Algoritmo para estimação de modos eletromecânicos via técnicas de decomposição modal (Algorithm for the estimation of electromechanical modes via modal decomposition techniques)

Roman Kuiava (kuiava@eletrica.ufpr.br)1, Bárbara Mendes Ramos (barbara_mr@hotmail.com)1


1Universidade Federal do Paraná (UFPR)

This paper appears in: Revista IEEE América Latina

Publication Date: June 2017
Volume: 15,   Issue: 6 
ISSN: 1548-0992


Abstract:
This paper proposes an algorithm for the application of mode decomposition techniques based on ringdown signals to estimate electromechanical modes in electrical power systems. The estimation of the electromechanical modes is done by defining parameters for the application of modal estimation technique successive times, followed by routines of identification and analysis of the results. Results are obtained by using the techniques LS-ESPRIT, TLS-ESPRIT and WTLS-ESPRIT. The simulations were performed for a distribution network in the presence of a group of three synchronous generators.

Index Terms:
small-signal stability, distributed generation, mode decomposition techniques, estimation of electromechanical modes, ESPRIT   


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