Investigating DC-link voltage ripple in multi-phase diode-clamped three level inverters

J.E. Fletcher, L. Gao, D. Reay

Research output: Contribution to journalArticle

Abstract

Diode-clamped, three-level, three-phase inverters display mid-point voltage excursions that cause low-frequency harmonic distortion in the output voltage spectrum. This paper illustrates that a significant reduction in the excursion is achieved by adopting a multi-phase approach. Practical and simulation results are presented.
Original languageEnglish
Pages (from-to)68-70
Number of pages3
JournalInternational Review of Electrical Engineering
Volume2
Issue number1
Publication statusPublished - 2007

Keywords

  • multi-level multi-phase
  • voltage imbalance
  • diode clamped inverter

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