Optimization and coordination of damping controls for optimal oscillations damping in multi-machine power system

Mahdiyeh Eslami, Hussain Shareef, Azah Mohamed

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

This paper proposes a novel optimization technique for simultaneous coordinated designing of power system stabilizer (PSS) and static VAR compensator (SVC) as a damping controller in the multi-machine power system. PSO and chaos theory is hybridized to form a chaotic PSO (CPSO), which reasonably combines the population-based evolutionary searching ability of PSO and chaotic searching behavior. The coordinated design problem of PSS and SVC controllers over a wide range of loading conditions are formulated as a multi-objective optimization problem which is the aggregation of the two objectives related to the damping ratio and damping factor. The proposed damping controllers are tested on a weakly connected power system. The effectiveness of the proposed controllers is demonstrated through the eigenvalue analysis and nonlinear time-domain simulation. The results of these studies show that the proposed coordinated controllers have an excellent capability in damping power system inter- area oscillations and enhance greatly the dynamic stability of the power system. Moreover, it is superior to both the manually coordinated stabilizers of the PSS and the SVC damping controller.

Original languageEnglish
Pages (from-to)1984-1993
Number of pages10
JournalInternational Review of Electrical Engineering
Volume6
Issue number4
Publication statusPublished - Jul 2011

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Damping
Controllers
Particle swarm optimization (PSO)
Multiobjective optimization
Chaos theory
Agglomeration

Keywords

  • Chaotic
  • Coordinated design
  • PSO
  • PSS
  • SVC

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Optimization and coordination of damping controls for optimal oscillations damping in multi-machine power system. / Eslami, Mahdiyeh; Shareef, Hussain; Mohamed, Azah.

In: International Review of Electrical Engineering, Vol. 6, No. 4, 07.2011, p. 1984-1993.

Research output: Contribution to journalArticle

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