Controlled Islanding with Special Consideration of Parallel Power System Restoration Constraints

Intentional Controlled Islanding (ICI) can prevent blackouts by splitting the system into islands following a severe disturbance. Post-islanding events, however, might lead to instabilities that can result into blackouts within one or more islands. Although it is critical to ensure that the islands...

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Main Authors: Jairo Quirós-Tortós, Pablo Fernández-Porras
Format: Article
Language:English
Published: Universidad de Costa Rica 2017-05-01
Series:Ingeniería
Subjects:
Online Access:https://revistas.ucr.ac.cr/index.php/ingenieria/article/view/26443
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author Jairo Quirós-Tortós
Pablo Fernández-Porras
author_facet Jairo Quirós-Tortós
Pablo Fernández-Porras
author_sort Jairo Quirós-Tortós
collection DOAJ
description Intentional Controlled Islanding (ICI) can prevent blackouts by splitting the system into islands following a severe disturbance. Post-islanding events, however, might lead to instabilities that can result into blackouts within one or more islands. Although it is critical to ensure that the islands can be restored in the case of local blackouts, this has not been addressed in the literature. To fill this gap, this paper proposes an ICI method that considers not only the typical ICI constraints, but also Parallel Power System Restoration (PPSR) constraints. The traditional islanding problem for minimal power-flow disruption ensuring the typical generator coherency constraint is extended to include at least one blackstart unit within each island and to exclude various branches from possible solutions. To understand the extent to which each island can be restored, the method quantifies the active and reactive power generation available within each island to determine the maximum load that can be picked up. By applying the proposed ICI method, the restoration process can be facilitated and speeded up. Simulation studies on two IEEE test systems are used to demonstrate the effectiveness of the method in determining an islanding solution that considers PPSR constraints with different network topologies and sizes.
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spelling doaj.art-bd5ed0c8c5dd4e4793bdca5b2a2635ea2022-12-21T23:30:27ZengUniversidad de Costa RicaIngeniería1409-24412215-26522017-05-0127110.15517/jte.v27i1.26443Controlled Islanding with Special Consideration of Parallel Power System Restoration ConstraintsJairo Quirós-Tortós0Pablo Fernández-Porras1Electric Power & Energy Research Laboratory, Escuela de Ingeniería EléctricaElectric Power & Energy Research Laboratory, Escuela de Ingeniería EléctricaIntentional Controlled Islanding (ICI) can prevent blackouts by splitting the system into islands following a severe disturbance. Post-islanding events, however, might lead to instabilities that can result into blackouts within one or more islands. Although it is critical to ensure that the islands can be restored in the case of local blackouts, this has not been addressed in the literature. To fill this gap, this paper proposes an ICI method that considers not only the typical ICI constraints, but also Parallel Power System Restoration (PPSR) constraints. The traditional islanding problem for minimal power-flow disruption ensuring the typical generator coherency constraint is extended to include at least one blackstart unit within each island and to exclude various branches from possible solutions. To understand the extent to which each island can be restored, the method quantifies the active and reactive power generation available within each island to determine the maximum load that can be picked up. By applying the proposed ICI method, the restoration process can be facilitated and speeded up. Simulation studies on two IEEE test systems are used to demonstrate the effectiveness of the method in determining an islanding solution that considers PPSR constraints with different network topologies and sizes.https://revistas.ucr.ac.cr/index.php/ingenieria/article/view/26443Graph theoryintentional controlled islandingparallel power system restorationspectral clustering
spellingShingle Jairo Quirós-Tortós
Pablo Fernández-Porras
Controlled Islanding with Special Consideration of Parallel Power System Restoration Constraints
Ingeniería
Graph theory
intentional controlled islanding
parallel power system restoration
spectral clustering
title Controlled Islanding with Special Consideration of Parallel Power System Restoration Constraints
title_full Controlled Islanding with Special Consideration of Parallel Power System Restoration Constraints
title_fullStr Controlled Islanding with Special Consideration of Parallel Power System Restoration Constraints
title_full_unstemmed Controlled Islanding with Special Consideration of Parallel Power System Restoration Constraints
title_short Controlled Islanding with Special Consideration of Parallel Power System Restoration Constraints
title_sort controlled islanding with special consideration of parallel power system restoration constraints
topic Graph theory
intentional controlled islanding
parallel power system restoration
spectral clustering
url https://revistas.ucr.ac.cr/index.php/ingenieria/article/view/26443
work_keys_str_mv AT jairoquirostortos controlledislandingwithspecialconsiderationofparallelpowersystemrestorationconstraints
AT pablofernandezporras controlledislandingwithspecialconsiderationofparallelpowersystemrestorationconstraints