[HN Gopher] Satellite outage knocks out thousands of Enercon's w...
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Satellite outage knocks out thousands of Enercon's wind turbines
Author : mpsq
Score : 17 points
Date : 2022-02-28 17:23 UTC (5 hours ago)
(HTM) web link (www.reuters.com)
(TXT) w3m dump (www.reuters.com)
| olliej wrote:
| I'm kind of confused, the headline says they're out of operation,
| the article says they're in auto mode.
|
| My understanding (prior to this article) was that turbines
| normally ran autonomously anyway, so is this "they're generating
| power in automatic mode", or they've gone to some kind of
| automatic safe-mode? (I do know that just turning it off/applying
| brakes is insufficient for a general "safe" mode, but that's at
| "I saw it on tv once" level not any technical knowledge)
| Nextgrid wrote:
| I wonder why they use satellite. Wind turbines are high up so it
| seems like a very good candidate for point-to-point line-of-sight
| microwave links.
| olliej wrote:
| They're often placed on the sides of hills so presumably that's
| a problem. UHF/VHF (I can never recall which sorry) is used for
| the rural radio links in NZ so can probably handle such issues.
|
| I suspect the real answer though is that satellite
| theoretically everywhere regardless of geography on the
| installation site, so you only have to build one type of unit
| rather than multiple variants. That probably makes life easier
| (cheaper) for everyone.
|
| Obviously that's assuming a country doesn't decide to disrupt
| entire communication networks in a murder rampage into their
| neighbouring countries.
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(page generated 2022-02-28 23:02 UTC)