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Modeling and Control of High-Efficiency and High-Power Density Converters

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F1: Electrical Power System".

Deadline for manuscript submissions: 15 September 2026 | Viewed by 563

Special Issue Editors


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Guest Editor
School of Electrical Engineering, Southeast University, Nanjing 210096, China
Interests: modeling, control and design of power converters; wireless power transfer; stability analysis of distributed power systems
Special Issues, Collections and Topics in MDPI journals
School of Electrical Engineering, Southeast University, Nanjing 210096, China
Interests: MMC; high power multilevel converter; MMC active inertia support; dc power grid fault isolation

Special Issue Information

Dear Colleagues,

The demand for high-efficiency and high-power-density power supplies has grown exponentially in recent years, driven by advancements in renewable energy systems, electric vehicles, AI, aerospace, industrial automation, and portable electronics. These applications require power conversion systems that not only deliver superior efficiency but also meet stringent size, weight, and reliability constraints and fast dynamic performance. Achieving these goals necessitates innovative modeling techniques, advanced control strategies, and cutting-edge materials to optimize efficiency, thermal management, and power density.

This Special Issue aims to showcase the latest research and technological breakthroughs in the modeling and control of high-efficiency, high-power-density power supplies. We invite contributions that address theoretical, experimental, and practical challenges in this field, with a focus on novel topologies, control algorithms, and optimization methodologies. Topics of interest include, but are not limited to, the following:

  • Advanced large/small-signal modeling technique for power converters;
  • Electromagnetic-thermal multiphysics modeling technique;
  • Integrated magnetics technology for high-power-density applications;
  • Advanced control strategies for ultrafast load transient response;
  • High-frequency and wide-bandgap semiconductor-based power supplies;
  • Innovative control strategies for improved efficiency;
  • Thermal management and reliability enhancement in compact power systems;
  • Integration of power supplies with energy storage and smart grids;
  • Emerging trends in miniaturization and modular power conversion.

By bringing together researchers and practitioners, this Special Issue seeks to foster collaboration and disseminate knowledge that will drive the next generation of power supply technologies. We welcome original research articles, reviews, and case studies that align with the journal's scope of promoting sustainable and innovative energy solutions.

Dr. Xin Li
Dr. Jianxi Lan
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 250 words) can be sent to the Editorial Office for assessment.

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. Energies 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 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

  • modeling and control
  • high efficiency
  • high-power density
  • fast response

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Published Papers (1 paper)

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Research

15 pages, 6451 KB  
Article
Full-Bridge Intermediate-Frequency Converter with Low Voltage and Current Stress on Auxiliary Switching Devices
by Shilong Gao, Wu Chen, Haixi Zhao and Chenyang Liu
Energies 2026, 19(3), 852; https://doi.org/10.3390/en19030852 - 5 Feb 2026
Viewed by 329
Abstract
The DC converter constitutes a pivotal component within medium-voltage direct current (MVDC) collection systems, performing functions such as voltage boosting, isolation, and power transmission. To accommodate the demand for high-capacity DC converters in MVDC collection systems for new energy sources, a full-bridge medium-frequency [...] Read more.
The DC converter constitutes a pivotal component within medium-voltage direct current (MVDC) collection systems, performing functions such as voltage boosting, isolation, and power transmission. To accommodate the demand for high-capacity DC converters in MVDC collection systems for new energy sources, a full-bridge medium-frequency converter featuring low voltage and current stress on auxiliary switching devices is proposed. Based on the principles of dual-transformer configuration and component sharing, this converter employs a half-bridge circuit and a full-bridge circuit sharing two switching devices. Utilizing mixed-frequency modulation, the full-bridge main circuit operates at medium frequency to transmit the majority of power, while the half-bridge auxiliary circuit regulates overall power and voltage through high-frequency chopping control. This achieves zero-current switching for the medium-frequency switching devices across the entire load range, significantly reducing switching losses in the converter. This paper details the converter’s operating principles and analyzes key parameter design methodologies. Finally, a 240–6000 V/7200 W prototype was constructed to validate the proposed converter’s performance. Full article
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