A comprehensive review of emi filter network architectures: Synthesis, optimization and comparison

Saikat Dey, Ayan Mallik

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


This paper presents a volumetric comparison among three possible optimized three phase EMI filter structures, a three phase PFC converter used in cutting edge applications, such as avionics, space or shipboard power systems. The size minimization of each of the filter structures, described in the paper, was performed utilizing the volumetric optimization methodology proposed in the paper. This paper theoretically demonstrates the design steps for choosing the appropriate filter component values and number of filter stages to achieve the smallest volume of the DM filter stage for any given EMI filter structure. While the validation of the proposed design methodology was done through a MATLAB simulation, an experimental verification was also performed by designing and comparing the optimized EMI filter structures for a 2.3 kW proof-of-concept of a three-phase boost PFC converter for more electric aircraft (MEA) applications to comply with the stringent EMI requirements of the DO-160F standard.

Original languageEnglish (US)
Article number1919
JournalElectronics (Switzerland)
Issue number16
StatePublished - Aug 2 2021


  • CM filter
  • DM filter
  • EMI
  • EMI filter volume optimization
  • Three phase PFC

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Signal Processing
  • Hardware and Architecture
  • Computer Networks and Communications
  • Electrical and Electronic Engineering


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