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2011 (Vol. 3, Issue: 08)
Article Information:

Dynamic Stability Enhancement of a Multi Machine Electric Power System Using Unified Power Flow Controller

Ahmad Memaripour, Sayed Mojtaba Shirvani Boroujeni and Reza Hemmati
Corresponding Author:  Sayed Mojtaba Shirvani Boroujeni 

Key words:  Damping power system Oscillations, flexible AC transmission systems, unified power flow controller, , , ,
Vol. 3 , (08): 779-784
Submitted Accepted Published
2011 June, 01 2011 July, 18 2011 August, 30
Abstract:

This study presents the application of Unified Power Flow Controller (UPFC) to improvement dynamic stability of a multi-machine electric power system installed with UPFC. Since UPFC is considered to mitigate Low Frequency Oscillations (LFO) and stability enhancement, therefore a supplementary stabilizer based on UPFC (like power system stabilizer) is designed to reach the defined purpose. Intelligence optimization methods such as Particle Swarm Optimization (PSO) and Genetic Algorithms (GA) are considered for tuning the parameters of UPFC supplementary stabilizer. To show effectiveness of UPFC and also comparing these two optimization methods, the proposed methods are applied and simulated. Several nonlinear time-domain simulation tests visibly show the ability of UPFC in damping of power system oscillations and consequently stability enhancement. Also Simulation results emphasis on the better performance of PSO based Stabilizer in comparison with GA based Stabilizer.
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  Cite this Reference:
Ahmad Memaripour, Sayed Mojtaba Shirvani Boroujeni and Reza Hemmati, 2011. Dynamic Stability Enhancement of a Multi Machine Electric Power System Using Unified Power Flow Controller.  Research Journal of Applied Sciences, Engineering and Technology, 3(08): 779-784.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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