Study and Calculation of Geomagnetic Induced Current in Power Grid

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Abstract:

With the development of long distance power transmission in China, Jiangsu, Guangdong and many other places have seen significantly geomagnetic induced current (GIC) in power grid . GIC could bring about great harm to power grid. To study the effect of GIC on power grid, the calculation of the GIC should be done firstly. In this paper, several kinds of GIC calculation model are summarized and analyzed, their advantages and disadvantages are pointed out, And further discusses the finite element algorithm of GIC. Shortcomings of the present situation of GIC calculation are analyzed, and the research direction suitable for the actual situation f is proposed.

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439-443

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May 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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