The typical protective device blocks the induced current from entering the transformer. "neutral-current-blocking capacitors". Apparently more cautious operato

The typical protective device blocks the induced current from entering the transformer. "neutral-current-blocking capacitors". Apparently more cautious operators have been busy installing them since at least 1989. https://assets.lloyds.com/assets/pdf-solar-storm-risk-to-the-north-american-electric-grid/1/pdf-Solar-Storm-Risk-to-the-North-American-Electric-Grid.pdf https://assets.lloyds.com/assets/pdf-solar-storm-risk-to-the...