Novel Three-Phase Multilevel Inverter with Reduced Components for Low- And High-Voltage Applications

Ahmed Salem, Huynh Van Khang, Kjell G. Robbersmyr, Margarita Norambuena, Jose Rodriguez

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

In this article, a novel multilevel topology for three-phase applications, having three-level and hybrid N-level modular configurations, enabling low-, medium-, and high-voltage operations, is presented. The proposed topology has several attractive features, namely reduced component count, being capacitor-, inductor-, and diode-free, lowering cost, control-complexity, and size, and can operate in a wide range of voltages and powers. Selected simulation and experimental results are presented to verify the performance of the proposed topology. Further, the overall efficiency of the topology and loss distribution in switches are studied. Finally, the key features of the proposed topology in terms of component count, blocking voltage, and dc-link requirements are highlighted via a comparative study.

Original languageEnglish
Article number9108574
Pages (from-to)5978-5989
Number of pages12
JournalIEEE Transactions on Industrial Electronics
Volume68
Issue number7
DOIs
Publication statusPublished - Jul 2021

Keywords

  • DC-AC power converters
  • low-frequency modulation (LFM)
  • multilevel inverters (MLIs)
  • pulsewidth modulation

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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