Asymptotic time domain evaluation of a multilevel multiphase PWM converter voltage quality

Alex Ruderman, Boris Reznikov, Sergio Busquets-Monge

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Voltage total harmonic distortion and quadratic voltage ripple criteria are accepted figures of merit of a multilevel pulse width modulation (PWM) converter voltage quality. The dominating frequency domain approach does not deliver simple closed-form expressions and practically requires accounting up to 40-50 switching harmonics. Assuming infinitely high switching frequency, suggested time domain approach to a multilevel multiphase PWM voltage quality evaluation provides closed-form piece-wise analytical solutions. These simple formulas clearly reveal the dependence on modulation index for arbitrary voltage level and odd phase numbers. The results are applicable to any type of multilevel converters (including interleaved, open winding and other) operated with nearest level/nearest space vector modulation and relatively high switching frequency.

Original languageEnglish
Article number6339055
Pages (from-to)1999-2009
Number of pages11
JournalIEEE Transactions on Industrial Electronics
Volume60
Issue number5
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Pulse width modulation
Electric potential
Switching frequency
Modulation
Harmonic distortion
Vector spaces

Keywords

  • AC motor drives
  • dc-ac power conversion
  • pulse width modulated power converters

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Systems Engineering
  • Computer Science Applications

Cite this

Asymptotic time domain evaluation of a multilevel multiphase PWM converter voltage quality. / Ruderman, Alex; Reznikov, Boris; Busquets-Monge, Sergio.

In: IEEE Transactions on Industrial Electronics, Vol. 60, No. 5, 6339055, 2013, p. 1999-2009.

Research output: Contribution to journalArticle

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