LM Wind Power reveals 73.5m wind blade — world's longest
Wind blade manufacturer LM Wind Power's newest blade, announced in February, is 73.5m/241 ft long, with a rotor diameter of 150m/492 ft.
News Item From: Composites World
Posted on: 6/20/2011
Wind blade manufacturer LM Wind Power (Kolding, Denmark) reported on June 15 that a new blade it announced in February is 73.5m/241 ft long, with a rotor diameter of 150m/492 ft. When LM first announced the blade in February 2011, the length was not reported, although the blade was said to be the world's longest.
LM Wind Power’s new wind turbine blade for offshore wind farms was developed by the company’s specialist engineers in Denmark. Vice president, product development at LM Wind Power, Jan Kristiansen, says the company is looking forward to being able to present the first prototype blade in Denmark at the end of 2011.
“The size of these impressive structures has more than doubled over the past decade alone, and although this has of course demanded the development of new materials, design and technology along the way, the new 73.5m blade is built on our progressive accumulation of know-how. This ensures that even though it is more than 10m longer than our recent world record blade, it is still based on a proven concept.”
The LM 73.5P wind turbine blades will be installed on Alstom’s 6-MW wind turbines offshore, mainly in European waters, where the giant blades will travel at the speed of more than 320 km/h in order to generate green power equivalent to the yearly requirements of more than 6,000 European households.
“Speed to market is important in the fast-moving wind energy industry. In order to make the best possible blade available to our customers with least delay, our product development and manufacturing engineers have to work very closely together — as one team. One example is the way our in-house mold experts have produced a special prototype mold with a transparent surface. This allows for full-scale manufacturing trials where our engineers are able to follow the critical polyester infusion by visual inspection,” Jan Kristiansen explains.
LM Wind Power also reports that it is in discussions with a number of Asian wind turbine manufacturers about making blades even longer than 80m/263 ft. |
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发表于 2011-6-22 09:08:56
发表于 2011-11-10 17:17:08