Modular-Concatenated-Cell (MCC) Multilevel Converter: A Novel Circuit Topology and Innovative Logic-Equations-Based Control Technique

Vahid Dargahi, Keith A. Corzine, Johan H. Enslin, Arash Khoshkbar Sadigh, Jose Rodriguez, Frede Blaabjerg

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

This paper introduces a new circuit topology for multilevel converters. The proposed multilevel converter circuitry is realized by the cascaded connection of a 2-level converter and modular-concatenated-cell (MCC) H-bridge cells. In the proposed MCC multilevel topology, the classic two-level converter functions as the main converter through generating the major voltage-steps, whereas auxiliary concatenated H-bridge cells produce the intermediate voltage-levels. The overall output voltage is formed by adding the intermediate voltage-levels to the major ones. The crucial distinction between the cascaded H-bridge (CHB) converters and proposed MCC multilevel converter topology is that the latter exploits flying-capacitors (FCs) instead of isolated dc-voltage sources, and uses per-phase redundant switching states to regulate FC voltages. The voltage rating of semiconductor power switches and FCs within the concatenated cells of the proposed MCC multilevel converter all are 1 p.u. that lead to a modular structure.

Original languageEnglish (US)
Title of host publication2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2970-2975
Number of pages6
ISBN (Electronic)9781479973118
DOIs
StatePublished - Dec 3 2018
Event10th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2018 - Portland, United States
Duration: Sep 23 2018Sep 27 2018

Publication series

Name2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018

Other

Other10th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2018
CountryUnited States
CityPortland
Period9/23/189/27/18

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Control and Optimization
  • Computer Networks and Communications
  • Hardware and Architecture
  • Information Systems and Management

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    Dargahi, V., Corzine, K. A., Enslin, J. H., Sadigh, A. K., Rodriguez, J., & Blaabjerg, F. (2018). Modular-Concatenated-Cell (MCC) Multilevel Converter: A Novel Circuit Topology and Innovative Logic-Equations-Based Control Technique. In 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018 (pp. 2970-2975). [8558367] (2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE.2018.8558367