A chaos based SVPWM technique for B4 inverter fed two-phase symmetric induction motor for THD EMI improvement at low modulation index

Muhammad Haseeb Arshad, Mahmoud Kassas

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

Based on chaos theory, a hybrid space vector pulse width modulation, Chaotic SVPWM, is proposed. The conventional SVPWM contains harmonic components with higher amplitudes around the switching frequency (fixed) whereas the proposed chaotic SVPWM is operated at chaotic period of the inverter thereby varying the switching frequency for the inverter. Because of this varying switching frequency, the peak value of harmonics got distributed over the output harmonics spectrum of the inverter, effectively suppressing the influence of harmonics and ultimately reducing the current/torque ripple of the induction motor. Furthermore, the proposed scheme is cost efficient, straightforward and can be used to suppress EMI characteristics of the inverter. The design methodology is based on a two-phase power system, but it can easily be extended for n-phase systems as well. The simulation is performed in MATLAB to validate this C-SVPWM control technique.

Original languageEnglish
Title of host publication2019 IEEE Texas Power and Energy Conference, TPEC 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538692844
DOIs
StatePublished - 6 Mar 2019

Publication series

Name2019 IEEE Texas Power and Energy Conference, TPEC 2019

Bibliographical note

Publisher Copyright:
© 2019 IEEE.

Keywords

  • B4-inverter
  • EMI
  • SVPWM
  • bifurcation diagram
  • chaos
  • chaotic carrier
  • lyapunov exponent
  • two-phase symmetric induction motor

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Safety, Risk, Reliability and Quality

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