Modeling and control of VSI type FACTS controllers for power system dynamic stability using the current injection method

Jungsoo Park, Gilsoo Jang, Kwang M. Son

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

This paper describes modeling Voltage Sourced Inverter (VSI) type Flexible AC Transmission System (FACTS) controllers and control methods for power system dynamic stability studies. The considered FACTS controllers are the Static Compensator (STATCOM), the Static Synchronous Series Compensator (SSSC), and the Unified Power Flow Controller (UPFC). In this paper, these FACTS controllers are derived in the current injection model, and it is applied to the linear and nonlinear analysis algorithm for power system dynamics studies. The parameters of the FACTS controllers are set to damp the inter-area oscillations, and the supplementary damping controllers and its control schemes are proposed to increase damping abilities of the FACTS controllers. For these works, the linear analysis for each FACTS controller with or without damping controller is executed, and the dynamic characteristics of each FACTS controller are analyzed. The results are verified by the nonlinear analysis using the time-domain simulation.

Original languageEnglish
Pages (from-to)495-505
Number of pages11
JournalInternational Journal of Control, Automation and Systems
Volume6
Issue number4
Publication statusPublished - 2008 Aug 1

Keywords

  • FACTS
  • FACTS control
  • Power system dynamic stability
  • SSSC
  • STATCOM
  • UPFC

ASJC Scopus subject areas

  • Control and Systems Engineering

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