Resumo

MARTINEZ GARCIA, Antonio A  e  PEREZ MARTINEZ, Maykop. Using the PSAT free package for studies in the National Electric System in Cuba. Energética [online]. 2013, vol.34, n.3, pp. 219-228. ISSN 1815-5901.

Determining the economic regimes of operation of Electrical Power Systems, considering the reliability, is a present task especially in large systems. In this paper, we explain the possibilities of the PSAT free package to perform technical and economic analysis applied to the national electricity system, such as load flow, continuous flow analysis, voltage stability, optimal power flow and analysis of small oscillations, which were obtained the following results are evaluated the safety of these systems from the point of view of the chargeability of the nodes, and preliminarily the damping of the system to small perturbations and was determined to ensure optimum flow allowable stresses at nodes. Regimes taken as a basis for the study were typical winter base systems with peak demand forecast of 3187,41 MW.

Palavras-chave : stability to small perturbations; continuous flow of power; optimal power flow; PSAT.

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