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Power Converters: Modeling, Control, and Applications in Power Electronics—2nd Edition

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

Deadline for manuscript submissions: 31 December 2024 | Viewed by 2579

Special Issue Editors


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Guest Editor
Electrical Engineering Department, Federal University of Santa Catarina, Florianopolis 88040-900, Brazil
Interests: step-up and step-down non-isolated DC–DC converters; single-phase step-up inverters; single-phase rectifiers; switched-capacitor converters
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Guest Editor
Mobility Engineering Department, Federal University of Santa Catarina, Joinville 89219-600, Brazil
Interests: non-isolated DC–DC converters; high gain step-up converters; gain cells; DC–AC converters

Special Issue Information

Dear Colleagues,

The current energy transition to a sustainable society has propelled the rapid development of novel technologies, such as electric vehicles, fast-charging stations, more efficient renewable energy systems, large-capacity storage energy systems, etc. All these technologies rely on power electronics converters, which have imposed new challenges in terms of topology, design, and control. To solve the current problems and efficiently support the energy transition, innovative topologies, modelling, and control techniques have been proposed and discussed in the literature.

In this context, we would like to invite all potential authors to publish the results of their research in a Special Issue of the journal Energies, entitled “Power Converters: Modeling, Control, and Applications in Power Electronics”. Topics of interest for this Special Issue include, but are not limited to, those described in the keywords.

Prof. Dr. Telles Brunelli Lazzarin
Prof. Dr. Jéssika Melo De Andrade
Guest Editors

Manuscript Submission Information

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Keywords

  • high voltage ratio DC-DC power converters
  • bidirectional power converters
  • single- and three-phase inverters for off- and on-grid applications
  • single- and three-phase rectifiers
  • multi-level converters for low powers
  • steady-state analysis oriented to the optimization of converters
  • dynamic modeling oriented to the control of converters
  • new control techniques for power electronics converters
  • application of new semiconductor technologies
  • emerging technologies in power electronics: electric vehicles, charging stations, energy storage system

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Related Special Issue

Published Papers (2 papers)

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Research

23 pages, 25964 KiB  
Article
Single-Stage MV-Connected Charger Using an Ac/Ac Modular Multilevel Converter
by Ygor Pereira Marca, Maurice G. L. Roes, Cornelis G. E. Wijnands, Jorge L. Duarte and Henk Huisman
Energies 2024, 17(12), 2998; https://doi.org/10.3390/en17122998 - 18 Jun 2024
Viewed by 1062
Abstract
Modular multilevel converters with non-sinusoidal ac voltage output can reduce cost and volume in medium-voltage-connected electric vehicle battery charging applications. The use of full-bridge submodules in such converters enables single-stage ac/ac voltage conversion, allowing a medium-voltage grid to be directly connected to a [...] Read more.
Modular multilevel converters with non-sinusoidal ac voltage output can reduce cost and volume in medium-voltage-connected electric vehicle battery charging applications. The use of full-bridge submodules in such converters enables single-stage ac/ac voltage conversion, allowing a medium-voltage grid to be directly connected to a medium-frequency isolation transformer. The application of a square wave voltage at the medium-frequency transformer’s single-phase port enhances the converter’s efficiency and power density in comparison to a sinusoidal voltage. This paper presents the analysis and modelling of a modular multilevel converter, comparing its operation with sinusoidal and square wave output voltages. A single control scheme for both output voltage waveforms is proposed for the three-phase and single-phase ac currents, circulating currents, and the energy stored in the submodule capacitors. The control strategy of the three-phase and single-phase port currents is verified through simulation and experiments using a scaled-down prototype, thereby validating its suitability for high-power bidirectional battery chargers. Full article
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18 pages, 5254 KiB  
Article
A Robust Switching Control Strategy for Three-Phase Voltage Source Converters with Uncertain Circuit Parameters
by Xin Guo, Jichen Qiao, Yankai Li and Shangbin Jiao
Energies 2024, 17(8), 1832; https://doi.org/10.3390/en17081832 - 11 Apr 2024
Cited by 1 | Viewed by 687
Abstract
This study proposes a novel double closed-loop robust control strategy based on a power switching affine model of three-phase voltage source converters (VSCs). The aim is to overcome the challenges posed by inaccurate mathematical models, complex controller configurations, indirect switching control, and performance [...] Read more.
This study proposes a novel double closed-loop robust control strategy based on a power switching affine model of three-phase voltage source converters (VSCs). The aim is to overcome the challenges posed by inaccurate mathematical models, complex controller configurations, indirect switching control, and performance degradation under circuit parameters uncertainty or load variation in conventional methods. These conventional methods rely on linearization models, duty ratio regulation, and pulse width modulation (PWM) technologies. The contributions of work are the following: (1) A two-dimensional (2D) power switching affine model is constructed without any approximation or averaging. (2) The proposed approach achieves direct switching control of three-phase VSCs, eliminating the need for complex rotation coordinate transformation, PWM, and phase locking loop (PLL), which are utilized in traditional control methods. (3) The rigor of the system stability analysis is enhanced based on the 2D power switching model compared to the existing three-dimensional (3D) current switching model. (4) A simple control structure with only two control parameters is employed to address circuit parameter uncertainties. The effectiveness and superiority of the proposed method is validated through simulation and experimental comparison results. Full article
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