Advanced Power Electronics Converters: Design, Control and Applications

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: 31 December 2024 | Viewed by 578

Special Issue Editors


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Guest Editor
Department of Electrical Engineering, Faculty of Engineering, Universidad Católica de la Santísima Concepción, Talca 3467769, Chile
Interests: multilevel converters; modulations techniques; model predictive control; semiconductors losses

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Guest Editor
Department of Electrical and Electronic Engineering, Universidad del Bío-Bío, Concepción 4051381, Chile
Interests: current source converters; digital control; modulations techniques; multilevel converters

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Guest Editor
Department of Electrical Engineering, Centro de Energia, Universidad Católica de la Santisima Concepción, Alonso de Ribera 2850, Concepción, Chile
Interests: multilevel converters; modular multilevel converters; battery management system
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Special Issue Information

Dear Colleagues,

Power converters are essential devices for converting and conditioning electrical power in a controlled and efficient way. There are a wide range of application areas from AC drives, non-conventional renewable energy sources integration, electrical power compensation, battery systems, and electric vehicles to more complex systems such as smart grids, microgrids, etc. Its operation and performance depend on, among other things, the power converter's modulation, synchronization, and control strategy. On the other hand, when there is a hierarchical and distributed control scheme, as in the case of microgrids and smart grids, the communication between the power converters to achieve the different control objectives is also relevant. In general, power converters use digital systems to coordinate their operation in complex systems.

This Special Issue presents relevant developments, tests, and evaluation methodologies of modulation techniques, control strategies, algorithms, and communication, jointly with their implementation in digital systems.

The objective is to report to the community the details of the implementation and validation in digital systems of modulation techniques for two-level converters, multilevel converters, and modular multilevel converters; grid-synchronization algorithms for three-phase or single-phase systems and their applications in weak grids; control strategies for power converters, including linear and non-linear controllers and predictive control, and their application as AC drives, energy integration, power quality, emerging applications, etc.; communication protocols and schemes for power converters, as well as which of these could be replicated in future developments and research of power electronic applications.

Dr. Eduardo Espinosa Neira
Dr. Pedro Eduardo Melín Coloma
Dr. Ricardo Lizana Fuentes
Guest Editors

Manuscript Submission Information

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Keywords

  • power electronics
  • modulation technique
  • multilevel converters
  • multi-modular converters
  • industrial applications
  • model predictive control
  • semiconductors losses
  • digital control

Published Papers (1 paper)

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Research

29 pages, 9137 KiB  
Article
Non-Ideal Push–Pull Converter Model: Trade-Off between Complexity and Practical Feasibility in Terms of Topology, Power and Operating Frequency
by Francisco José Vivas, José Manuel Andújar and Francisca Segura
Appl. Sci. 2024, 14(14), 6224; https://doi.org/10.3390/app14146224 - 17 Jul 2024
Viewed by 418
Abstract
Power converters are the basic elements of any power electronics system in many areas and applications. Among them, the push–pull converter topology is one of the most widespread due to its high efficiency, versatility, galvanic isolation, reduced number of switching devices and the [...] Read more.
Power converters are the basic elements of any power electronics system in many areas and applications. Among them, the push–pull converter topology is one of the most widespread due to its high efficiency, versatility, galvanic isolation, reduced number of switching devices and the possibility of implementing high conversion ratios with respect to non-isolated topologies. Optimal design and control requires very accurate models that consider all the non-idealities associated with the actual converter. However, this leads to the use of high-order models, which are impractical for the design of model-based controllers in real-time applications. To obtain a trade-off model that combines the criteria of simplicity and accuracy, it is appropriate to assess whether it is necessary to consider all non-idealities to accurately model the dynamic response of the converter. For this purpose, this paper proposes a methodology based on a sensitivity analysis that allows quantifying the impact of each non-ideality on the converter behaviour response as a function of the converter topology, power and frequency. As a result of the study, practical models that combine the trade-off between precision and simplicity are obtained. The behaviour of the simplified models for each topology was evaluated and validated by simulation against the most complete and accurate non-ideal model found in the literature. The results have been excellent, with an error rate of less than 5% in all cases. Full article
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