LOAD-FLOW STUDIES IN THE PRESENCE OF GEOMAGNETICALLY-INDUCED CURRENTS.

V. D. Albertson, J. G. Kappenman, N. Mohan, G. A. Skarbakka

Research output: Contribution to conferencePaperpeer-review

1 Scopus citations

Abstract

Large transient fluctuations in the earth's magnetic field can produce quasi-dc currents in electric power systems. These geomagnetically-induced currents (GIC's) cause half-cycle saturation in power transformers resulting in increased transformer var requirements. This paper discusses the phenomena by which GIC's are produced in power systems, the system and transformer modeling necessary for representing the effects, and the results of load-flow studies made with GIC present in a large interconnected power system in the northern United States and Canada. Results of the studies are compared with data recorded during a geomagnetic storm.

Original languageEnglish (US)
StatePublished - 1979
Externally publishedYes
EventIEEE Power Eng Soc, Prepr, Summer Meet - Vancouver, BC, Can
Duration: Jul 15 1979Jul 20 1979

Conference

ConferenceIEEE Power Eng Soc, Prepr, Summer Meet
CityVancouver, BC, Can
Period7/15/797/20/79

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