Small-signal model of a decoupled double synchronous reference frame current controller

Mohammadkazem Bakhshizadeh Dowlatabadi, Jester Hjerrild, Lukasz Kocewiak, Bo Hesselbæk, Xiongfei Wang, Frede Blaabjerg, Claus Leth Bak

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

3 Citations (Scopus)

Abstract

The converter behavior in harmonic studies or harmonic stability analysis can be evaluated by its output impedance. In order to overcome the nonlinearities introduced by the PLL, linearized models around the operating point are typically used. However, in the case of an imbalance in the system the dq signals are not dc anymore, and therefore, linearization cannot be done. In this paper a Decoupled Double Synchronous Frame PLL is used to eliminate the oscillations in the dq frame signals. The small signal model of this PLL including an unbalanced current controller is presented in this paper.
Original languageEnglish
Title of host publicationProceedings of IEEE 17th Workshop on Control and Modeling for Power Electronics (COMPEL), 2016
Number of pages6
PublisherIEEE Press
Publication dateJun 2016
ISBN (Electronic)978-1-5090-1815-4
DOIs
Publication statusPublished - Jun 2016
Event2016 IEEE COMPEL - Trondheim, Norway
Duration: 28 Jun 20161 Jul 2016

Conference

Conference2016 IEEE COMPEL
Country/TerritoryNorway
CityTrondheim
Period28/06/201601/07/2016

Keywords

  • Phase locked loop
  • Current control
  • Harmonic studies

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