Solución práctica para el problema de reconfiguración en redes eléctricas de distribución: un enfoque heurístico constructivo
Publicado 2023-07-22
Palabras clave
- Algoritmo heurístico constructivo,
- Solución del flujo de potencia,
- Redes de distribución radiales y malladas,
- Concepto de mínima corriente,
- Algoritmo de ordenamiento nodal
Cómo citar
Derechos de autor 2023 Revista UIS Ingenierías
Esta obra está bajo una licencia internacional Creative Commons Atribución-SinDerivadas 4.0.
Resumen
El problema de la reconfiguración de redes de distribución eléctrica se aborda en esta investigación mediante la implementación de una solución práctica utilizando un algoritmo heurístico constructivo. La característica más importante del enfoque heurístico propuesto es su bajo esfuerzo de cómputo, pues se requieren pocas soluciones flujo de potencia para resolver el problema de reconfiguración. El algoritmo constructivo comienza su exploración del espacio de solución cerrando todas las líneas de enlace para formar una red de distribución completamente mallada. La línea de distribución con la corriente mínima se abre permanentemente. Se realiza una nueva evaluación del flujo de potencia para el nuevo sistema de distribución y se abre la línea de distribución con la corriente mínima si y solo si esta acción no genera nodos aislados. Este procedimiento se repite hasta que el número de líneas cerradas sea igual al número de nodos menos uno, condición necesaria para mantener una configuración radial. Validaciones numéricas en alimentadores de prueba compuestos por 16, 33, 69, 84, 136 y 415 nodos demuestran que el algoritmo constructivo propuesto encuentra soluciones adecuadas con tiempos de procesamiento mínimos. El enfoque propuesto es práctico para las empresas de distribución, ya que su implementación solo requiere una herramienta de flujo de potencia para redes de distribución que pueda manejar configuraciones radiales y malladas.
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