Análise de Torque Elétrico no Sistema MBI Utilizando o Transformador Defasador (Analysis of Electric Torque in Single Machine-Infinite Bus System Using Phase Shifters)

André Luiz Silva Pereira (andspa@gmail.com)1, Percival Bueno de Araujo (perciva@dee.feis.unesp.br)2, Celso Tadao Miasaki (Miasaki@gmail.com)3


1André Luiz Silva Pereira
2Universidade Estadual Paulista de Ilha Solteira - Unesp (FEIS)
3FUNEC - Santa Fé do Sul

This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2008
Volume: 6,   Issue: 5 
ISSN: 1548-0992


Abstract:
The main idea of this work is based on the analysis of the electric torque through the acting of the PS in the power system, provided of a control for the compensation degree (PSC). A linear model of the single machine-infinite bus system is used with a PS installed (SMIB/PS system). The variable that represents the presence of PS in the net is associated to the phase displacement introduced in the terminal voltage of the synchronous machine by PS. For the input signals of the PSC are evaluated variations of the angular speed of the rotor, the current magnitude and the active power through the line where the PS is located. The simulations are accomplished to analyze the influence of the PS in the torque formation (synchronizing and damping), of the SMIB/PS system. The analysis are developed in the time and frequency domain.

Index Terms:
Electric Torque, FACTS devices, Phase Shifters, Dynamic Stability, Power System.   


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