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Common-Mode Voltage Mitigation Technique in Motor Drive Applications by Applying a Sampling-Time Adaptive Multi-Carrier PWM Method

  • Abraham Marquez Alcaide
  • , Hao Yan*
  • , Xuchen Wang
  • , Jose I. Leon
  • , Ramon Portillo
  • , Giampaolo Buticchi
  • , Sergio Vazquez
  • , Vito Giuseppe Monopoli
  • , Marco Liserre
  • , Leopoldo G. Franquelo
  • *Corresponding author for this work
  • University of Seville
  • Northwestern Polytechnical University Xian
  • Harbin Institute of Technology
  • University of Nottingham Ningbo China
  • Polytechnic University of Bari
  • Kiel University

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

Common-mode voltage (CMV) in electric drives causes leakage current causing consequently EMI problems, loss and reduction of their components' lifetime. Several solutions have been proposed which usually lead to higher cost because additional components are used. This paper is focused on the mitigation of the resulting CMV produced by the operation of the VSD by means of a specifically designed PWM method. The proposal is based on the analysis of the CMV harmonic spectrum using the Fourier analysis. The CMV mitigation is achieved by modifying the time-shift displacement of the carriers each sampling time considering a multi-carrier PWM technique. The resulting method has been evaluated in a down scaled experimental setup and it is easily implementable on mostly off-the-shelf mid-range micro-controller control platforms.

Original languageEnglish
Article number9395444
Pages (from-to)56115-56126
Number of pages12
JournalIEEE Access
Volume9
DOIs
Publication statusPublished - 2021
Externally publishedYes

Keywords

  • Harmonic analysis
  • motor drives
  • pulse width modulation

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