Power network topology control for mitigating the effects of geomagnetically induced currents

Cecilia Klauber, Hao Zhu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Solar storms can induce quasi-dc geomagnetically induced current (GIC) flows in power grids, which could potentially lead to transformer damage and system stability and reliability issues. We consider the problem of designing operational GIC mitigation strategies by switching transmission lines. This topology control approach could relieve the power network from temporarily high level of GIC flows, without significantly affecting the security of grid operations. We will cast the problem as a mixed-integer linear program, and develop computationally tractable solutions using linear sensitivity analysis to select candidate lines to change status while maintaining system connectivity. The effectiveness of the proposed method has been demonstrated using a 20-bus GIC test case.

Original languageEnglish (US)
Title of host publicationConference Record of the 50th Asilomar Conference on Signals, Systems and Computers, ACSSC 2016
EditorsMichael B. Matthews
PublisherIEEE Computer Society
Pages313-317
Number of pages5
ISBN (Electronic)9781538639542
DOIs
StatePublished - Mar 1 2017
Event50th Asilomar Conference on Signals, Systems and Computers, ACSSC 2016 - Pacific Grove, United States
Duration: Nov 6 2016Nov 9 2016

Publication series

NameConference Record - Asilomar Conference on Signals, Systems and Computers
ISSN (Print)1058-6393

Other

Other50th Asilomar Conference on Signals, Systems and Computers, ACSSC 2016
CountryUnited States
CityPacific Grove
Period11/6/1611/9/16

Keywords

  • geomagnetically induced currents
  • mixed-integer program
  • sensitivity analysis
  • topology control

ASJC Scopus subject areas

  • Signal Processing
  • Computer Networks and Communications

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