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Time-delay feedback control of ferroresonant chaotic oscillations

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Publication date1/12/2001
Host publication2001 IEEE Porto Power Tech Proceedings
Pages309-314
Number of pages6
Volume2
<mark>Original language</mark>English
Event2001 IEEE Porto Power Tech Conference - Porto, Portugal
Duration: 10/09/200113/09/2001

Conference

Conference2001 IEEE Porto Power Tech Conference
Country/TerritoryPortugal
CityPorto
Period10/09/0113/09/01

Conference

Conference2001 IEEE Porto Power Tech Conference
Country/TerritoryPortugal
CityPorto
Period10/09/0113/09/01

Abstract

An analytic method for stabilization of the unstable orbits of a complex system is applied to the problem of ferroresonance in power systems. The method is based on the feedback control theory proposed by Pyragas (1992). Simulation results are presented illustrating transitions from unstable, chaotic, to stable, periodic, orbits. The stability was evaluated using the largest Lyapunov exponent. In this way, an efficient approach to the damping and control of the ferroresonant chaotic oscillations, which can arise in high-voltage terminal equipment, is presented.