Bifurcation control of subsynchronous resonance using TCSC

Publication Type:
Journal Article
Citation:
Communications in Nonlinear Science and Numerical Simulation, 2011, 16 (5), pp. 2363 - 2370
Issue Date:
2011-05-01
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This paper presents the use of Thyristor-Controlled Series Capacitor (TCSC) to control bifurcations of subsynchronous resonance (SSR) in multimachine power system. The modified second system of the IEEE second benchmark model of subsynchronous resonance is considered. The dynamics of the damper windings, automatic voltage regulator (AVR), and power system stabilizer (PSS) on SSR in power system are included. In the case of neglecting TCSC, the results show that the operating point of the system loses stability via subcritical Hopf bifurcation. When we add TCSC to the system, all bifurcations are eliminated. Therefore, the Thyristor-Controlled compensated system never loses stability at any realistic firing angle. © 2010 Elsevier B.V.
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