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Design of a Low-order Pole Placement Power System Stabilizer Using Simultaneous Stabilization  

Kim, Seog-Joo (한국전기연구원)
Lee, Jong-Moo (한국전기연구원)
Kwon, Soon-Man (한국전기연구원)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.10, 2008 , pp. 1708-1712 More about this Journal
Abstract
This paper describes a linear matrix inequality (LMI) approach to the design of robust low-order power system stabilizers (PSSs), which are used to damp out local-mode oscillations of synchronous generators. The performance of a PSS is expressed as the location of the closed-loop poles, and a single fixed-gain pole-placement controller is synthesized for a wide range of operating conditions. The synthesis results in simultaneous regional pole-placement stabilization. and is formulated as an LMI feasibility problem with a rank condition. A penalty method is applied to solve the rank-constrained LMI problem. Numerical experiments with a single-machine connected to an infinite bus system were performed to demonstrate the proposed method.
Keywords
Power system stabilizer (PSS); Linear matrix inequality (LMI); Simultaneous stabilization;
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