An adaptive hysteresis dead-band-based SVPWM method for multi-level inverter

Mohamed Trabelsi, Lazhar Ben-Brahim, Tomoki Yokoyama, Atsuo Kawamura

Research output: Contribution to journalArticle

Abstract

The fast rise time of output voltage pulses (dv/dt) in PWM multi-level inverters (MLI) is one of the major factors of the increase of electromagnetic interference EMI and the shortness of motor useful life. Moreover, irregular voltage pulses, which only appear for critical modulation indexes, can deepen this interference phenomenon. To overcome this problem, this paper proposes an adaptive hysteresis dead-band (AHDB)-based space vector PWM (SVPWM) method for MLI. The proposed scheme is developed for multilevel cascaded H-bridge (CHB) inverters. In the proposed strategy, general dwell-time equations were derived to achieve the SVPWM for any n-level inverter. Moreover, the dwell-times calculation was made easy by using only two parameters defining regions for a given sector. Furthermore, to remove all irregular pulses from the output voltage, the dead-band of the hysteresis was made variable. Both theoretical analyses and simulation results are presented to show the effectiveness of the proposed method.

Original languageEnglish
Pages (from-to)280-300
Number of pages21
JournalInternational Journal of Power Electronics
Volume5
Issue number3-4
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Vector spaces
Pulse width modulation
Hysteresis
Electric potential
Signal interference
Modulation

Keywords

  • Adaptive hysteresis dead-band
  • AHDB
  • Dynamic dwell-times
  • Irregular voltage pulses compensation
  • Multi-level inverter
  • Power electronics
  • Space vector PWM
  • SVPWM

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

An adaptive hysteresis dead-band-based SVPWM method for multi-level inverter. / Trabelsi, Mohamed; Ben-Brahim, Lazhar; Yokoyama, Tomoki; Kawamura, Atsuo.

In: International Journal of Power Electronics, Vol. 5, No. 3-4, 2013, p. 280-300.

Research output: Contribution to journalArticle

Trabelsi, Mohamed ; Ben-Brahim, Lazhar ; Yokoyama, Tomoki ; Kawamura, Atsuo. / An adaptive hysteresis dead-band-based SVPWM method for multi-level inverter. In: International Journal of Power Electronics. 2013 ; Vol. 5, No. 3-4. pp. 280-300.
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