Dynamic Extension Algorithm Based Tracking Control of STATCOM Via Port-Controlled Hamiltonian System

Yonghao Gui, Chung Choo Chung*, Frede Blaabjerg, Mads Graungaard Taul

*Corresponding author

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

In this article, a novel passivity-based control strategy is proposed for the exponentially stable tracking controller design of static synchronous compensator (STATCOM) system, which is a single input and single output. The STATCOM is not an input-affine system but a special port-controlled Hamiltonian system form. Hence, it is regularized by using a dynamic extension algorithm so that the proposed tracking control strategy is designed in an input-output linearization framework with a bounded solution to the driven zero dynamics equation. The proposed control strategy is proposed with consideration of the performance and stability of the input-output linearized dynamics. Simulation results show that the proposed control strategy improves the transient performance of the system compared to the previous results even in the lightly damped operating range.

Original languageEnglish
Article number8918262
JournalI E E E Transactions on Industrial Informatics
Volume16
Issue number8
Pages (from-to)5076-5087
Number of pages12
ISSN1551-3203
DOIs
Publication statusPublished - Aug 2020

Keywords

  • Dynamic extension algorithm
  • STATCOM
  • exponentially stable
  • input-output linearization (IOL)
  • port-controlled Hamiltonian (PCH)

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