2 Citations (Scopus)
63 Downloads (Pure)

Abstract

This paper proposes a robust H∞ current control of a three-phase LCL-filtered grid-connected voltage source converter (VSC). As main contributions, new modeling for three-phase grid-connected VSC is presented that considers control input delay and grid impedance variations. The linear matrix inequalities (LMIs) formulation and polytopic type uncertainty representation are employed to achieve this goal. The performance of the proposed control strategy is investigated under different grid short circuit ratios (SCRs). Simulation and experimental results confirm the excellent performance of the proposed control method under different grid conditions.
Original languageEnglish
Title of host publicationProceedings of the 2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics (COMPEL)
Number of pages6
PublisherIEEE Press
Publication dateNov 2021
Pages1-6
Article number9646071
ISBN (Print)978-1-6654-3636-6
ISBN (Electronic)978-1-6654-3635-9
DOIs
Publication statusPublished - Nov 2021
Event2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics (COMPEL) - Cartagena, Colombia
Duration: 2 Nov 20215 Nov 2021

Conference

Conference2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics (COMPEL)
LocationCartagena, Colombia
Period02/11/202105/11/2021
SeriesIEEE Workshop on Control and Modeling for Power Electronics (COMPEL)
ISSN1093-5142

Keywords

  • Grid-connected voltage source converter
  • Robust H∞ current control
  • Linear Matrix inequalities (LMIs)
  • Weak grids

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