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Applied Sciences
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Challenges for Power Electronics Converters, 2nd Edition
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Challenges for Power Electronics Converters, 2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: 20 April 2025 | Viewed by 1735

Special Issue Editors

Prof. Dr. Fengjiang Wu

E-Mail Website
Guest Editor
School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
Interests: renewable energy generation; high-frequency isolated power conversion; energy storage systems
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Hongchen Liu

E-Mail Website
Guest Editor
School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
Interests: power electronics technology; matrix power converter; power converter system modeling; dynamics analysis and control; distributed power supply system
Special Issues, Collections and Topics in MDPI journals
Dr. Kaitao Bi

E-Mail Website
Guest Editor
College of Internet of Things, Jiangnan University, Wuxi, China
Interests: multilevel converters; high-power energy storage systems; control algorithms

Special Issue Information

Dear Colleagues,

Power electronic technology plays an increasingly important role in modern energy utilization systems. Modern power electronics technology is developing towards the achievement of high frequency, high efficiency, and high reliability. There are still many challenges. This Special Issue focuses on the latest achievements of ensemble power electronics technology, including the following aspects: the novel topology of converters, modeling and control strategies, fault analysis and diagnosis methods, new principle converters in wireless power transmission, and other emerging applications. The purpose of this Special Issue is to provide opportunities for researchers in related fields to display and exchange the latest achievements, establish a database of achievements in the direction of power electronics, and provide solutions for related application fields.

Prospective authors are invited to submit original contributions or survey papers for review for publication in this Special Issue.

Prof. Dr. Fengjiang Wu
Prof. Dr. Hongchen Liu
Dr. Kaitao Bi
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. Applied Sciences 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

  • topology and modulations of converter/inverter
  • modeling and control of converter/inverter
  • power conversion techonolgies for wireless power transimission
  • fault diagnosis of converter/inverter
  • emerging power conversion technologies

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Published Papers (2 papers)

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Research

20 pages, 10270 KiB  
Article
Research on a New Topology and Reactive Power Compensation Application of Reinjection Multilevel Voltage Source Converter
by Changxing He, Baofeng Yang, Zhenpeng Luo and Guangchen Liu
Appl. Sci. 2024, 14(21), 9998; https://doi.org/10.3390/app14219998 - 1 Nov 2024
Viewed by 503
Abstract
Based on the principles of reinjection converter technology and submodule operation, a novel topology for a reinjection multilevel voltage source converter (RMVSC) is proposed. In this topology, submodules are dynamically connected in series as the reinjection circuit. This new topology retains all the [...] Read more.
Based on the principles of reinjection converter technology and submodule operation, a novel topology for a reinjection multilevel voltage source converter (RMVSC) is proposed. In this topology, submodules are dynamically connected in series as the reinjection circuit. This new topology retains all the functions of the RMVSC while offering flexible control of the reinjection circuit and ease of modularization, making it highly suitable for high-voltage, high-power applications. A circulating drive pulse sequence was developed for the 7-level serial submodule RMVSC, ensuring dynamic stability of the submodule voltage and maintaining low harmonic distortion when interfaced with the grid. Building on this, a double-loop control strategy—comprising an outer power loop and an inner current loop—was proposed for the static synchronous compensator (STATCOM) of RMVSC. A simulation model was constructed in PSCAD/EMTDC, and the simulation results confirm the excellent performance of the proposed topology and the effectiveness of both the modulation strategy and the double-loop control strategy. The RMVSC-STATCOM demonstrates continuous and bidirectional reactive power regulation, with high control accuracy and superior compensation current quality. Full article
(This article belongs to the Special Issue Challenges for Power Electronics Converters, 2nd Edition)
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17 pages, 4795 KiB  
Article
Decoupled MPC Power Balancing Strategy for Coupled Inductor Flying Capacitor DC–DC Converter
by Xin Wei, Kaitao Bi, Genlong Lan, Wei Li and Jin Cui
Appl. Sci. 2024, 14(11), 4813; https://doi.org/10.3390/app14114813 - 2 Jun 2024
Viewed by 715
Abstract
A decoupled model predictive control (MPC) power balancing strategy for a coupled inductor-based flying capacitor DC–DC converter (FCDC) is a proposed to solve the power imbalance caused by the parameter differences in the coupled inductor. The decoupled mathematical model of coupled inductor FCDC [...] Read more.
A decoupled model predictive control (MPC) power balancing strategy for a coupled inductor-based flying capacitor DC–DC converter (FCDC) is a proposed to solve the power imbalance caused by the parameter differences in the coupled inductor. The decoupled mathematical model of coupled inductor FCDC is firstly derived by analyzing the converter operation state under various modes. On this basis, the control relationship between inductor current and flying capacitor (FC) voltage is redefined and an MPC power balance strategy based on the inductor current with single-step optimization is proposed. The proposed MPC strategy not only achieves decoupled power balancing control but also solves multi-objective dynamic optimization control of the inductor current and FC voltage, greatly reducing the computation load. A detailed theoretical analysis of the proposed strategy is presented and the balancing performance is effectively verified through the experiments. Full article
(This article belongs to the Special Issue Challenges for Power Electronics Converters, 2nd Edition)
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