State of charge balancing after hot swap for cascaded H-bridge multilevel converters

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1 Citation (Scopus)

Abstract

In battery supplied multilevel converters it is a common problem to maintain the energy balance between the energy storage placed in different modules. Large unbalance between the state-of-charge (SoC) appears when a damaged battery module is exchanged, and with high probability the newly inserted battery module has different SoC than the other modules. In case the unbalance is large it takes long time to equalize the modules SoC. In this paper a method to minimize the time used for the balancing is proposed. The proposed method is an extension of the nearest level control with sorting and selection based balancing, thus, it can be implemented as an addition to the nearest level control method.
Original languageEnglish
Title of host publicationProceedings of the 2017 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) & 2017 Intl Aegean Conference on Electrical Machines and Power Electronics (ACEMP)
Number of pages6
PublisherIEEE Press
Publication dateMay 2017
Pages741-746
Article number7975057
ISBN (Electronic)978-1 5090-4489-4
DOIs
Publication statusPublished - May 2017
Event2017 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) & 2017 Intl Aegean Conference on Electrical Machines and Power Electronics (ACEMP) - Brasov, Romania
Duration: 25 May 201727 May 2017

Conference

Conference2017 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) & 2017 Intl Aegean Conference on Electrical Machines and Power Electronics (ACEMP)
Country/TerritoryRomania
CityBrasov
Period25/05/201727/05/2017

Keywords

  • Active balancing
  • Battery charger
  • Cascaded H bridge
  • Motor control
  • Multilevel Converter

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