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Aplicação de Controle via Realimentação Dinâmica de Saída Baseado em LMI para Amortecer Oscilações Eletromecânicas no SEP
FARIAS, N. J. S.; MEDEIROS, R. L. P.; AYRES JUNIOR, FLORINDO A. C.; CHAVES FILHO, JOÃO EDGAR; Bessa, I. V.; DE LUCENA, VICENTE FERREIRA
Resumo
Resumo
This work presents the design of an output feedback dynamic controller applied in a generation system connected to the infinite bus. This controller aims to allocate the system poles in a desired region of the complex plane and minimize the relationship of norm-H2 and norm-H∞ to perform the damping of electromechanical oscillations. The proposed power system stabilizer (PSS) is compared with a PSS designed using the conventional technique using frequency analysis to damp electromechanical oscillations and with the system operating without the presence of an ESP regulator. To perform the comparison between the systems, the dynamic response was used, in the form of accommodation time, maximum oscillation peak, control effort, and ISE, ITAE, ISC, and ITAC indices. Finally, the proposed controller obtained superior performance to the conventional one, and the system worked without the presence of a PSS, This is because that controller has the lowest performance, signal overshoot and settling time.
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palavras-chave
Palavras-chave
linear matrix inequalitiespower system stabilizerelectromechanical oscillation dampingpole placementcontrol effort
Status
Published
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