Modeling and Comparison of Unbalanced Load Compensation Methods in DFIG Systems Based on Mechanical Constraints

Rasool Peykarporsan*, Soroush Oshnoei, Subham Sahoo, Frede Blaabjerg

*Corresponding author for this work

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

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Abstract

In remote areas, stand-alone wind energy conversion systems (WECSs) are significantly employed to supply the power of local loads. In such conditions, the longevity problem of WECSs is a necessary problem. Therefore, it is necessary to investigate the interaction between electric and mechanical parts of stand-alone WECSs. In the literature, the longevity problem of WECSs has rarely been studied. This paper investigates the interaction between electric and mechanical parts of the doubly- fed induction generator (DFIG)-based WECS in stand-alone mode. In this paper, the matter of compensating a non-linear load from the point of mechanic tension problem on the DFIG shaft has been investigated. To this end, the application of the dynamic voltage restorer (DVR) connected to the stand-alone DFIG is presented to compensate non-linear load. The efficiency of the proposed method is compared with the harmonic rejection technique. The simulation results reveal that the proposed method negates the need for maintenance in the long term and increases the longevity of DFIG.
Original languageEnglish
Title of host publication2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics (COMPEL)
Number of pages6
PublisherIEEE
Publication date24 Dec 2021
ISBN (Print)978-1-6654-3636-6
ISBN (Electronic)978-1-6654-3635-9
DOIs
Publication statusPublished - 24 Dec 2021
Event2021 IEEE 22nd Workshop on Control and Modeling for Power Electronics, COMPEL 2021 - Cartagena, Colombia
Duration: 2 Nov 20215 Nov 2021

Conference

Conference2021 IEEE 22nd Workshop on Control and Modeling for Power Electronics, COMPEL 2021
Country/TerritoryColombia
CityCartagena
Period02/11/202105/11/2021
SeriesIEEE Workshop on Control and Modeling for Power Electronics (COMPEL)
ISSN1093-5142

Keywords

  • DFIG
  • DFIG based wind farm
  • DVR
  • Harmonic Rejection
  • Torque Tension
  • Torque Capability
  • Structural Constraints
  • Mechanical Control
  • Unbalanced Load Compensation

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