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Decentralized Nonlinear Control Design for Multi-machine Power Systems

Authors:de Leon-Morales Jesus, Universidad Autonoma de Nuevo Leon, Mexico
Georges Didier, LAG-INPG, France, Metropolitan
Huerta-Guevara O., Universidad Autonoma de Nuevo Leon, Mexico
Topic:6.3 Power Plants and Power Systems
Session:Excitation Systems and PSS
Keywords: Multi-machine power systems, nonlinear control, Hamiltonian systems, decentralized control

Abstract

This paper is concerned with the control of power systems. We design a control approach for a class of nonlinear systems, closely related to sliding modes but without switching. The designed controller is smooth and appear to be robust with respect to transient perturbations. Simulations results performed on the basis of two versions of the sliding-mode controller and applied to a multi-machine model have demonstrated better performances when compared to an Hamiltonian passive controller design.