Ripple Ports Arrangements in DAB Assisted Modular Multilevel Converter for Low Voltage Applications

Luca Tarisciotti, Rodrigo Aguilar Villaseca, Javier Pereda Torres, Paolo Bolognesi

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Modular Multilevel Converters efficiency, modularity and power quality make them perfectly suitable for high and medium voltage applications. The main drawbacks are the high capacitances required, numerous measurements system and high control complexity. These problems make the converter unsuitable for low voltage applications, mainly because of the limited space and the complexity involved. In order to solve these issues modification to the classical MMC topology has been proposed. This work presents the design and arrangements of ripple ports to equalize the floating capacitor voltages when a low value of capacitance is considered, considering Dual Active Bridge converters as the main block to interlink the MMC Sub-Modules. The proposed work considers open loop control of the DAB converters analyzing the two main arrangements, series and parallel, of the ripple ports, deriving fundamental equations and considering operation at zero phase shift for the DAB. The obtained MMC structures are validated through simulations.

Original languageEnglish
Title of host publication2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2491-2498
Number of pages8
ISBN (Electronic)9798350316445
DOIs
Publication statusPublished - 2023
Event2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 - Nashville, United States
Duration: 29 Oct 20232 Nov 2023

Publication series

Name2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023

Conference

Conference2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023
Country/TerritoryUnited States
CityNashville
Period29/10/232/11/23

Keywords

  • Chain-Link converters
  • Dual Active Bridge
  • Modular Multilevel Converter
  • Power Electronics

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering

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