Quebec’s 735kv power lines can survive the apocalypse, but can they...
summary
Quebec’s 735 kV grid survives extreme ice by design and by brute force: a 1998 storm shears off over 17,000+ poles after 2.8 inches of ice, forcing rebuilds and higher ratings; James Bay dams supply 27 gigawatts via long HVDC links including a DC line to New York that can restart dead grids and is used to de-ice lines by heating them. Ethernet-style BPL backhaul fails long-range because the grid acts as a giant antenna but TCP over power lines works locally.
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chapters (7)
- 0:00Intro
- 0:20History
- 2:58James Bay
- 4:25How do power grids work
- 8:07High voltage DC
- 11:25Can power lines run TCP
- 13:48Lessons from large grids
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