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Electrical Engineering

, Volume 100, Issue 2, pp 733–739 | Cite as

Output voltage quality analysis of three-phase multilevel inverters

  • Abir Rehaoulia
  • Habib Rehaoulia
  • Farhat Fnaiech
Original Paper
  • 214 Downloads

Abstract

Multilevel inverters became a key piece in most energy conversion, transportation and management systems. The present paper encompasses a wide total harmonic distortion (THD) investigation of the multilevel inverter output voltages. Such investigation is conducted with cascaded topology for some reasonable number of inverter levels L and various modulation index m. A novel and efficient approach is developed to express analytically the voltage THD bounds. Found upper and lower THD limits for arbitrary L and m apply also for neutral point clamped and flying capacitor topologies. They could really serve as reference for quality analysis of multilevel inverters.

Keywords

Multilevel inverters Voltage quality THD bounds PWM modulation 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Abir Rehaoulia
    • 1
  • Habib Rehaoulia
    • 1
  • Farhat Fnaiech
    • 1
  1. 1.Research Laboratory SIME, ENSITUniversity of TunisTunisia

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