Abstract:Solar storms impact electrical power grids by causing DC neutral point
currents in transformers. These currents lead to half-cycle saturation
as well as other related and unwanted effects in the grid. To reduce the
effect of these currents on the grid, DC-blocking devices can be
installed or changes in the grid topology can be made. However, these
counter measures often have unwanted side effects or cannot be applied
to the grid due to operational restrictions. In this work, a novel
mitigation approach, based … Show more
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