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    • Measurement of DC Currents in the Power Grid by Current Transformer 

      Author: Ripka P.; Draxler K.; Styblíková R.
      (IEEE, 2013)
      DC currents in power grids are mainly caused by geomagnetic activity especially during magnetic storms. It is desirable to monitor these currents to prevent saturation of transformers, which may cause blackout. However, ...