Optimal Placement of Capacitors, Voltage Regulators and Distributed Generators in Electric Power Distribution Systems

Ubicacio´n O´ ptima de Capacitores, Reguladores de Tensio´n y Generadores Distribuidos en Sistemas El´ectricos de Distribuci´on

Palabras clave: Capacitor Banks, distributed generation, distribution networks, voltage regulators (en_US)
Palabras clave: Bancos de capacitores, generaci´on distribuida, redes de distribución, regularores de tensi´on. (es_ES)

Resumen (en_US)

Context: With the advent of the smart grid paradigm electrical distribution network (EDN) operators are making efforts to modernize their power grids through the optimal implementation of distributed generation (DG) and other devices such as capacitors (CAs) and voltage regulators (VRs). The optimal allocation such devices is a challenging task involving discrete and integer decision variables.

Method: This paper presents an approach for the optimal placement of CAs, VRs and DGs in EDNs. The distinctive feature of the proposed model is the fact that it can be used to optimize the allocation of all of these elements together, in pairs, or separately. The optimal placement of these elements is formulated as a mixed integer nonlinear programming (MINLP) problem, and it is solved by means of a specialized genetic algorithm (SGA).

Results: The proposed methodology was tested on the IEEE 69-bus test system. Results are compared with previous works reported in the specialized literature, showing the effectiveness, and robustness of the proposed approach.

Conclusions: It was found that an appropriate allocation of CAs, VRs and DGs results in an important reduction of power losses. It was also found that the proposed model is faster than other techniques proposed in the specialized literature.

Acknowledgements: The authors gratefully acknowledge the support from the Colombia Scientific Program within the framework of the call Ecosistema Científico (Contract No. FP44842- 218-2018). The authors also acknowledge the support of the State University of Londrina and Universidad Tecnológica de Pereira (UTP).

Resumen (es_ES)

Contexto: Con el advenimiento del paradigma de las redes inteligentes, los operadores de las redes de distribución están haciendo esfuerzos para modernizar sus redes a través de la ubicación ´optima de generación distribuida y otros dispositivos como condensadores y reguladores de tensión. La ubicación ´optima de estos dispositivos es una tarea desafiante que involucra variables de decisión discretas y enteras.

Método: Este artículo presenta una metodología para la ubicación óptima de capacitores, reguladores de tensión y generadores distribuidos en redes de distribución. La característica distintiva del modelo propuesto es el hecho de que se puede utilizar para optimizar la ubicación de todos estos elementos a la vez, en pares o por separado. La ubicación óptima de estos elementos se formula como un problema de programación no lineal de enteros mixta, y se resuelve mediante un algoritmo gen ético especializado.

Resultados: La metodología propuesta se probó en el sistema de prueba IEEE de 69 barras. Los resultados se comparan con trabajos previos reportados en la literatura especializada, mostrando la efectividad y robustez del modelo propuesto.

Conclusiones: Se encontró que una ubicación adecuada de condensadores, reguladores de tensión y generadores distribuido permiten una reducción importante de las pérdidas de energía. También se encontró que el modelo propuesto es más rápido que otras técnicas propuestas en la literatura especializada.

Agradecimientos: Los autores agradecen el financiamiento del programa Colombia Científica dentro de la convocatoria Ecosistema Científico (Contrato No. FP44842- 218 2018). Los autores también agradecen el apoyo de Universidade Estadual de Londrina y la Universidad Tecnológica de Pereira (UTP).

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Cómo citar
Lopez Lezama, J. M., Gallego Pareja, L. A., & Gomez Carmona, O. (2020). Ubicacio´n O´ ptima de Capacitores, Reguladores de Tensio´n y Generadores Distribuidos en Sistemas El´ectricos de Distribuci´on. Ingeniería, 25(3). Recuperado a partir de https://revistas.udistrital.edu.co/index.php/reving/article/view/16925
Publicado: 2020-10-02
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Sección Especial: Mejores artículos extendidos - WEA 2020