Blar i forfatter "Solheim, Kristian Thinn"

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    • Geomagnetic induced currents in long subsea power cables 

      Solheim, Kristian Thinn; Johnsen, Magnar Gullikstad (Research report; Forskningsrapport, 2022-09-16)
      This report focuses on geomagnetically induced currents (GIC) that can be induced in long subsea power cables. Literature indicates that the water depth itself, in which the cable will be laid, will not contribute to an attenuation of the geoelectric field for those water depths relevant for the Krafla power cable. However, the presence of a coast will introduce a strong enhancement. Even minor ...

    • Geomagnetically induced currents in a Norwegian transformer station 

      Solheim, Kristian Thinn; Mo, Olve; Johnsen, Magnar Gullikstad (Research report; Forskningsrapport, 2022-05-11)
      This report considers measurements of geomagnetically induced current (GIC) and comparison to recorded variations in the geomagnetic field (dB/dt). The GIC-sensors were installed in the neutral point of a 420 kV transformer located in Mid-Norway in 2019. The magnetometers (for dB/dt) are also located in Mid-Norway, but at another location. Recordings up to December 2021 are presented in this report. ...