Protection of Power Transformers Against Geomagnetically Induced Currents

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Published: Nov 15, 2011
DOI: https://doi.org/10.2298/SJEE1103333G
Keywords:
Solar storm, Magnetosphere, Geomagnetic induced current, Ionosphere, Transformer saturation, Relay protection.

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Vladimir Gurevich

Abstract

The article examines the problem of saturation and failure of power transformers under geomagnetically induced currents and currents of the E3 component of high-altitude nuclear explosions. It also describes a special protective relay reacting on DC component in the transformer neutral current.

Article Details

Issue
Vol 8 No 3 (2011)
Section
Articles