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Energies
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Analysis, Design and Modeling of Modular Power Converters
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Analysis, Design and Modeling of Modular Power Converters

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A1: Smart Grids and Microgrids".

Deadline for manuscript submissions: closed (31 December 2019) | Viewed by 7850

Special Issue Editors

Dr. Pablo Zumel Vaquero

E-Mail Website
Guest Editor
Group of Electronic Power Systems, Department of Electronic Technology, Universidad Carlos III de Madrid, 28911 Madrid, Spain
Interests: modular converters; modular DC/DC converters; modular multilevel converters; modelling; advanced control techniques; design optimisation
Dr. Francisco Huerta Sánchez

E-Mail Website
Guest Editor
Group of Electronic Engineering Applied to Renewable Energy Systems, Department of Electronics, Universidad de Alcalá, 28805 Alcalá de Henares, Spain
Interests: grid-connected converters; power quality; advanced control techniques; multilevel converters; grid-integration of renewable energy systems

Special Issue Information

Dear Colleagues,

We are inviting submissions of original research or survey papers to a Special Issue of Energies on the subject of “Analysis, Design and Modeling of Modular Power Converters”.

Modular and multicell approaches have emerged in the last decades as a feasible solution in applications that involves high-level voltages and/or currents. The modularity can increase efficiency, reduce cost, enhance output performance and provide redundancy and reliability. These advantages entails an increase of the complexity in the design and optimization stages that promotes the use of new methodologies. In addition, modular topologies have penetrated in fields such as electrical power transmission and distribution, renewable power generation and electrical power quality applications. In these applications, the required dynamic performance and complexity of the converters in have become increasingly demanding making necessary the development and implementation of more sophisticated and novel control techniques to meet the growing requirements.

Topics of interest for publication include, but are not limited to:

  • Modular multilevel converter topologies
  • Design and optimization of modular multilevel converters
  • Design and optimization of modular architectures for DC/DC converters
  • Modeling and control techniques for multilevel converters
  • Distributed or centralized control strategies for modular multilevel converters
  • Modeling and new controls for modular DC/DC converters
  • New modulation techniques in modular multilevel converters
  • Application of modular multilevel converters in renewable energies
  • Application of modular multilevel converters in power transmission systems
  • Application of modular DC/DC converters to electrical vehicles
  • Application of modular DC/DC converters to power distributions systems in aircraft
  • Applications of modular DC/DC converters to on board distribution systems in railway or ships

Dr. Pablo Zumel Vaquero
Dr. Francisco Huerta Sánchez
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. 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

  • modular converters
  • modular DC/DC converters
  • modular multilevel converters
  • modelling
  • advanced control techniques
  • design optimisation

Published Papers (2 papers)

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Research

26 pages, 5194 KiB  
Article
Modeling and Enhanced Control of Hybrid Full Bridge–Half Bridge MMCs for HVDC Grid Studies
by Ricardo Vidal-Albalate and Jaume Forner
Energies 2020, 13(1), 180; https://doi.org/10.3390/en13010180 - 1 Jan 2020
Cited by 9 | Viewed by 2856
Abstract
Modular multilevel converters (MMCs) are expected to play an important role in future high voltage direct current (HVDC) grids. Moreover, advanced MMC topologies may include various submodule (SM) types. In this sense, the modeling of MMCs is paramount for HVDC grid studies. Detailed [...] Read more.
Modular multilevel converters (MMCs) are expected to play an important role in future high voltage direct current (HVDC) grids. Moreover, advanced MMC topologies may include various submodule (SM) types. In this sense, the modeling of MMCs is paramount for HVDC grid studies. Detailed models of MMCs are cumbersome for electromagnetic transient (EMT) programs due to the high number of components and large simulation times. For this reason, simplified models that reduce the computation times while reproducing the dynamics of the MMCs are needed. However, up to now, the models already developed do not consider hybrid MMCs, which consist of different types of SMs. In this paper, a procedure to simulate MMCs having different SM topologies is proposed. First, the structure of hybrid MMCs and the modeling method is presented. Next, an enhanced procedure to compute the number of SMs to be inserted that takes into account the different behavior of full-bridge SMs (FB-SMs) and half-bridge submodules (HB-SMs) is proposed in order to improve the steady-state and dynamic response of hybrid MMCs. Finally, the MMC model and its control are validated by means of detailed PSCAD simulations for both steady-state and transients conditions (AC and DC faults). Full article
(This article belongs to the Special Issue Analysis, Design and Modeling of Modular Power Converters)
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15 pages, 8189 KiB  
Article
Integrated Solution for Driving Series-Connected IGBTs and Its Natural Intrinsic Balancing
by Gustavo O. Fortes, Marcos A. S. Mendes and Porfírio C. Cortizo
Energies 2019, 12(12), 2406; https://doi.org/10.3390/en12122406 - 22 Jun 2019
Cited by 5 | Viewed by 4457
Abstract
The use of series connected IGBTs is still a current subject in literature, despite such a discussion having started in the 1990s. Though countless academic studies, there are currently no available commercial products on the market for medium voltage inverters (up to 4.16 [...] Read more.
The use of series connected IGBTs is still a current subject in literature, despite such a discussion having started in the 1990s. Though countless academic studies, there are currently no available commercial products on the market for medium voltage inverters (up to 4.16 kV) and lower power (up to 1 MW) using this technology. This is related to the difficulty of ensuring the dynamic and static voltage sharing between IGBTs, giving rise to relatively expensive and complex firing circuits, when compared to the components they intend to control. Therefore, this article aims to present a simple and low-cost alternative, still effective for driving low voltage series-connected IGBTs, specifically for the encapsulation TO-247 type. Experimental results are presented showing the behavior of the solution under several operating conditions. Full article
(This article belongs to the Special Issue Analysis, Design and Modeling of Modular Power Converters)
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