Time-Domain optimization of current THD for a single-phase three-level inverter modulation

Aidar Zhetessov, Alexander Ruderman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

The paper focuses on optimal current quality (minimal Total Harmonic Distortion-THD) for a single-phase three-level inverter modulation. Previous works addressed optimal THD problem in frequency domain accounting for a limited number of harmonics. The uniqueness of this work is in its time-domain formulation of minimal current THD problem, which facilitates optimization accounting for all harmonics. Moreover, new term of pattern selectivity is introduced for large angle counts. Pattern selectivity is used to reduce optimization time by eliminating unnecessary voltage patterns, which do not result in optimal current waveforms in any modulation index range. Optimal switching angles and respective minimal THD values are obtained for various switching angle counts for the whole fundamental voltage harmonic (modulation index) range. Simulations comply with theoretical optimization findings.

Original languageEnglish
Title of host publicationProceedings - 2017 19th International Conference on Electrical Drives and Power Electronics, EDPE 2017
PublisherKoREMA
Pages82-87
Number of pages6
Volume2017-October
ISBN (Electronic)9781538633809
DOIs
Publication statusPublished - Nov 27 2017
Event19th International Conference on Electrical Drives and Power Electronics, EDPE 2017 - Dubrovnik, Croatia
Duration: Oct 4 2017Oct 6 2017

Conference

Conference19th International Conference on Electrical Drives and Power Electronics, EDPE 2017
CountryCroatia
CityDubrovnik
Period10/4/1710/6/17

Keywords

  • pattern selectivity
  • Single-Phase Three-Level inverter modulation
  • time-domain optimization

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Mechanical Engineering

Fingerprint Dive into the research topics of 'Time-Domain optimization of current THD for a single-phase three-level inverter modulation'. Together they form a unique fingerprint.

Cite this