried out and the experimental results verify the effectiveness of the proposed method. Full article
(This article belongs to the Special Issue Advances in Power Electronics Converters and Control)
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