Universität zu Köln

Witthaut, Dirk ORCID: 0000-0002-3623-5341, Rohden, Martin, Zhang, Xiaozhu ORCID: 0000-0003-3816-1478, Hallerberg, Sarah and Timme, Marc ORCID: 0000-0002-5956-3137 (2016). Critical Links and Nonlocal Rerouting in Complex Supply Networks. Phys. Rev. Lett., 116 (13). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

Link failures repeatedly induce large-scale outages in power grids and other supply networks. Yet, it is still not well understood which links are particularly prone to inducing such outages. Here we analyze how the nature and location of each link impact the network's capability to maintain a stable supply. We propose two criteria to identify critical links on the basis of the topology and the load distribution of the network prior to link failure. They are determined via a link's redundant capacity and a renormalized linear response theory we derive. These criteria outperform the critical link prediction based on local measures such as loads. The results not only further our understanding of the physics of supply networks in general. As both criteria are available before any outage from the state of normal operation, they may also help real-time monitoring of grid operation, employing countermeasures and support network planning and design.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Witthaut, Dirk UNSPECIFIED orcid.org/0000-0002-3623-5341 UNSPECIFIED Rohden, Martin UNSPECIFIED UNSPECIFIED UNSPECIFIED Zhang, Xiaozhu UNSPECIFIED orcid.org/0000-0003-3816-1478 UNSPECIFIED Hallerberg, Sarah UNSPECIFIED UNSPECIFIED UNSPECIFIED Timme, Marc UNSPECIFIED orcid.org/0000-0002-5956-3137 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-280980
DOI:	10.1103/PhysRevLett.116.138701
Journal or Publication Title:	Phys. Rev. Lett.
Volume:	116
Number:	13
Date:	2016
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1079-7114
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SYNCHRONIZATION; KURAMOTO; STABILITY; FAILURES; ENERGY; SYSTEM; MODEL Multiple languages Physics, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/28098