Common-Mode Filter Design for PWM Rectifier-Based Motor Drives

Mohammadhassan Hedayati (Corresponding Author), Anirudh B. Acharya, Vinod John

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

A common-mode (CM) filter based on the LCL filter topology is proposed in this paper, which provides a parallel path for ground currents and which also restricts the magnitude of the EMI noise injected into the grid. The CM filter makes use of the components of a line to line LCL filter, which is modified to address the CM voltage with minimal additional components. This leads to a compact filtering solution. The CM voltage of an adjustable speed drive using a PWM rectifier is analyzed for this purpose. The filter design is based on the CM equivalent circuit of the drive system. The filter addresses the adverse effects of the PWM rectifier in an adjustable speed drive. Guidelines are provided on the selection of the filter components. Different variants of the filter topology are evaluated to establish the effectiveness of the proposed circuit. Experimental results based on EMI measurement on the grid side and the CM current measurement on the motor side are presented. These results validate the effectiveness of the filter.
Original languageEnglish
Pages (from-to)5364-5371
Number of pages8
JournalIEEE transactions on power electronics
Volume28
Issue number11
Early online date9 Jan 2013
DOIs
Publication statusPublished - Nov 2013

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Pulse width modulation
Topology
Electric potential
Electric current measurement
Equivalent circuits
Networks (circuits)

Keywords

  • AC motor drives
  • electromagnetic compatibility
  • electromagnetic interference
  • passive filters
  • pulse width modulated power converters
  • RLC circuits

Cite this

Common-Mode Filter Design for PWM Rectifier-Based Motor Drives. / Hedayati, Mohammadhassan (Corresponding Author); Acharya, Anirudh B.; John, Vinod.

In: IEEE transactions on power electronics, Vol. 28, No. 11, 11.2013, p. 5364-5371.

Research output: Contribution to journalArticle

Hedayati, Mohammadhassan ; Acharya, Anirudh B. ; John, Vinod. / Common-Mode Filter Design for PWM Rectifier-Based Motor Drives. In: IEEE transactions on power electronics. 2013 ; Vol. 28, No. 11. pp. 5364-5371.
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