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Abstract
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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
Submitted: 2011 June, 01
Accepted: 2011 July, 18
Published: 2011 August, 30 |
Abstract:
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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.
Key words: Damping power system Oscillations, flexible AC transmission systems, unified power flow controller, , , ,
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Cite this Reference:
Ahmad Memaripour, Sayed Mojtaba Shirvani Boroujeni and Reza Hemmati, . Dynamic Stability Enhancement of a Multi Machine Electric Power System Using Unified Power Flow Controller. Research Journal of Applied Sciences, Engineering and Technology, (08): 779-784.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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