Damping improvement using a multiple input controller in a TCSC device

Qian Liu, Vijay Vittal, Nicola Elia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, a secondary feedback signal is applied to introduce more flexibility in the controller design with regard to the achievable damping performance. A two-input singleoutput (TISO) controller for a TCSC device is designed in the IEEE 50-machine test system. The theoretical basis for using an additional feedback signal is presented and the results from the small signal analysis and dynamic simulations show that the TISO controller can achieve significantly better damping at each operating point than a single-input single-output (SISO) controller. Furthermore, the damping improvement from the TISO controller increases with the increase in system stress level. Thus the TISO controller can extend the system operating range with satisfactory damping.

Original languageEnglish (US)
Title of host publication2006 IEEE Power Engineering Society General Meeting, PES
StatePublished - Dec 1 2006
Externally publishedYes
Event2006 IEEE Power Engineering Society General Meeting, PES - Montreal, QC, Canada
Duration: Jun 18 2006Jun 22 2006

Other

Other2006 IEEE Power Engineering Society General Meeting, PES
CountryCanada
CityMontreal, QC
Period6/18/066/22/06

Keywords

  • Coprime factorization
  • Damping controller
  • FACTS
  • IEEE 50-machine test system
  • TISO controller

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