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2013 (Vol. 5, Issue: 01)
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 

Key words:  Low frequency oscillations, multi machine electric power system, power system stabilizer,, quantitative feedback theory, , ,
Vol. 5 , (01): 94-99
Submitted Accepted Published
March 10, 2012 April 04, 2012 January 01, 2013
Abstract:

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.
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  Cite this Reference:
Sayed Mojtaba Shirvani Boroujeni, Babak Keyvani Boroujeni and Mostafa Abdollahi, 2013. Multi-Machine Power System Stabilizer Design using Quantitative Feedback Theory.  Research Journal of Applied Sciences, Engineering and Technology, 5(01): 94-99.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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