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A Hybrid Procedure Including Subtransmission Systems and Substations for Reliability Assessment

 

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Opened Access A Hybrid Procedure Including Subtransmission Systems and Substations for Reliability Assessment
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Author: Martínez-Lacañina, Pedro José
Villa Jaén, Antonio de la
Martínez Ramos, José Luis
Coordinator/Director: Gómez Expósito, Antonio
Department: Universidad de Sevilla. Departamento de Ingeniería Eléctrica
Date: 2013
Published in: IET Generation, Transmission & Distribution, 7 (12), 1461-1472.
Document type: Article
Abstract: A new procedure focused on reliability analysis of subtransmission systems supported by the state enumeration technique is presented. This new methodology is conducted in three stages. First, a classical state enumeration reliability assessment is performed for the branch-node model of a subtransmission system, assuming that substations are perfectly reliable. Second, a detailed model of the subtransmission system is considered and the reliability of each substation is assessed by considering them in a “one-by-one” process, supposing perfect operation for the branch-node model. Finally, the reliability indices calculated in the first and second stages are analytically combined to obtain the reliability indices for the subtransmission system (system reliability indices) and for the load nodes of the distribution system (load-node reliability indices). Test results show that the proposed methodology is suitable for both planning studies and 24 hours-ahead security assessment.
Cite: Martínez-Lacañina, P.J., Villa-Jaén de la, A. y Martínez-Ramos, J.L. (2013). A Hybrid Procedure Including Subtransmission Systems and Substations for Reliability Assessment. IET Generation, Transmission & Distribution, 7 (12), 1461-1472.
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URI: http://hdl.handle.net/11441/47725

DOI: 10.1049/iet-gtd.2012.0748

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