Cost functions for generation dispatching in microgrids for non-interconnected zones in Colombia

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 noninterconnected 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.

• Autores: Hoyos Velandia, Cristian; Ramírez Hurtado, Lina; Quintero Restrepo, Jaime; Moreno Chuquen, Ricardo; González Longatt, Francisco
• Tipo de recurso: Article of journal
• Fecha de publicación: 2022
• Institución: Universidad Autónoma de Occidente
• Repositorio: RED: Repositorio Educativo Digital UAO
• Idioma: eng
• OAI Identifier: oai:red.uao.edu.co:10614/14703
• Acceso en línea: https://hdl.handle.net/10614/14703; https://red.uao.edu.co/
• Palabra clave: Almacenamiento de energía; Energy storage; Batteries; Cost functions; DER; Microgrids; Renewables; Storage
• Rights: openAccess
• License: Derechos reservados - MDPI, 2022