Yeah, honestly funny, because I was going to say the opposite. Around here, we rarely see surges but when we do I almost always have to reset breakers on big loads like AC (if it was running) or always the pool pump (but that's quite the different mechanism and likely due to GFCI due to the grounding techniques required for pool systems).
This was an interesting read.
https://www.mtl-inst.com/images/uploads/AN_904-1002_Rev_I.pdf
As with everything in electronics, the world is rarely discrete and every action can be represented in the frequency domain XD
Anyway, TL;DR it's highly dependent on the fault. The earth has high transient impedance on the us time scale, there is ripple, eddys, the magnetic field of the surface of the earth at the strike radius, the transient impedance of circuit path to the point of entry, the size of service transformer and it's grounding and arc-based suppression devices (and any in the chain) causing ripple on the line due to energy stored in the b-fields of the cabling etc.
The lightning strike itself is rarely the cause, it seems like where the strike was and the amount of energy displaced into the earth's surface and if it struck any distribution components directly.
This article discusses average strike currents (across all strokes) but does not discuss energy, I guess we'd be getting into atmospheric E and B field gradients or something silly like that XD
ChipTuner
npub1qd…3fqm7
2026-09-09 18:10:57 UTC
in reply to nevent1q…qh0w
Author Public Key
npub1qdjn8j4gwgmkj3k5un775nq6q3q7mguv5tvajstmkdsqdja2havq03fqm7Published at
2026-09-09 18:10:57 UTCEvent JSON
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"content": "Yeah, honestly funny, because I was going to say the opposite. Around here, we rarely see surges but when we do I almost always have to reset breakers on big loads like AC (if it was running) or always the pool pump (but that's quite the different mechanism and likely due to GFCI due to the grounding techniques required for pool systems). \n\nThis was an interesting read. \nhttps://www.mtl-inst.com/images/uploads/AN_904-1002_Rev_I.pdf\n\nAs with everything in electronics, the world is rarely discrete and every action can be represented in the frequency domain XD \n\nAnyway, TL;DR it's highly dependent on the fault. The earth has high transient impedance on the us time scale, there is ripple, eddys, the magnetic field of the surface of the earth at the strike radius, the transient impedance of circuit path to the point of entry, the size of service transformer and it's grounding and arc-based suppression devices (and any in the chain) causing ripple on the line due to energy stored in the b-fields of the cabling etc. \n\nThe lightning strike itself is rarely the cause, it seems like where the strike was and the amount of energy displaced into the earth's surface and if it struck any distribution components directly. \n\nThis article discusses average strike currents (across all strokes) but does not discuss energy, I guess we'd be getting into atmospheric E and B field gradients or something silly like that XD ",
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