On-line identification and control through series converter voltage of a unified power flow controller

Abu H.M.A. Rahim*, Samir A. Al-Baiyat

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The dynamic performance of a power system can be improved by controlling the voltage magnitude and phase angle of the converter voltages in the unified power flow controller (UPFC). Self-tuning adaptive control of the voltage magnitude of the series converter for stabilization of a power system is presented in this paper. The plant parameters are identified through a regressive least square algorithm and the stabilizing control is derived through a pole-shifting technique using the adaptive plant model. The controller has been tested for ranges of operating conditions and for various disturbances. From a number of simulation studies on a single machine infinite bus power system it was observed that the adaptive algorithm converges very quickly and also provides robust damping profiles.

Original languageEnglish
Pages (from-to)113-118
Number of pages6
JournalMediterranean Journal of Measurement and Control
Volume2
Issue number3
StatePublished - 2006

Keywords

  • Adaptive control
  • Damping enhancement
  • Pole - shifting method
  • Power system control
  • UPFC

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Instrumentation

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