A Review of Passive Filters for Grid-Connected Voltage Source Converters

Remus Narcis Beres, Xiongfei Wang, Frede Blaabjerg, Claus Leth Bak, Marco Liserre

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

68 Citations (Scopus)

Abstract

LCL filter is the common interface between the Pulse Width Modulated Voltage Source Converter (PWM VSC) and the utility grid due to high harmonic attenuation capability and reduced size of the passive elements. The present paper investigates the most promising passive damping methods for
the LCL topology but also propose an overview of high order filters capable to offer even more attenuation than the LCL filter at a reduced size. This is the case of more recently introduced LCL topology with tuned traps. However, it is shown that by decreasing the size of the passive elements the robustness of the filter also is decreased. Thus, a comparison of the filter features including the robustness towards grid impedance variation, harmonic attenuation capability and losses in the damping circuit became interesting from a practical implementation point of view. The design of the proposed filters is validated by simulation and experimental results and covers two scenarios: high and low/medium power applications.
Original languageEnglish
Title of host publicationProceedings of the 29th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2014
Number of pages8
PublisherIEEE Press
Publication dateMar 2014
Pages2208-2215
ISBN (Print)9781479923250
ISBN (Electronic)9781479923267
DOIs
Publication statusPublished - Mar 2014
EventApplied Power Electronics Conference and Exposition, APEC 2014 - Fort Worth, Texas, United States
Duration: 16 Mar 201420 Mar 2014

Conference

ConferenceApplied Power Electronics Conference and Exposition, APEC 2014
Country/TerritoryUnited States
CityFort Worth, Texas
Period16/03/201420/03/2014
SeriesI E E E Applied Power Electronics Conference and Exposition. Conference Proceedings
ISSN1048-2334

Keywords

  • LCL filter
  • Power harmonic passive filters
  • Voltage-source converters
  • Stability
  • Damping losses

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