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| Sat, 2nd May 2020 18:21:00 |
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Modvion Completes First Wind Turbine Tower In Sweden |
Modvion is a Swedish company that specializes in structures made with cross laminated timber. Recently, it has turned its attention to building towers for wind turbines. "As wind towers rise above 100 meters in height, transportation poses considerable problems given that base diameters for 100+ meter towers exceed 4.3 meters, the limit for transport width in most parts of the USA and the EU," the company says on its website.
CLT construction is lighter and stronger than steel, which permits a narrower base for tall towers. The company's modular construction also means the towers can be shipped in sections that are assembled onsite, eliminating many transportation issues associated with tall steel pylons.
"Additionally, conventional steel tower constructions get dramatically more expensive with height due to the increasing need for thicker walls. In order to make significant returns on wind technology investments, organizations will need to drastically improve both costs and efficiency.
"Our current area of focus is in wind tower technology. '[Our] patented module technology enables significantly decreased cost, efficient transportation and streamlined installation of towers exceeding 120 m. Ultimately, this results in increased cost efficiency in the harvesting of wind resources." Not only that, CLT structures sequester the carbon contained in the wood for generations.
Recently, Modvion completed a 30-meter high CLT tower on the island of Björkö near Gothenburg, which will be used for research purposes. According to Renewable Energy Magazine, the company has signed declarations of intent with Varberg Energi for a 110-meter high tower and with Rabbalshede Kraft for 10 towers, at least 150 meters high. Both are expected to be completed by 2022.
Read original full article
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