This chapter covers the impacts of geomagnetic storms on ground systems with emphasis on the high voltage power grid. Some additional information is provided describing effects on undersea cable communications and mitigating corrosion on oil and pipelines. The chapter describes the variations of past geomagnetic storms in both locations and time variations. The chapter describes the process of converting incident magnetic fields to electric fields and finally to geomagnetically induced currents (GICs). The impacts of these currents on the operation of large transformers is discussed and how power grids may respond to these currents. The chapter also describes the impacts to the U.S. and Canadian power grids during the Great Geomagnetic Storm from March 13‐14, 1989. There is also discussion about the possibility of future extreme storms and their potential impact on power systems. A bibliography is provided for those who wish to study these mechanisms and impacts on their own.


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    Title :

    Geomagnetic Field Impacts on Ground Systems




    Publication date :

    2021-03-19


    Size :

    31 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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