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Harmonic suppression and stability analysis of three-phase VSR with cosine internal model control strategy

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

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

Abstract

In this paper, low-frequency harmonics of grid current in the three-phase voltage source rectifier (VSR) are analyzed. It indicates that dead-time effect, harmonics in drive signals and harmonics in grid voltage are the main reasons why harmonics exist in the grid current. Furthermore, a self-adjusting control strategy in current loop is proposed to suppress specific harmonics based on cosine internal model (CIM) control strategy. The system stability is effected by the added controller, and its stability boundary is calculated by Jacobian matrix, which gives constraints to design the controller parameters. Tested waveforms prove that harmonics can be suppressed by the proposed control strategy, and the numerical analysis is correct.

Original languageEnglish
Title of host publication2016 IEEE 8th International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1291-1295
Number of pages5
ISBN (Electronic)9781509012107
DOIs
StatePublished - 13 Jul 2016
Externally publishedYes
Event8th IEEE International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016 - Hefei, China
Duration: 22 May 201626 May 2016

Publication series

Name2016 IEEE 8th International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016

Conference

Conference8th IEEE International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016
Country/TerritoryChina
CityHefei
Period22/05/1626/05/16

Keywords

  • cosine internal model (CIM)
  • harmonic suppression
  • stability boundary
  • voltage source rectifier (VSR)

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