Danish power utility Elsam, which plans to test four different models of offshore turbine alongside one another, has erected the testing program's first unit just outside the harbour in Frederikshavn, Denmark. The Vestas 3 MW V90 unit -- with a 90 metre rotor diameter and total height of 125 metres -- is a further development of the 2 MW V80, which is used in the 160 MW Horns Rev project recently completed off the south west coast of Denmark. The new turbine is installed on a so-called bucket foundation, which is sucked into the sea bed through vacuum pressure, Elsam reports. The other test turbines will be supplied by Bonus, Vestas and Nordex and are expected to be erected by June.
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