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Abstract
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Article Information:
Designing a Robust Power System Stabilizer via Probabilistic Analysis of System Eigenvalues
Rouhollah Falahati-Naghibi, Younes Ghasemian and Reza Ahmadi Kordkheili
Corresponding Author: Rouhollah Falahati
Submitted: February 18, 2012
Accepted: April 30, 2012
Published: January 01, 2013 |
Abstract:
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Power system stability has always been a serious issue for system operators. Power System Stabilizer (PSS)
is a common equipment to improve stability conditions in generators. PSS improve system stability by shifting
eigenvalues of system. A common method in traditional PSS is to presume grid parameters, as well as load characteristics
as constant values. The fact is, however, in real operating conditions, system and load parameters are not constant.
Therefore, different variables and uncertainties such as load value, network design and changes in controller parameters
have to be considered. Proper statistic distribution is a common method for modeling uncertainties of parameters. This
study focuses on designing PSS via analysis of probabilistic eigenvalues. Then, to prove design authenticity, the method
is applied on a test 8-machie system.
Key words: Eigenvalues, normal dispatch function, probabilistic analysis, robust stabilizer, , ,
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Cite this Reference:
Rouhollah Falahati-Naghibi, Younes Ghasemian and Reza Ahmadi Kordkheili, . Designing a Robust Power System Stabilizer via Probabilistic Analysis of System Eigenvalues. Research Journal of Applied Sciences, Engineering and Technology, (01): 79-87.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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