Análisis Modal Aplicado a la Reducción de Modelos Dinámicos de Sistemas de Potencia (Modal Analysis Applied to Dynamic Reduction of Power System Models)

Gerardo Alberto Sanchez Ayala (, Virgilio Centeno (

1Virginia Polytechnic Institute and State University

This paper appears in: Revista IEEE América Latina

Publication Date: Jan. 2016
Volume: 14,   Issue: 1 
ISSN: 1548-0992

This paper introduces a dynamic reduction strategy that preserves the original interarea modes of oscillation and produces a physical model of the power system. Although the proposed method is designed to be applicable to any multiarea system, a real system of considerable size is used in this paper as a practical example. The strategy is applied to an academic version of the Central American interconnected power system, consisting of 130 machines and six control areas. The result is a more computationally manageable model where all generators are actually present in the real system, allowing a model that is familiar to its users, and can be implemented in a format suitable to any commercial power system analysis software.

Index Terms:
Dynamic Reduction, Small Signal Analysis, Genetic Algorithms, Power System Stabilizer, Optimization   

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