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Flujo de potencia óptimo para redes radiales y enmalladas empleando programación semidefinida

Authors: Montoya-Giraldo, Oscar D.; Gil-González, Walter J.; Garcés-Ruíz, Alejandro;

Flujo de potencia óptimo para redes radiales y enmalladas empleando programación semidefinida

Abstract

Este artículo presenta una formulación convexa para el problema de flujo de potencia óptimo (Optimal Power Flow-OPF) en sistemas de potencia radiales y enmallados, a través de un modelo matemático basado en programación semidefinida (Semidefinite Programming-SDP), el cual trasforma el modelo cuadrático no convexo del OPF en un modelo convexo relajado, que puede ser solucionado de forma mucho más eficiente. El modelo es implementado en MATLAB usando el paquete de optimización convexa CVX. Los resultados obtenidos son comparados con el modelo no lineal del problema implementado en GAMS y MATPOWER usando cuatro sistemas típicos de la literatura especializada, dos de tipo radial y dos enmallado. Las soluciones encontradas por esta aproximación convexa, son muy cercanas a las respuestas presentadas en la literatura especializada para el modelo no lineal. Este tipo de aproximación permite obtener soluciones de muy buena calidad, muy cercanas a la solución óptima del problema en tiempos computacionales menores y susceptibles de aplicarse en problemas de operación y control en tiempo real.

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Keywords

Convex approximation, mesh grids, redes malladas, semidefinite programming, programación semidefinida, radial grids, flujo de potencia, power flow, redes radiales, flujo de potencia óptimo, optimal power flow, Aproximación convexa

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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    14
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
14
Top 10%
Top 10%
Top 10%
Green
gold