Comparative study of popular objective functions for damping power system oscillations in multimachine system

Naz Niamul Islam, M. A. Hannan, Hussain Shareef, Azah Mohamed, M. A. Salam

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Power oscillation damping controller is designed in linearized model with heuristic optimization techniques. Selection of the objective function is very crucial for damping controller design by optimization algorithms. In this research, comparative analysis has been carried out to evaluate the effectiveness of popular objective functions used in power system oscillation damping. Two-stage lead-lag damping controller by means of power system stabilizers is optimized using differential search algorithm for different objective functions. Linearized model simulations are performed to compare the dominant mode's performance and then the nonlinear model is continued to evaluate the damping performance over power system oscillations. All the simulations are conducted in two-area four-machine power system to bring a detailed analysis. Investigated results proved that multiobjective D-shaped function is an effective objective function in terms of moving unstable and lightly damped electromechanical modes into stable region. Thus, D-shape function ultimately improves overall system damping and concurrently enhances power system reliability.

Original languageEnglish
Pages (from-to)549094
Number of pages1
JournalTheScientificWorldJournal
Volume2014
DOIs
Publication statusPublished - 2014

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damping
comparative study
Damping
oscillation
Nonlinear Dynamics
Controllers
Research
heuristics
simulation
Lead
Power (Psychology)
Heuristics
analysis

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Comparative study of popular objective functions for damping power system oscillations in multimachine system. / Niamul Islam, Naz; Hannan, M. A.; Shareef, Hussain; Mohamed, Azah; Salam, M. A.

In: TheScientificWorldJournal, Vol. 2014, 2014, p. 549094.

Research output: Contribution to journalArticle

Niamul Islam, Naz ; Hannan, M. A. ; Shareef, Hussain ; Mohamed, Azah ; Salam, M. A. / Comparative study of popular objective functions for damping power system oscillations in multimachine system. In: TheScientificWorldJournal. 2014 ; Vol. 2014. pp. 549094.
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