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Abstract
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Article Information:
Multi-Machine Power System Stabilizer Design using Quantitative Feedback Theory
Sayed Mojtaba Shirvani Boroujeni, Babak Keyvani Boroujeni and Mostafa Abdollahi
Corresponding Author: shirvani
Submitted: March 10, 2012
Accepted: April 04, 2012
Published: January 01, 2013 |
Abstract:
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Power System Stabilizers (PSSs) are used to enhance damping of power system oscillations through excitation
control of synchronous generator. The objective of the PSS is to generate a stabilizing signal, which produces a damping
torque component on the generator shaft. Conventional PSSs are designed with the phase compensation technique in the
frequency domain and include the lead-lag blocks whose parameters are determined according to a linearized power
system model. The performance of Conventional PSSs (CPSSs) depends upon the generator operating point and the
system parameters, but a reasonable level of robustness can be achieved depending on the tuning method. To overcome
the drawbacks of CPSS, numerous techniques have been proposed in literatures. In this paper a robust method based on
Quantitative Feedback Theory (QFT) Algorithm is used for tuning the PSS parameters. The proposed QFT-PSS is
evaluated at a multi machine electric power system. The simulation results clearly indicate the effectiveness and validity
of the proposed method.
Key words: Low frequency oscillations, multi machine electric power system, power system stabilizer,, quantitative feedback theory, , ,
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Cite this Reference:
Sayed Mojtaba Shirvani Boroujeni, Babak Keyvani Boroujeni and Mostafa Abdollahi, . Multi-Machine Power System Stabilizer Design using Quantitative Feedback Theory. Research Journal of Applied Sciences, Engineering and Technology, (01): 94-99.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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