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Topic Title: Wind Tower Welding Technology
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Created On: 16 June 2017 09:25 AM
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 16 June 2017 09:25 AM
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Posts: 2
Joined: 16 June 2017

Hello, everyone. I'm new here.
Recently, I've read some articles about wind towers, it seems like the Link Removed keep growing quickly.
Wind energy is one of the most important clean energy for us. I am definitely a supporter of wind energy and building wind farms. But will the tower height grow? The wind tower welding technology must sustain larger collapsing force. Can a 200-meter tall wind tower have the same stiffness with a 100-meter tall wind tower?
 16 June 2017 12:33 PM
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Posts: 4036
Joined: 26 June 2002

Welcome Molly.
There are many limitations on the size of towers. The blades of the turbine are the primary stiffness problem, as they must be slender and aerodynamic to extract maximum energy from the wind. Building structures much larger than 200m are common, but are expensive. The size decision is primarily an economic one, more slightly smaller structures might well cost less, and the cost of failure would be less. It is not welding which is the limitation, modern welding techniques allow weld strength to be at least as good as the base metal.

In order to post a link you need some history of posting, good luck.

 16 June 2017 02:19 PM
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Posts: 10066
Joined: 22 July 2004

You may find this table of sizes, weights and powers interesting.

At some point a field with a number of smaller turbines is preferred to building ever bigger ones.

regards Mike

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