Optimal Hierarchical Control of Isolated Microgrids

Alzate-Castaño, Ricardo; Mantilla-Villalobos, María Alejandra

Optimal Hierarchical Control of Isolated Microgrids

dc.creator	Alzate-Castaño, Ricardo
dc.creator	Mantilla-Villalobos, María Alejandra
dc.date	2022-05-31
dc.date.accessioned	2025-10-01T23:52:48Z
dc.description	The objective of this article is to propose a novel method that uses hierarchical control to efficiently manage power resources in an isolated Direct Current (DC) microgrid. The scope of this paper is limited to a numerical study of the components of the micro-generation system using accurate mathematical models in a commercial simulation tool. The control methodology is based on power sharing by means of a hierarchical topology including several control layers. In particular, the internal control loops that regulate the electrical variables in individual generators are at the bottom of the hierarchy. In addition, the power-sharing technique distributes power at an intermediate level, and it is complemented by a Newton-Raphson optimization algorithm at the top, which aims to minimize the cost function. The cost of the microgrid is defined in terms of investment and maintenance indices. This study analyzes the case of a low-power isolated DC microgrid that combines an array of photovoltaic panels and a battery bank. The most relevant result was the optimization of its generation cost, which was verified using simulations of the control and power circuits. In conclusion, although simple, the proposed technique achieves efficient performance in managing the power resources of this microgrid under environmental disturbances.	en-US
dc.description	El objetivo del presente artículo fue proponer un método para realizar la gestión eficiente de recursos energéticos en una microrred aislada en corriente continua, empleando control jerárquico. El alcance del trabajo se limitó a estudios numéricos a través de modelos matemáticos precisos en una herramienta de simulación comercial para los componentes del sistema de microgeneración eléctrica. La metodología del control se basó en el reparto de potencias mediante una topología jerárquica con diferentes capas de control. Específicamente, los lazos de control internos que regulan las variables eléctricas en generadores individuales están en la base de la jerarquía, la técnica de reparto de potencias realiza una distribución de energía a un nivel intermedio y se complementa en un nivel superior por un algoritmo de optimización del tipo Newton-Raphson, minimizando un funcional de costo. Dicho costo de la microrred es definido, a su vez, en términos de índices de inversión y mantenimiento. Asimismo, una microrred CC aislada y de baja potencia, constituida por un arreglo de paneles fotovoltaicos combinados con un banco de baterías, es analizada como caso de estudio. El resultado más importante correspondió con la verificación de la optimización del costo de generación mediante simulaciones para los circuitos de control y potencia. En conclusión, la técnica propuesta verifica, a pesar de su simplicidad, un desempeño eficiente para el manejo de recursos energéticos de la microrred ante perturbaciones del entorno.	es-ES
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dc.identifier	https://revistas.itm.edu.co/index.php/tecnologicas/article/view/2358
dc.identifier	10.22430/22565337.2358
dc.identifier.uri	https://hdl.handle.net/20.500.12622/7829
dc.language	eng
dc.publisher	Instituto Tecnológico Metropolitano (ITM)	es-ES
dc.relation	https://revistas.itm.edu.co/index.php/tecnologicas/article/view/2358/2399
dc.relation	https://revistas.itm.edu.co/index.php/tecnologicas/article/view/2358/2404
dc.relation	https://revistas.itm.edu.co/index.php/tecnologicas/article/view/2358/2405
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dc.rights	Derechos de autor 2022 TecnoLógicas	es-ES
dc.source	TecnoLógicas; Vol. 25 No. 53 (2022); e2358	en-US
dc.source	TecnoLógicas; Vol. 25 Núm. 53 (2022); e2358	es-ES
dc.source	2256-5337
dc.source	0123-7799
dc.subject	Hierarchical Control	en-US
dc.subject	Economic Dispatch	en-US
dc.subject	Renewable Energy Sources	en-US
dc.subject	Power Management	en-US
dc.subject	CC Microgrid	en-US
dc.subject	Control Jerárquico	es-ES
dc.subject	Despacho Económico	es-ES
dc.subject	Fuentes Renovables	es-ES
dc.subject	Gestión Energética	es-ES
dc.subject	Microrred CC	es-ES
dc.title	Optimal Hierarchical Control of Isolated Microgrids	en-US
dc.title	Control jerárquico-óptimo de microrredes aisladas	es-ES
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	Research Papers	en-US
dc.type	Artículos de investigación	es-ES