How does an EMP actually take out an entire power grid?

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Wouldn’t the grid just come back online momentarily after some sort of disruption? What’s the actual mechanism that disrupts the flow of electricity?

In: Physics

2 Answers

Anonymous 0 Comments

The problem is that it blows out components of the grid.

An EMP induces really large voltages on anything that looks like a large antenna…like a powerline. If you run 1000V through a component that’s only good for 120V you’ll overload it…components will overheat and burnout. Transformers may explode (the filling boils into gas). When the EMP passes that stuff stays burned out.

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