Small-Signal Model of STATCOM and Its Model Validation

Hong Gong, Xiongfei Wang, Dongsheng Yang

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

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Abstract

This paper proposes a small-signal model of STATCOM based on theoretical derivation. This theoretical model is obtained by linearization of the dc-link control loop, Phase-Locked Loop (PLL), ac voltage control loop under the weak grid condition. In order to validate the correctness of this small-signal model, an identified model in the form of transfer function matrix is obtained by Output Error with Extended Prediction Model (OEEPM) identification method using the data acquired from the nonlinear time-domain simulation. The two developed models are compared using the time-domain simulations conducted in MATLAB/Simulink. Based on the compared results disturbance, the accuracy and applicability of the proposed small-signal model have been discussed.
Original languageEnglish
Title of host publicationProceedings of the 2018 IEEE Power & Energy Society General Meeting (PESGM)
Number of pages5
PublisherIEEE Press
Publication dateAug 2018
Pages1-5
Article number18PESGM1690
ISBN (Print)978-1-5386-7704-9
ISBN (Electronic)978-1-5386-7703-2
DOIs
Publication statusPublished - Aug 2018
Event2018 IEEE Power and Energy Society General Meeting, PESGM 2018 - Portland, United States
Duration: 5 Aug 201810 Aug 2018

Conference

Conference2018 IEEE Power and Energy Society General Meeting, PESGM 2018
Country/TerritoryUnited States
CityPortland
Period05/08/201810/08/2018
SeriesIEEE Power and Energy Society General Meeting
ISSN1944-9925

Keywords

  • Small-signal model
  • STATCOM
  • Identification
  • model validation

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