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Some neat videos
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11 comments:
Wind is Log Technology - better than bad, therefore "good".
Fordi, On what basis do you judge wind to be better than bad. The BPA wind performance over thew last week has been miserable, not anywhere close to good.
Charles, you'd have to be a "Ren and Stimpy" fan to get Fordi's joke.
But this might help:
http://www.snotr.com/video/228
Picture doesn't show.
Nabbed this from the page source: http://www.transmission.bpa.gov/Business/Operations/Wind/baltwg.png
www.transmission.bpa.gov/ is not responding.
It shows on my browser (Safari.
Maybe the wind performance looks better if you meditate for an hour and then sing Kumbaya a few times. Seriously, I'm really getting tired of this insanity.
I have been keeping the tabular version of the data that makes up the plots, going back to August of last year (with a few minor gaps). I would be glad to share the data with anyone interested.
H/T Next Big Future:
A new spin-out company from The University of Nottingham aims to lower wind energy costs by four times and reduce the cost of storing excess wind energy by five times. NIMROD Energy Ltd is being launched this week by Professor Seamus Garvey. The system is also four times more efficient in terms of the amount of steel and concrete is needed to generate a megawatt.
IF they can live up to their claims it might make wind energy practical. IF. In certain locations, it's an off-shore system and he wants 600m depth for the compressed air energy storage.
I'm not sure that there are even any suitable locations off of the coast of the continental US. Hawaii probably, Alaska maybe.
4 times less steel and concrete, now that is quite a trick. I wonder what they do to keep those towers up in a stiff breeze.
Trestle design. These things don't work unless they're large. Gravity driven pistons in the blades compress air which eventualy drives turbine(s). The blades have to be very large to insure that they turn slow enough that gravity is stronger than centripital force on the pistons.
I'm guessing that the material efficiency comes from a scaling advantage.
I love that your BPA chart continues updating after you posted.
Seems like those couple days last week without wind were no aberration - Tuesday and Wednesday this week the contribution from wind was nearly 0 for about 36 hours, by eyeball.
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