Método dos Nomogramas de Amortecimento para Avaliação de Segurança a Pequenos Sinais de Sistemas de Potência
(Damping Nomogram Method for Small-Signal Security Assessment of Power Systems)
Thiago Jose Masseran Antunes Parreiras (email@example.com)1, Sergio Gomes Junior (firstname.lastname@example.org)2, Glauco Nery Taranto (email@example.com)3
1CEPEL, COPPE/UFRJ2CEPEL, UFF3COPPE/UFRJ
This paper appears in: Revista IEEE América Latina
Publication Date: May 2017
Volume: 15, Issue: 5
This paper reviews the main concepts about power systems security assessment and describes the voltage security assessment (VSA), the transient security assessment (TSA) and the small-signal security assessment (SSA) of electrical power systems. Most methods of SSA are based on the calculation of oscillation modes of power systems and the evaluation of their damping factors. The objective of the power system security assessment is to determine the distance that these systems are to certain security boundary. In small-signal security assessment case, the security limits are, in general, associated to a minimum secure damping factor of the oscillation modes. This paper proposes a nomogram method based on the analysis of oscillation damping factors to be used for small-signal security assessment of power systems and describes its computational development.
Power systems security assessment, VSA, TSA, SSA, DSA, Small-signal stability, Power system damping factors control, Damping nomogram, SSA tool,
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