Gregory's Serverthere are so many cool details to this technology i had to leave out. but watch this video. you'll see amazing things like high voltage relays quenched with compressed air, water cooled load resistors, synchronous motors, and really scary 400V switches.
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 and if you can't make it out to Sweden, there are virtual tours available: https://alexander.n.se/en/virtual-visit-to-saq-grimeton/ for further reading, here's a useful paper. https://www.navy-radio.com/xmtrs/vlf/alexanderson-mayes-1975.pdf  @tubetime OMG it runs off 2-phase because it's from a very particular time and place in the US. @tubetime OMG the air-quenched relays are scary, and they're just right out there. @tubetime Thanks for posting this; on my list for my next visit to Scandinavia. |
the facility also has an informative website: https://grimeton.org/