Stabilizer design based on UPFC using simulated annealing

Reza Hemmati; Sayed Mojtaba Shirvani Boroujeni; Hamideh Delafkar and Amin Safarnezhad Boroujeni

doi:10.17485/ijst/2011/v4i7.3

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Stabilizer design based on UPFC using simulated annealing

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2011/v4i7.3

Year: 2011, Volume: 4, Issue: 7, Pages: 815-820

Original Article

Stabilizer design based on UPFC using simulated annealing

Reza Hemmati^*, Sayed Mojtaba Shirvani Boroujeni, Hamideh Delafkar and Amin Safarnezhad Boroujeni

Department of Electrical Engineering, Boroujen Branch, Islamic Azad University, Boroujen, Iran
[email protected], [email protected], [email protected], [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

This paper presents the application of Unified Power Flow Controller (UPFC) to enhance damping of Low Frequency Oscillations (LFO) at a Single-Machine Infinite-Bus (SMIB) power system installed with UPFC. Since UPFC is considered to mitigate LFO, a supplementary UPFC like power system stabilizer is designed to reach the defined purpose. Simulated Annealing (SA) is used to tune UPFC supplementary stabilizer. To show effectiveness, the proposed method is compared with another optimization method named Genetic Algorithms (GA). Several linear timedomain simulation tests visibly show the validity of proposed method in damping of power system oscillations. Also simulation results emphasis on the better performance of SA in comparison with GA.
Keywords: Flexible AC Transmission Systems, Unified Power Flow Controller, Low Frequency Oscillations, Simulated Annealing, Genetic Algorithms