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- Title
A GIS-Based Approach for Primary Substations Siting and Timing Based on Voronoi Diagram and Particle Swarm Optimization Method.
- Authors
Bosisio, Alessandro; Berizzi, Alberto; Merlo, Marco; Morotti, Andrea; Iannarelli, Gaetano
- Abstract
Featured Application: The paper proposes a methodology for the siting and timing of primary substations and its application to the case study of Milan, Italy. The paper aims to provide primary substations' optimal siting and timing to expand existing distribution networks. The proposed methodology relies on three main features: a geographic information system for capturing, elaborating, and displaying spatial input data; a particle swarm optimization algorithm to locate and timing the new primary substations; a Voronoi diagram-based approach to find the primary substation service areas and loading. The optimization criteria follow the approach of serving every customer from the nearest primary substation to ensure that the distribution delivery distance is as short as possible, reducing feeders' cost, electric losses, and service interruption exposure. The algorithm also considers the primary substation transformers' capacity limit. Thanks to Unareti, the distribution system operator of Milan and Brescia, the methodology was tested by carrying out several simulations, progressively increasing the number of new primary substations. The results obtained confirm the proposed approach's effectiveness and show that the methodology is a valuable tool to guide Unareti, and distribution system operators in general, in expanding distribution networks to face the challenges of the energy transition.
- Subjects
MILAN (Italy); BRESCIA (Italy); PARTICLE swarm optimization; VORONOI polygons; GEOGRAPHIC information systems; MATHEMATICAL optimization
- Publication
Applied Sciences (2076-3417), 2022, Vol 12, Issue 12, p6008
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app12126008