Effects of GIC in Power System and Control Measures

Abstract:

The geomagnetic storm which is caused by the sun's activity is a global natural disaster. For the transformer neutral line connects to the earth directly, the geomagnetic storms can induce GIC in the loop formed by the earth and the transmission lines with long distance. The GIC has very big effect on the safe operation of electric power system when it flows in power grid. It includes the main damages on power system equipment caused by the GIC, the introduction of the GIC generation principle, main features, analysis algorithm and some control measures in this paper. Finally, point out that the GIC of the long distance transmission system and large-scale power grid should be paid more attention.

• Periodical: Applied Mechanics and Materials (Volumes 182-183)
• Pages: 676-680
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.182-183.676
• Online since: June 2012
• Authors: You Jie Ma, Dong Fang Wu, Xue Song Zhou
• Keywords: Geomagnetic Induced Current, Geomagnetic Storms, Transmission Line

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