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News and comments on community broadband networks, the communities deploying them and the technologies that support them. Published by Denise Frey and Al Bonnyman.

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Index of 2100 previous posts since March 2003

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Monday, August 18, 2003


Blackout 2003: What happened?

Blackout 2003: What happened?

"Power loop probed as blackout's cause remains a mystery: Experts zero in on ring surrounding Lake Erie; answer could take weeks"

"Timeline: Countdown to the blackout"
"- 3:32 p.m. Extra power coursing through the Hanna-Juniper 345-kilovolt line heats the wires, causing them to sag into a tree and trip. "

A 345 kv line should not have any trees that it could sag into -- standard industry practice calls for critical corridors like that one to be cleared of tall vegetation regularly!

Power experts offer answers to blackout's cause, effects"

"Midwest may have triggered string of blackouts: Downed power line in Cleveland comes under scrutiny"

Trigger for swings in power still unknown"

"Q&A: Inside the Electrical Grid"

Fail-safe systems faltered in crunch"

Defining the vocabulary of the blackout

... and my favorite headline:
"Whatever It Was, It Was Big"


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