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Wind generator failure #175470
03/02/08 11:06 AM
03/02/08 11:06 AM
A
Active 1  Offline OP
Member
Joined: Feb 2003
Posts: 687
Grayslake IL, USA

Work Gear for Electricians and the Trades
Re: Wind generator failure [Re: Active 1] #175471
03/02/08 11:10 AM
03/02/08 11:10 AM
L
leland  Offline
Member
Joined: Aug 2007
Posts: 853
Lowell area, Ma. USA
Now that could hurt a boater!

No wonder My senior Senator does'nt want them offshore of his compound!:)

Re: Wind generator failure [Re: leland] #175472
03/02/08 11:28 AM
03/02/08 11:28 AM
J
JoeTestingEngr  Offline
Member
Joined: Nov 2005
Posts: 791
Chicago, Il.
Seeing something like that would probably drive him to drinking. Nevermind!
Joe

Re: Wind generator failure [Re: JoeTestingEngr] #175473
03/02/08 11:45 AM
03/02/08 11:45 AM
J
JValdes  Offline
Member
Joined: Jun 2007
Posts: 301
South Carolina
You think with all the technology, someone would have tought about this happening. It's called a brake!
There are so many ways that windmill could have been fitted to spin only so fast.

ps...centrifical clutch come to mind.

Last edited by JValdes; 03/02/08 11:46 AM.
Re: Wind generator failure [Re: JValdes] #175474
03/02/08 12:46 PM
03/02/08 12:46 PM
S
SP4RX  Offline
Member
Joined: Oct 2007
Posts: 56
Edmonton, Alberta, Canada...eh
Quote
It's called a brake!


In this case the mechanism that limits the speed of the windmill is called a "break"!

Re: Wind generator failure [Re: SP4RX] #175475
03/02/08 01:16 PM
03/02/08 01:16 PM
S
sparkyinak  Offline
Member
Joined: Jul 2007
Posts: 1,328
Alaska
Originally Posted by SP4RX
Quote
It's called a brake!


In this case the mechanism that limits the speed of the windmill is called a "break"!

It broke alright! smile


"Live Awesome!" - Kevin Carosa
Re: Wind generator failure [Re: SP4RX] #175476
03/02/08 01:16 PM
03/02/08 01:16 PM
R
resqcapt19  Offline
Member
Joined: Nov 2000
Posts: 2,148
IL
I don't think that they use breaks. I believe that they change the pitch of the blades to limit the speed.


Don(resqcapt19)
Re: Wind generator failure [Re: resqcapt19] #175479
03/02/08 01:52 PM
03/02/08 01:52 PM
G
gfretwell  Online Content

Member
Joined: Jul 2004
Posts: 9,166
Estero,Fl,usa
The ones I looked on out Dakota trip last summer (Minot ND) only pitch the last few feet of the blade tip but I saw it bring one down to a dead stop in a minute in a a fairly good wind. Still not sure why they feathered it since the twin next to it was still going. My thought was it was easier to do load leveling with this than coal/synfuel fired plant down the road in Beulah.


Greg Fretwell
Re: Wind generator failure [Re: gfretwell] #175481
03/02/08 02:05 PM
03/02/08 02:05 PM
G
gfretwell  Online Content

Member
Joined: Jul 2004
Posts: 9,166
Estero,Fl,usa
This is a link to a picture I took showing the tips being feathered

http://esteroriverheights.com/electrical/wind_turbine_minot_nd.jpg


Greg Fretwell
Re: Wind generator failure [Re: gfretwell] #175501
03/03/08 06:54 AM
03/03/08 06:54 AM
S
SteveFehr  Offline
Member
Joined: Mar 2005
Posts: 1,213
Chesapeake, VA
When I saw this topic, I thought you meant the wind generator failure in texas over the weekend, where the wind in the panhandle suddenly dropped and texas nearly went into rolling blackouts. They were saved by... (drumroll, please) thousands of small diesel generators! Which fired up at industrial sites across the state and took up the delta from the 4% of the state electric load the wind turbines normally provide.

I look forward to seeing 20% of our energy provided by wind and solar...

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