Oscillation damping effects of power system stabilizer with eigenvalue analysis method

Fang Liu*, Ryuichi Yokoyama, Min Wu, Yicheng Zhou

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


With the development of power system interconnection, the lowfrequency oscillation (LFO) is becoming more and more prominent which may cause the instability of power systems. In this paper, a standard multi-band power system stabilizer will be presented to damp the potential power oscillation with consideration of the local, inter-area, and global mode. Based on the small signal linearized modelling technology and eigenvalue analysis approach, the oscillation damping effects of power system stabilizers are discussed, which are demonstrated on a 4-machine 2-area system and 16-machine 5-area system. Numerical results show that the multiband power system stabilizer is effective in the power oscillation model analysis and can improve the dynamic performance of the power systems.

Original languageEnglish
Pages (from-to)241-247
Number of pages7
JournalInternational Journal of Power and Energy Systems
Issue number4
Publication statusPublished - 2010


  • 16-machine 5-area system
  • 4-machine 2-area system
  • Eigenvalue analysis
  • Multi-band power system stabilizer
  • Oscillation damping effects
  • Small signal linearized modelling

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology
  • Applied Mathematics


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