Community consistency determines the stability transition window of power-grid nodes

The synchrony of electric power systems is important in order to maintain a stable electricity supply. Recently, the measure basin stability was introduced to quantify a node’s ability to recover its synchronization when perturbed. In this work, we focus on how basin stability depends on the couplin...

Full description

Bibliographic Details
Main Authors: Heetae Kim, Sang Hoon Lee, Petter Holme
Format: Article
Language:English
Published: IOP Publishing 2015-01-01
Series:New Journal of Physics
Subjects:
Online Access:https://doi.org/10.1088/1367-2630/17/11/113005
_version_ 1797751129539346432
author Heetae Kim
Sang Hoon Lee
Petter Holme
author_facet Heetae Kim
Sang Hoon Lee
Petter Holme
author_sort Heetae Kim
collection DOAJ
description The synchrony of electric power systems is important in order to maintain a stable electricity supply. Recently, the measure basin stability was introduced to quantify a node’s ability to recover its synchronization when perturbed. In this work, we focus on how basin stability depends on the coupling strength between nodes. We use the Chilean power grid as a case study. In general, basin stability goes from zero to one as coupling strength increases. However, this transition does not happen at the same value for different nodes. By understanding the transition for individual nodes, we can further characterize their role in the power-transmission dynamics. We find that nodes with an exceptionally large transition window also have a low community consistency. In other words, they are hard to classify to one community when applying a community detection algorithm. This also gives an efficient way to identify nodes with a long transition window (which is computationally time consuming). Finally, to corroborate these results, we present a stylized example network with prescribed community structures that captures the mentioned characteristics of the basin stability transition and recreates our observations.
first_indexed 2024-03-12T16:42:57Z
format Article
id doaj.art-d9bd8ac5d8e24d9db5ca8e3d0d64733c
institution Directory Open Access Journal
issn 1367-2630
language English
last_indexed 2024-03-12T16:42:57Z
publishDate 2015-01-01
publisher IOP Publishing
record_format Article
series New Journal of Physics
spelling doaj.art-d9bd8ac5d8e24d9db5ca8e3d0d64733c2023-08-08T14:22:41ZengIOP PublishingNew Journal of Physics1367-26302015-01-01171111300510.1088/1367-2630/17/11/113005Community consistency determines the stability transition window of power-grid nodesHeetae Kim0Sang Hoon Lee1Petter Holme2Department of Energy Science, Sungkyunkwan University , Suwon, 16417, KoreaDepartment of Energy Science, Sungkyunkwan University , Suwon, 16417, Korea; School of Physics, Korea Institute for Advanced Study , Seoul, 02455, KoreaDepartment of Energy Science, Sungkyunkwan University , Suwon, 16417, KoreaThe synchrony of electric power systems is important in order to maintain a stable electricity supply. Recently, the measure basin stability was introduced to quantify a node’s ability to recover its synchronization when perturbed. In this work, we focus on how basin stability depends on the coupling strength between nodes. We use the Chilean power grid as a case study. In general, basin stability goes from zero to one as coupling strength increases. However, this transition does not happen at the same value for different nodes. By understanding the transition for individual nodes, we can further characterize their role in the power-transmission dynamics. We find that nodes with an exceptionally large transition window also have a low community consistency. In other words, they are hard to classify to one community when applying a community detection algorithm. This also gives an efficient way to identify nodes with a long transition window (which is computationally time consuming). Finally, to corroborate these results, we present a stylized example network with prescribed community structures that captures the mentioned characteristics of the basin stability transition and recreates our observations.https://doi.org/10.1088/1367-2630/17/11/113005network theorypower gridssynchronization
spellingShingle Heetae Kim
Sang Hoon Lee
Petter Holme
Community consistency determines the stability transition window of power-grid nodes
New Journal of Physics
network theory
power grids
synchronization
title Community consistency determines the stability transition window of power-grid nodes
title_full Community consistency determines the stability transition window of power-grid nodes
title_fullStr Community consistency determines the stability transition window of power-grid nodes
title_full_unstemmed Community consistency determines the stability transition window of power-grid nodes
title_short Community consistency determines the stability transition window of power-grid nodes
title_sort community consistency determines the stability transition window of power grid nodes
topic network theory
power grids
synchronization
url https://doi.org/10.1088/1367-2630/17/11/113005
work_keys_str_mv AT heetaekim communityconsistencydeterminesthestabilitytransitionwindowofpowergridnodes
AT sanghoonlee communityconsistencydeterminesthestabilitytransitionwindowofpowergridnodes
AT petterholme communityconsistencydeterminesthestabilitytransitionwindowofpowergridnodes