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Port-Hamiltonian based Optimal Power Flow algorithm for multi-terminal DC networks

Benedito, E., del Puerto-Flores, D., Doria-Cerezo, A. & Scherpen, J. M. A., Feb-2019, In : Control Engineering Practice. 83, p. 141-150 10 p.

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  • Port-Hamiltonian based Optimal Power Flow algorithm for multi-terminal DC networks

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  • Port-Hamiltonian based Optimal Power Flow algorithm for multi-terminal DC networks

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DOI

In this paper an algorithm for solving the Optimal Power Flow problem for multi-terminal DC networks based on the gradient method is proposed. The aim is seeking the optimal point subject to voltage, current and power constraints. The algorithm is described by a continuous-time port-Hamiltonian model, and the inequality constrains are included by the use of barrier functions. The dynamics of the algorithm is studied and stability conditions are obtained. Finally, the method is used for the offshore wind integration grid in the North Sea and the interconnection with the network dynamics is tested by means of numerical simulations.
Original languageEnglish
Pages (from-to)141-150
Number of pages10
JournalControl Engineering Practice
Volume83
Publication statusPublished - Feb-2019

    Keywords

  • TRANSMISSION-SYSTEMS, VOLTAGE CONTROL, VSC-HVDC, STABILITY

ID: 74697484