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Very impressive high-voltage cables
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AlbertL:
Solid-dielectric 345KV cables 6.5 miles (10.5 km) long, extruded as single continuous lengths, requiring 10 days: https://www.transmissionhub.com/articles/2012/01/abb-sets-new-power-cable-record-in-new-york-harbor.html
I didn't even realize that solid-dielectric cables were made for such a high voltage! I thought it would need oil-filled pipe cable.
This document has physical and electrical specs for ABB's high-voltage land cables:
https://library.e.abb.com/public/ab02245fb5b5ec41c12575c4004a76d0/XLPE%20Land%20Cable%20Systems%202GM5007GB%20rev%205.pdf
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