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New Insights into Design, Control and Application of Modular Multilevel Converters

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

Deadline for manuscript submissions: closed (10 October 2024) | Viewed by 1337

Special Issue Editor


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Guest Editor
Department of Electronics Technology, University of Valladolid, 47002 Valladolid, Spain
Interests: power electronics; renewable energy engineering; multilevel converters; real time simulation of power electronics; HDL design; FPGA processors
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Special Issue Information

Dear Colleagues,

The Guest Editor is inviting submissions to a Special Issue of Energies on the subject area of “New Insights into Design, Control and Application of Modular Multilevel Converters”. The smart and efficient use of energy systems is not only a compelling challenge, but also a requirement. Nowadays, multilevel power electronic converters play a key role in ensuring the success of power and energy applications. This Special Issue is intended for existing and emerging control techniques applied to multilevel converters used on power systems, distribution systems and renewable energy generation systems, including many interesting topics for power and energy researchers.

This Special Issue will focus on new control methods and applications for power and energy generation and storage systems. Topics of interest for publication include, but are not limited to:

  • Power electronics;
  • Control methods of power electronics;
  • Scalar and vector control;
  • Multilevel converters topologies and control;
  • Hybrid topologies or mixed semiconductors;
  • Three-phase and five-phase motor control;
  • Fault tolerant converters;
  • Development using RCP/HIL/PHIL systems;
  • Grid connected power systems;
  • PV, wind and ocean wave energy systems;
  • Battery energy storage systems;
  • FACTS and HVDC;
  • Distributed generation;
  • Variable speed drives;
  • Electric vehicles;
  • Battery changing systems;
  • Ride-through capability;
  • Utility-scale and industrial applications.

Dr. Santiago de Pablo
Guest Editor

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.

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Published Papers (1 paper)

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Research

25 pages, 9246 KiB  
Article
Nearest Vector Control Method Applied to an MMC for PV Generation
by Yad N. Bakir, Santiago de Pablo, Fernando Martinez-Rodrigo, Zaid A. Aljawary and Luis Carlos Herrero-de Lucas
Energies 2024, 17(8), 1795; https://doi.org/10.3390/en17081795 - 9 Apr 2024
Viewed by 965
Abstract
This paper proposes a new and simplified Nearest Vector Control (NVC) modulation technique for a grid-connected photovoltaic (PV) system using a Modular Multilevel Converter (MMC). Compared to the Nearest Level Control (NLC) technique, which defines three independent states for the three phases of [...] Read more.
This paper proposes a new and simplified Nearest Vector Control (NVC) modulation technique for a grid-connected photovoltaic (PV) system using a Modular Multilevel Converter (MMC). Compared to the Nearest Level Control (NLC) technique, which defines three independent states for the three phases of medium to large four-wire multilevel converters, NVC offers a more coordinated behavior for three-wire converters. The proposed scheme is easy to implement, and it simplifies the understanding of using vectors when detecting the vector of the converter nearest to a given reference. Because it uses natural coordinates, namely, ab, bc and ca, the proposed method is easier to understand and more useful for further developments. Compared with earlier NVC methods, this approach offers full independence of the number of levels at the converter and it can readily accommodate changes in the number of levels, with no need for lookup tables or artificial coordinate transformations. The proposed NVC method was implemented on a 16-cell MMC used for PV generation and then it was compared to NLC, leading to a smaller and more consistent low-order harmonic distortion, requiring about the same complexity of implementation. Furthermore, in comparison to NLC, when applying the proposed NVC modulation, a behavior more insensitive to changes in the grid voltage was found, the most hazardous odd harmonics from the 5th to the 19th were reduced, and a consistent reduction of about 25 dB was achieved on the 5th and 7th harmonics. The newly proposed method is supported by simulations and experimental results with constant and sharply changing solar irradiance, leaving or removing the 100 Hz component of the MMC circulating currents. Full article
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