Universal branch model for the solution of optimal power flows in hybrid AC/DC grids

Abraham Alvarez-Bustos; Behzad Kazemtabrizi; Mahmoud Shahbazi; Enrique Acha-Daza

doi:10.1016/j.ijepes.2020.106543

Universal branch model for the solution of optimal power flows in hybrid AC/DC grids

Abraham Alvarez-Bustos^*
, Behzad Kazemtabrizi
, Mahmoud Shahbazi
, Enrique Acha-Daza

^*Corresponding author for this work

Electrical Engineering

Research output: Contribution to journal › Article › Scientific › peer-review

26 Citations (Scopus)

Abstract

This paper presents a universal model formulation for solving Optimal Power Flows for hybrid AC/DC grids. The prowess of the new formulation is that it (i) provides a direct link between AC and DC parts of the grid allowing for solving the entire network within a unified frame of reference (not sequentially) and (ii) can realistically model any element within the AC/DC power grid, ranging from conventional AC transmission lines to multiple types of AC/DC interface devices such as Voltage Source Converters (VSC) by introducing additional control variables. The model is formulated in such a way that it does not make a distinction, from a mathematical perspective, between AC and DC elements and the ensuing optimal power flow (OPF) problem can be solved via model-based optimization solvers as a mathematical programming problem. Simulations carried out using a variety of non-linear gradient-based solvers in AIMMS

Original language	English
Article number	106543
Journal	International Journal of Electrical Power and Energy Systems
Volume	126
Issue number	Part A
Early online date	2020
DOIs	https://doi.org/10.1016/j.ijepes.2020.106543
Publication status	Published - Mar 2021
Publication type	A1 Journal article-refereed

Funding

Abraham Alvarez Bustos is sponsored by Consejo Nacional de Ciencia y Tecnología ( CONACYT ) and Secretaría de Energía (SENER), México.

Keywords

AC/DC power systems
AIMMS
Control
Modelling
Optimal power flows
Voltage source converter

Publication forum classification

Publication forum level 2

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1016/j.ijepes.2020.106543

Cite this

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title = "Universal branch model for the solution of optimal power flows in hybrid AC/DC grids",

abstract = "This paper presents a universal model formulation for solving Optimal Power Flows for hybrid AC/DC grids. The prowess of the new formulation is that it (i) provides a direct link between AC and DC parts of the grid allowing for solving the entire network within a unified frame of reference (not sequentially) and (ii) can realistically model any element within the AC/DC power grid, ranging from conventional AC transmission lines to multiple types of AC/DC interface devices such as Voltage Source Converters (VSC) by introducing additional control variables. The model is formulated in such a way that it does not make a distinction, from a mathematical perspective, between AC and DC elements and the ensuing optimal power flow (OPF) problem can be solved via model-based optimization solvers as a mathematical programming problem. Simulations carried out using a variety of non-linear gradient-based solvers in AIMMS",

keywords = "AC/DC power systems, AIMMS, Control, Modelling, Optimal power flows, Voltage source converter",

author = "Abraham Alvarez-Bustos and Behzad Kazemtabrizi and Mahmoud Shahbazi and Enrique Acha-Daza",

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AU - Shahbazi, Mahmoud

AU - Acha-Daza, Enrique

N1 - Funding Information: Abraham Alvarez Bustos is sponsored by Consejo Nacional de Ciencia y Tecnología ( CONACYT ) and Secretaría de Energía (SENER), México. Publisher Copyright: © 2020 Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

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AB - This paper presents a universal model formulation for solving Optimal Power Flows for hybrid AC/DC grids. The prowess of the new formulation is that it (i) provides a direct link between AC and DC parts of the grid allowing for solving the entire network within a unified frame of reference (not sequentially) and (ii) can realistically model any element within the AC/DC power grid, ranging from conventional AC transmission lines to multiple types of AC/DC interface devices such as Voltage Source Converters (VSC) by introducing additional control variables. The model is formulated in such a way that it does not make a distinction, from a mathematical perspective, between AC and DC elements and the ensuing optimal power flow (OPF) problem can be solved via model-based optimization solvers as a mathematical programming problem. Simulations carried out using a variety of non-linear gradient-based solvers in AIMMS

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KW - Modelling

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ER -

Universal branch model for the solution of optimal power flows in hybrid AC/DC grids

Abstract

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Keywords

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ASJC Scopus subject areas

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