Global Optimal Stabilization of MT-HVDC Systems: Inverse Optimal Control Approach

The stabilization problem of multi-terminal high-voltage direct current (MT-HVDC) systems feeding constant power loads is addressed in this paper using an inverse optimal control (IOC). A hierarchical control structure using a convex optimization model in the secondary control stage and the IOC in t...

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Autores principales:	Oscar Danilo Montoya, Walter Gil-González, Federico Martin Serra, Cristian Hernan De Angelo, Jesus C. Hernández
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	inverse optimal control MT-HVDC systems global stabilization large disturbances Kron’s reduction semidefinite programming Electronics TK7800-8360
Acceso en línea:	https://doaj.org/article/a913e2386d8f4da2b23e1ee02716b07e
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spelling	oai:doaj.org-article:a913e2386d8f4da2b23e1ee02716b07e2021-11-25T17:24:55ZGlobal Optimal Stabilization of MT-HVDC Systems: Inverse Optimal Control Approach10.3390/electronics102228192079-9292https://doaj.org/article/a913e2386d8f4da2b23e1ee02716b07e2021-11-01T00:00:00Zhttps://www.mdpi.com/2079-9292/10/22/2819https://doaj.org/toc/2079-9292The stabilization problem of multi-terminal high-voltage direct current (MT-HVDC) systems feeding constant power loads is addressed in this paper using an inverse optimal control (IOC). A hierarchical control structure using a convex optimization model in the secondary control stage and the IOC in the primary control stage is proposed to determine the set of references that allows the stabilization of the network under load variations. The main advantage of the IOC is that this control method ensures the closed-loop stability of the whole MT-HVDC system using a control Lyapunov function to determine the optimal control law. Numerical results in a reduced version of the CIGRE MT-HVDC system show the effectiveness of the IOC to stabilize the system under large disturbance scenarios, such as short-circuit events and topology changes. All the simulations are carried out in the MATLAB/Simulink environment.Oscar Danilo MontoyaWalter Gil-GonzálezFederico Martin SerraCristian Hernan De AngeloJesus C. HernándezMDPI AGarticleinverse optimal controlMT-HVDC systemsglobal stabilizationlarge disturbancesKron’s reductionsemidefinite programmingElectronicsTK7800-8360ENElectronics, Vol 10, Iss 2819, p 2819 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	inverse optimal control MT-HVDC systems global stabilization large disturbances Kron’s reduction semidefinite programming Electronics TK7800-8360
spellingShingle	inverse optimal control MT-HVDC systems global stabilization large disturbances Kron’s reduction semidefinite programming Electronics TK7800-8360 Oscar Danilo Montoya Walter Gil-González Federico Martin Serra Cristian Hernan De Angelo Jesus C. Hernández Global Optimal Stabilization of MT-HVDC Systems: Inverse Optimal Control Approach
description	The stabilization problem of multi-terminal high-voltage direct current (MT-HVDC) systems feeding constant power loads is addressed in this paper using an inverse optimal control (IOC). A hierarchical control structure using a convex optimization model in the secondary control stage and the IOC in the primary control stage is proposed to determine the set of references that allows the stabilization of the network under load variations. The main advantage of the IOC is that this control method ensures the closed-loop stability of the whole MT-HVDC system using a control Lyapunov function to determine the optimal control law. Numerical results in a reduced version of the CIGRE MT-HVDC system show the effectiveness of the IOC to stabilize the system under large disturbance scenarios, such as short-circuit events and topology changes. All the simulations are carried out in the MATLAB/Simulink environment.
format	article
author	Oscar Danilo Montoya Walter Gil-González Federico Martin Serra Cristian Hernan De Angelo Jesus C. Hernández
author_facet	Oscar Danilo Montoya Walter Gil-González Federico Martin Serra Cristian Hernan De Angelo Jesus C. Hernández
author_sort	Oscar Danilo Montoya
title	Global Optimal Stabilization of MT-HVDC Systems: Inverse Optimal Control Approach
title_short	Global Optimal Stabilization of MT-HVDC Systems: Inverse Optimal Control Approach
title_full	Global Optimal Stabilization of MT-HVDC Systems: Inverse Optimal Control Approach
title_fullStr	Global Optimal Stabilization of MT-HVDC Systems: Inverse Optimal Control Approach
title_full_unstemmed	Global Optimal Stabilization of MT-HVDC Systems: Inverse Optimal Control Approach
title_sort	global optimal stabilization of mt-hvdc systems: inverse optimal control approach
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a913e2386d8f4da2b23e1ee02716b07e
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Global Optimal Stabilization of MT-HVDC Systems: Inverse Optimal Control Approach

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