A new cascaded multilevel H-bridge drive

Keith Corzine, Yakov Familiant

Research output: Contribution to journalArticlepeer-review

376 Citations (Scopus)


In this paper, a general structure for cascaded power converters is presented in which any number of H-bridge cells having any number of voltage levels are series connected to form an inverter phase leg. Equations are introduced for determining an optimal voltage ratio of dc voltages for the H-bridge cells which will maximize the number of voltage levels obtainable resulting in high power quality. Special cases of the generalized inverter are presented including novel 11-level and 15-level inverters. Laboratory measurements demonstrate the proposed inverter performance.

Original languageEnglish
Pages (from-to)125-131
Number of pages7
JournalIEEE Transactions on Power Electronics
Issue number1
Publication statusPublished - Jan 2002


  • Cascaded
  • Hybrid
  • Medium voltage
  • Multilevel
  • Power quality
  • Three-level

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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