Author Topic: Anyone ever hear about the solar flare?  (Read 584 times)
HM1000
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hm1000
Anyone ever hear about the solar flare? « on: April 21, 2022, 01:08:43 PM » Author: HM1000
I am wondering about if someone heard about it. It might cause power outages
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Re: Anyone ever hear about the solar flare? « Reply #1 on: April 21, 2022, 06:29:57 PM » Author: AgentHalogen_87
Something like The Carrington Event may occur, but that is on the very extreme end.
I've heard radio blackouts on one news site, but no electrical ones (yet).
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HM1000
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Re: Anyone ever hear about the solar flare? « Reply #2 on: April 21, 2022, 06:30:46 PM » Author: HM1000
Ok, Good! at least no power outages
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Re: Anyone ever hear about the solar flare? « Reply #3 on: April 24, 2022, 05:08:48 PM » Author: Medved
This risk is widely known in the industry and in most places procedures are in place to limit the consequence to becom just a nuisance. The "worst case scenario" would happen, if nothing wouldn't be done at all and that is not the case anymore. Ironically some cold war era preparation for a possible nuke attack were adressing the same effects on the power grid (high common mode voltages with mainly low frequency components induced into the power lines, causing transformer core saturation and consequent overload events and so blackouts). Countermeasures were the winding style on the transformers (so the center point could be grounded, yet a common mode currents do cancel out with respect to the core magnetic flux), long lines cut into multiple sections (which get temporarily disconnected should such induction happen) and mainly the early warning systems (main mission of the SOHO observatory probe orbitting the sun). The thing is, the power grid was somehow prepared, but the question is about the sattelites. General approach is to "hibernate" them for the event duration, so only the basic timer stays powered, the rest is shut down. That way it is believed the high ionizing radiation won't cause any damage (the biggest thread of radiation is for it to cause a latch up, leading to local thermal destruction of monolithic ICs; the space grade designs are ruggerized, but still have their limits)
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marcopete87
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Re: Anyone ever hear about the solar flare? « Reply #4 on: April 25, 2022, 03:49:00 PM » Author: marcopete87
I am wondering about if someone heard about it. It might cause power outages
yes, and some years ago happened a minor flare (TV interferences were noticeable).

https://en.wikipedia.org/wiki/2003_Halloween_solar_storms
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HM1000
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Re: Anyone ever hear about the solar flare? « Reply #5 on: April 25, 2022, 03:49:53 PM » Author: HM1000
I think i heard about this one before.
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Re: Anyone ever hear about the solar flare? « Reply #6 on: April 26, 2022, 12:45:21 AM » Author: tolivac
Power distribution systems have better protection from flare issues than what used to be.Don't worry about it.
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