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Optimal power flow operation of an interline current flow controller in an hybrid AC/DC meshed grid

J. Sau-Bassols, Q. Zhao, J. García-González, E. Prieto-Araujo, O. Gomis-Bellmunt

This paper is meant to show that an interline current flow controller (CFC) is able to reduce the operating costs of hybrid AC/DC meshed grids by alleviating the congestion within the DC lines. The work considers a unidirectional DC/DC CFC with a simple structure and its average model is introduced into the mathematical formulation of the Optimal Power Flow (OPF) problem of an hybrid AC/DC meshed grid, which also considers the losses of the Voltage Source Converters (VSC). The CFC restrictions and the different connection arrangements of the device into the AC/DC grid are also included in the model and show an important effect on the OPF solution. The case studies are conducted in a 5-terminal AC/DC meshed grid and point out that the CFC has a reduced capability to reduce the operating costs of the system if there are no overloads in the DC lines. However, when the power limit of one of the lines is reached, the CFC can redirect part of the DC current and, therefore, reduce the operating costs compared to the case without CFC.


Keywords: Optimal power flow; Current flow controller; Meshed AC/DC grid; Cost minimization



Electric Power Systems Research. Volumen: 177 Número: 105935 Páginas: 1-9

Índice de impacto JCR y cuartil WoS: 3.211 - Q2 (2019)

Referencia DOI: DOI icon 10.1016/j.epsr.2019.105935    

Publicado en papel: Diciembre 2019. Publicado on-line: Agosto 2019.



Cita:
J. Sau-Bassols, Q. Zhao, J. García-González, E. Prieto-Araujo, O. Gomis-Bellmunt. Optimal power flow operation of an interline current flow controller in an hybrid AC/DC meshed grid. Electric Power Systems Research. vol. 177, no. 105935, pp. 1-9, Diciembre 2019. [Online: Agosto 2019]


    Líneas de investigación:
  • Despacho óptimo de generación con red para sistemas híbridos AC/DC
  • HVDC/FACTS
  • Régimen permanente: flujos de cargas, análisis de restricciones de operación, flujos de cargas óptimo, servicio complementario de control de tensiones, cortocircuitos, protecciones en redes de transporte y distribución, modelos térmicos de cables

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