Abstract
This paper presents a procedure for designing a supplementary damping stabilizer for a static synchronous series compensator (SSSC) in multi-machine power systems. The objective is to shift the lightly damped inter-area modes toward the prescribed stability region. A lead-lag stabilizer is used to demonstrate this technique, in which a particular measure of stabilizer gain is considered as an objective function. Constraints of the problem for phase-lead and lag structures are derived. The objective function with the constraints is formed as a quadratic mathematical programming problem. For robust design, the parameters of the stabilizer are calculated under various operating conditions. Two types of SSSC-based stabilizer have been presented and designed. Numerical results including eigenvalue analysis and the nonlinear simulations on the 4- and 50-machine power systems are presented to show the effectiveness of the proposed method.
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Shakarami, M.R., Kazemi, A. Robust design of static synchronous series compensator-based stabilizer for damping inter-area oscillations using quadratic mathematical programming. J. Zhejiang Univ. - Sci. C 11, 296–306 (2010). https://doi.org/10.1631/jzus.C0910428
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DOI: https://doi.org/10.1631/jzus.C0910428
Key words
- Inter-area oscillations
- Static synchronous series compensator (SSSC)
- Damping stabilizer
- Robust design
- Quadratic mathematical programming