Cost Functions for Generation Dispatching in Microgrids for Non-Interconnected Zones in Colombia

Cristian Hoyos-Velandia, Lina Ramirez-Hurtado, Jaime Quintero-Restrepo, Ricardo Moreno-Chuquen and Francisco Gonzalez-Longatt
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Cristian Hoyos-Velandia: Faculty of Engineering, Universidad Autónoma de Occidente, Cali 760030, Colombia
Lina Ramirez-Hurtado: Faculty of Engineering, Universidad Autónoma de Occidente, Cali 760030, Colombia
Jaime Quintero-Restrepo: Faculty of Engineering, Universidad Autónoma de Occidente, Cali 760030, Colombia
Ricardo Moreno-Chuquen: Faculty of Engineering, Universidad Autónoma de Occidente, Cali 760030, Colombia
Francisco Gonzalez-Longatt: Department of Electrical Engineering, Information Technology and Cybernetics, University of South-Eastern Norway, 3918 Porsgrunn, Norway

Energies, 2022, vol. 15, issue 7, 1-14

Abstract: Generation dispatching is a challenge in islanded microgrids due to the operational and economic restrictions in isolated zones. Furthermore, the impact of usual operational network changes in topology, load demand, and generation availability may become significant considering the grid size. This research paper presents a detailed multiple cost function modeling methodology of an optimal power flow algorithm applied to a non-interconnected zone in Colombia. The optimal power flow (OPF) formulation includes cost functions related to renewable resources as presented in the isolated zone and a complete model of the charging and discharging of batteries. Additionally, the flexibility of the proposal is tested using three different network topologies with a characteristic daily load curve from the zone. The main contribution of this paper lies in the implementation of an optimal power flow including cost functions of renewable sources for isolated microgrids. A test case for a non-interconnected zone in Colombia is performed for various operation cases.

Keywords: batteries; cost functions; DER; microgrids; renewables; storage (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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