A Self-Tuning Power System Stabilizer Design

Ping Chen; Hui Lan Jiang; Kai Zeng

doi:10.4028/www.scientific.net/AMM.385-386.1104

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 385-386A Self-Tuning Power System Stabilizer Design

A Self-Tuning Power System Stabilizer Design

Abstract:

The traditional power system stabilizer (PSS) usually configures parameters in off-line circumstances and can’t adapt to the variations of power system operating modes well. Based on the prony algorithm, this paper presents a parameter self-tuning PSS. After identifying the system reduced model, it recognizes the real-time low frequency oscillation characteristics of system based on the online prony and uses the dominant mode frequency to complete self-tuning parameters of PSS. The simulation results in IEEE 4-11 system show that the self-tuning PSS based on prony algorithm can adapt to the variations of power system operating modes and restrain low frequency oscillation system better, then improve the stability of the system.