Switch allocation problems in power distribution systems
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Data
2015-01-01
Autores
Assis, Laura Silva de
Vizcaino Gonzalez, José Federico [UNESP]
Usberti, Fabio Luiz
Lyra, Christiano
Cavellucci, Celso
Von Zuben, Fernando J.
Título da Revista
ISSN da Revista
Título de Volume
Editor
Ieee-inst Electrical Electronics Engineers Inc
Resumo
Reliability analysis of power systems has been attracting increasing attention. Regulatory agencies establish reliability standards that, if infringed, result in costly fines for the utility suppliers. A special concern pertains to the distribution networks on which most failures occur. The allocation of switches is a possible strategy to improve reliability, by allowing network reconfiguration to isolate contingencies and restore power to dark areas. This paper proposes an optimization methodology to allocate switches on radially operated distribution networks. The solution framework considers sectionalizing and tie switches of different capacities, with manual or automatic operation schemes. The approach minimizes the costs of allocation and energy not supplied, under reliability and flow capacity constraints. The solution framework is based on memetic algorithm concepts with a structured population. Case studies with a large network and real-world scenarios were used to evaluate the methodology. The results indicate that significant cost reductions can be achieved using the proposed solutions.
Descrição
Palavras-chave
Distribution system reliability, Memetic algorithms, Optimal switch allocation, Reliability estimation, Reliability management
Como citar
Ieee Transactions On Power Systems. Piscataway: Ieee-inst Electrical Electronics Engineers Inc, v. 30, n. 1, p. 246-253, 2015.