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Electromagnetic Integration of a Symmetrical LCL-EMI Filter for Grid-Connected Voltage-Source Converters

  • School of Electrical Engineering and Automation, Harbin Institute of Technology
  • Nanyang Technological University

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

Abstract

Switching harmonics and conducted electromagnetic interference (EMI) emissions are two challenging issues in grid-tied converters. Utilizing relevant passive filters is a major solution to such issues, these filters enlarge the total volume and weight of the system. Many works have been done to integrate the filtering components to varying degrees. For achieving the highest integration design, this paper proposes an ultimate integration approach of a symmetrical LCL-EMI filter with flexible multilayer foil (FMLF) technique. All the harmonic and EMI suppression components are integrated into the same core unit. A prototype of the proposed integrated filter is built for a 1-kW SiC-MOSFET grid-tied inverter, experiments are carried out to demonstrate the feasibility and superiority of the approach.

Original languageEnglish
Title of host publication2024 IEEE Joint International Symposium on Electromagnetic Compatibility, Signal and Power Integrity
Subtitle of host publicationEMC Japan/Asia Pacific International Symposium on Electromagnetic Compatibility, EMC Japan/APEMC Okinawa 2024 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages313-316
Number of pages4
ISBN (Electronic)9784885523472
DOIs
StatePublished - 2024
Externally publishedYes
Event2024 IEEE Joint International Symposium on Electromagnetic Compatibility, Signal and Power Integrity: EMC Japan/Asia Pacific International Symposium on Electromagnetic Compatibility, EMC Japan/APEMC Okinawa 2024 - Okinawa, Japan
Duration: 20 May 202424 May 2024

Publication series

Name2024 IEEE Joint International Symposium on Electromagnetic Compatibility, Signal and Power Integrity: EMC Japan/Asia Pacific International Symposium on Electromagnetic Compatibility, EMC Japan/APEMC Okinawa 2024 - Proceedings

Conference

Conference2024 IEEE Joint International Symposium on Electromagnetic Compatibility, Signal and Power Integrity: EMC Japan/Asia Pacific International Symposium on Electromagnetic Compatibility, EMC Japan/APEMC Okinawa 2024
Country/TerritoryJapan
CityOkinawa
Period20/05/2424/05/24

Keywords

  • LCL-EMI filter
  • Switching harmonic
  • electromagnetic interference (EMI)
  • flexible multilayer foil (FMLF) technique

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