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Frequency Control Strategy for DFIG—Supercapacitors System Based on Fuzzy Adaptive Control

  • Yaoyun Zhang
  • , Jiandong Duan*
  • , Yuhui Li
  • , Pengfei Zhang
  • , Lihao Zheng
  • *Corresponding author for this work
  • School of Electrical Engineering and Automation, Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

With the increasing penetration of wind power year by year, the number of traditional generating units with inertia response and damping characteristics has been decreasing, significantly weakening the power grid’s frequency support capability. Supercapacitors, known for their fast response speed and high regulation accuracy, are one of the effective solutions to enhance the frequency regulation performance of wind turbines. This paper fully integrates the real-time state information of energy storage systems and power system frequency variations, proposing a fuzzy adaptive control strategy for energy storage that responds to grid frequency changes. The strategy adjusts the power reference value of the supercapacitor by modifying the additional power output through a fuzzy controller. Simulation results demonstrate that the proposed strategy not only adaptively controls the energy storage power to effectively suppress frequency fluctuations but also enables the frequency to recover swiftly to the normal range, ensuring secure and stable operation.

Original languageEnglish
Title of host publicationThe Proceedings of the 20th Annual Conference of China Electrotechnical Society
EditorsQingxin Yang, Dianguo Xu, Xuerong Ye, Qiuyue Nie, Yueshi Guan
PublisherSpringer Science and Business Media Deutschland GmbH
Pages635-643
Number of pages9
ISBN (Print)9789819583362
DOIs
StatePublished - 2026
Externally publishedYes
Event20th Annual Conference of China Electrotechnical Society, ACCES 2025 - Harbin, China
Duration: 19 Sep 202521 Sep 2025

Publication series

NameLecture Notes in Electrical Engineering
Volume1561 LNEE
ISSN (Print)1876-1100
ISSN (Electronic)1876-1119

Conference

Conference20th Annual Conference of China Electrotechnical Society, ACCES 2025
Country/TerritoryChina
CityHarbin
Period19/09/2521/09/25

Keywords

  • Adaptive fuzzy control
  • Doubly-fed induction generator (DFIG)
  • Frequency regulation
  • Supercapacitor energy storage
  • Virtual Synchronous Generator (VSG)

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