Online Optimal Feedback Voltage Control of Wind Farms: Decentralized and Asynchronous Implementations

Yifei Guo, houlei Gao, Dong Wang, Qiuwei Wu

Research output: Contribution to journalJournal articlepeer-review

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Abstract

In this letter, we propose an optimal voltage feed-back control algorithm for wind farms where the voltage set-point of wind-farm-side voltage source converter (WFVSC) and reactive powers of wind turbines (WTs) are coordinated. The proposed control establishes on the gradient descent and operates in an online fashion. Each WT updates its reactive power based on the local instantaneous terminal voltage and therefore, the proposed control can be implemented in a decentralized manner. Besides, we also address its asynchronous counterpart to enhance the practical applicability in real world.
Original languageEnglish
JournalIEEE Transactions on Sustainable Energy
Volume12
Issue number2
Pages (from-to)1489 - 1492
ISSN1949-3029
DOIs
Publication statusPublished - 2021

Keywords

  • Decentralized control
  • Gradient projection
  • Online optimization
  • Voltage control
  • Gradient projection, online optimization, voltage control, voltage source converter-based high-voltage direct-current (VSC-HVDC)
  • Wind farm

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