Optimization-based sizing of a modular multilevel converter based on 650 V GaN modules for new LVDC/MVDC Grids - Archive ouverte HAL Access content directly
Conference Papers Year : 2024

Optimization-based sizing of a modular multilevel converter based on 650 V GaN modules for new LVDC/MVDC Grids

Abstract

This paper introduces a new co-design approach based on optimization for the modular multilevel converters (MMCs) using wide-bandgap (WBG) switches. This method takes into account several control strategies from the beginning and through the entire procedure. Gallium-Nitride (GaN) mature switches are attractive solutions to increase the compactness and efficiency in embedded applications. It could be a great opportunity for new grid-connected converters, thanks to their improved switching characteristics and lower on-resistance. Nevertheless, their 650 V rating requires the use of multilevel topologies to reach new 1.5 kV DC grids for eco-districts or, more generally, for MVDC grids. The proposed design method is validated using an experimental prototype involving GaN half-bridge submodules (SM-HB).
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Dates and versions

hal-04452104 , version 1 (12-02-2024)

Identifiers

  • HAL Id : hal-04452104 , version 1

Cite

Grégoire Le Goff, Ilias Chorfi, Thierry Sutto, Corinne Alonso. Optimization-based sizing of a modular multilevel converter based on 650 V GaN modules for new LVDC/MVDC Grids. PCIM 2024 - Power Conversion and Intelligent Motion, Jun 2024, Nuremberg, Germany. ⟨hal-04452104⟩
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