Dynamic Security Assessment of Power Systems Using Trajectory Sensitivity Approach
Nguyen, Tony Bao
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https://hdl.handle.net/2142/80801
Description
Title
Dynamic Security Assessment of Power Systems Using Trajectory Sensitivity Approach
Author(s)
Nguyen, Tony Bao
Issue Date
2002
Doctoral Committee Chair(s)
Pai, M.A.
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
In the restructured environment, power systems are often operated close to the edge of instability. In those scenarios, the problem of dynamic security assessment becomes very important. This study proposes techniques to address various aspects of this problem based on a trajectory sensitivity approach. On the one hand, this approach can easily handle complex models such as differential algebraic equations (DAE), discrete event coupled with DAE, and even hybrid systems. On the other hand, this approach suffers from the requirement of additional computation of the sensitivities. Nevertheless, this approach has provided useful techniques in studying power system stability.
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