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Advance Coordinative Control for the PCC Voltage Fluctuations of the Asynchronous Wind Generator Based on the STATCOM with TSC

  • School of Electrical Engineering and Automation, Harbin Institute of Technology
  • Daqing Petroleum Institute

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

Abstract

Based on the STATCOM+TSC hybrid reactive power compensation system, a multiple timescale advance coordinative control strategy is proposed to suppress voltage fluctuations at the point of common coupling (PCC) in the wind farm consisted of asynchronous wind generator. At first, wavelet MALLAT algorithm and hybrid neural network (HNN) algorithm are used to accurately forecast wind speed in the next 15 minutes. Second, in order to reasonably allocate reactive compensation capacity to STATCOM and TSC, expert decision-making algorithm is utilized. Forecasted wind speed is used to control working number and switching time of TSC in advance. Residual reactive capacity is compensated by STATCOM which has the advantage of high accuracy. Fuzzy-PI controller is used in PCC voltage outer loop to improve dynamic response time for STATCOM. The results of simulation model verify the feasibility and efficiency of this control strategy.

Original languageEnglish
Title of host publication2019 22nd International Conference on Electrical Machines and Systems, ICEMS 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728133980
DOIs
StatePublished - Aug 2019
Externally publishedYes
Event22nd International Conference on Electrical Machines and Systems, ICEMS 2019 - Harbin, China
Duration: 11 Aug 201914 Aug 2019

Publication series

Name2019 22nd International Conference on Electrical Machines and Systems, ICEMS 2019

Conference

Conference22nd International Conference on Electrical Machines and Systems, ICEMS 2019
Country/TerritoryChina
CityHarbin
Period11/08/1914/08/19

Keywords

  • Fuzzy-PI controller
  • STATCOM
  • TSC
  • expert decision-making algorithm

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