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Optimal power flow in MTDC systems based on a DC-independent system operator objective

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conference contribution
posted on 2015-06-04, 13:03 authored by Francisco Gonzalez-LongattFrancisco Gonzalez-Longatt
DC Independent System Operator (DC-ISO) is a single coordinate, to control and monitor the operation of the DC transmission system. It will be responsible for ensuring the reliability and security of the multi-terminal HVDC (MTDC) system in real-time and co-ordinate the supply of and demand for electricity, in a manner that avoids violations of technical and economic standards. This paper proposes a simple methodology for optimal power flow (OPF) allowing the DC-ISO objectives to be included in the solution. One of the contribution of this paper is include new operator objectives as in the OPF problem as a type linear equality constraints, it is based on nodal analysis. Proposed methodology has been thoroughly illustrated and tested with a simple 3-node MTDC system, and results show the validity of the proposed approach.



  • Mechanical, Electrical and Manufacturing Engineering

Research Unit

  • Centre for Renewable Energy Systems Technology (CREST)

Published in

IEEE PowerTech 2015


GONZALEZ-LONGATT, F., 2015. Optimal power flow in MTDC systems based on a DC-independent system operator objective. IEEE PowerTech 2015, Eindhoven, The Netherlands, 29 June - 2 July 2015




  • AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date



Accepted for the PowerTech Eindhoven 2015 conference (http://powertech2015-eindhoven.tue.nl/) © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.


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Eindhoven, The Netherlands

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