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A heuristic method to design autonomous village electrification projects with renewable energies
Ranaboldo, Matteo; García Villoria, Alberto; Ferrer Martí, Laia; Pastor Moreno, Rafael
Universitat Politècnica de Catalunya. Departament d'Enginyeria Mecànica; Universitat Politècnica de Catalunya. Departament d'Organització d'Empreses; Universitat Politècnica de Catalunya. EOLI - Enginyeria d'Organització i Logística Industrial
Systems relying on renewable energies demonstrated to be a reliable and sustainable option to electrify isolated communities autonomously. Hybrid systems that combine different energy resources and distribution microgrids are the most efficient design configurations. The design of these systems requires the use of decision support tools, while projects' promoters generally dispose of low design resources. This study presents a heuristic method to design off-grid electrification projects based on wind and solar energies considering micro-scale resource variations and a combination of independent generation points and microgrids. The method considers generation far from users and a pre-selection process is presented in order to screen the initial pool of potentially infinite generation points. Different algorithm versions are evaluated and performances are compared with existing tools: VIPOR, known software for microgrids design, and a recently developed mixed integer linear programming (MILP) model. The proposed heuristic performs better than VIPOR with mean improvements of around 6% and, for communities of more than 40 users, considerably enhances solutions obtained by the MILP model with a much lower computational time (1 min against 1 h). The method is a complete and simple tool that can efficiently support the design of stand-alone community electrification projects with renewable energies. (C) 2014 Elsevier Ltd. All rights reserved.
Àrees temàtiques de la UPC::Enginyeria elèctrica::Distribució d'energia elèctrica::Instal·lacions elèctriques
Rural electrification
Rural electrification projects
Wind energy
Solar energy
Hybrid systems
Microgrids
Heuristic algorithm
HYBRID POWER-SYSTEM
RURAL ELECTRIFICATION
DEVELOPING-COUNTRIES
MICRO-GRIDS
OPTIMIZATION
SIMULATION
COMMUNITIES
Electrificació rural
info:eu-repo/semantics/publishedVersion
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