Revue des sciences et sciences de l’ingénieur
Volume 7, Numéro 2, Pages 26-32
2020-06-01
Model Order Reduction Of External Power Systems
Authors : Benmiloud Omar . Arif Salem .
Abstract
Model order reduction of external power systems remains a useful technique to reduce the computational efforts introduced by transient stability studies. In this paper, the equivalent of the 10-machine power system is build. By preserving the electrical power of those generators in the internal system following a disturbance, the problem is formulated as a single objective function solved by the novel Salp Swarm Algorithm (SSA). Furthermore, to fit the dynamic characteristics of the external system, the equivalent generator is expressed by the six-order model with excitation system. The results show the capability of the proposed methodology to imitate the dynamics of the external system. Quality of the estimated model is confirmed by several transient stability studies and the equivalent was able to preserve the dynamic properties of the original system with accuracy.
Keywords
Dynamic equivalents; parameter estimation; power systems; transient stability.
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