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Master's Dissertation
DOI
https://doi.org/10.11606/D.18.2005.tde-25032010-093232
Document
Author
Full name
Fernando Silva Pereira
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2005
Supervisor
Committee
Bretas, Newton Geraldo (President)
Costa, Eduardo Fontoura
London Júnior, João Bosco Augusto
Title in Portuguese
Análise de observabilidade para o estimador de estados e parâmetros do sistema elétrico
Keywords in Portuguese
Análise de observabilidade
Estimação de estados e parâmetros
Sistemas de potência
Abstract in Portuguese
Neste trabalho propõe-se um método de análise de observabilidade para estimação de estados e parâmetros em sistemas elétricos de potência, baseado nas equações normais. O método fundamenta-se na fatoração triangular da matriz ganho aumentada e nos conceitos de caminhos de fatoração. O mesmo utiliza rotinas já existentes no processo de estimação, sendo simples, de fácil implementação, rápida execução e não exige a solução de equações algébricas. Para comprovar a sua eficiência vários testes foram realizados, utilizando os sistemas de 6, 14 e 30 barras do IEEE, tendo sido satisfatórios os resultados obtidos.
Title in English
Observability analysis for state and parameter estimator
Keywords in English
Observability analysis
Parameter estimation
Power systems
State estimation
Abstract in English
In this work we propose a method of observability analysis for states and parameters estimation in electric power systems, based on the Normal Equations. The method is based on triangular factoration of the augmented gain matrix and on the concepts of factoration paths. It uses routines that there exist in the estimation process. These routines are simple, of easy implementation, fast execution and it doesn't demand the solution of algebraic equations. To prove your efficiency several tests were accomplished, using the 6, 14 and 30-bus IEEE test systems. The obtained results were satisfactory.
 
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Fernando.pdf (1.49 Mbytes)
Publishing Date
2010-04-23
 
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