Wind energy articles from the Power and Energy Solutions, renewable energy magazine and website.

Siemens to supply 12 direct-drive wind turbines to Süderlügum in Schleswig-Holstein

• Publicly-operated wind farm to use modern, direct-drive systems
• Option "Reactive Power at No Wind" for grid stabilization
• Service contract for a term of 20 years

Siemens Energy has secured an order for a total capacity of 36 megawatts (MW) in Nordfriesland. Siemens is to supply twelve direct-drive wind turbines, eleven model SWT-3.0-113 and one model SWT-3.0-101 turbine, for the Süderlügum publicly-operated wind farm. The installation of Süderlügum onshore wind power plant is scheduled for late 2014. The owner has contracted Siemens for service and maintenance for a period of 20 years to ensure the long-term economical operation o

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Siemens installs two offshore platforms for TenneT in the North Sea in July

• Two significant milestones for German offshore grid expansion
• First four North Sea platforms from Siemens will transmit wind-based electricity to supply around three million German households
• Successive commissioning between 2nd half of 2014 and 1st half of 2015

Siemens has installed a fourth offshore platform in the North Sea, completing an important stage for grid connections of sea-based wind farms. This is the platform for the SylWin1 DC link, which is the most powerful of the four offshore wind power grid connections contracted to Siemens by the German-Dutch transmission grid operator TenneT between 2010 and 2011. Only a few days prior to this, Siemens installed the thir

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Romax delivers end of warranty inspection contract with Statkraft for Sheringham Shoal wind farm

Romax Technology has provided Europe's largest renewable energy company Statkraft with end of warranty inspection services and maintenance training for its Sheringham Shoal wind farm site. Operated by Statkraft and jointly owned with the Norwegian gas and oil company Statoil, Sheringham Shoal is one of the UK's largest wind farms with 88 Siemens 3.6MW turbines.

Romax provided full turbine inspections for the entire wind farm, including main bearings, gearbox, electric cabinets and blade inspection. By enlisting the help of Romax, Statkraft was able to assess the status of their wind turbines and confidently enter end of warranty negotiations with the manufacturer.
Romax Technology uses its wind turbine gearbox design and testing experience in offerin

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Installation of largest transformer at sea - excellent example of Holland's Glory

Dutch offshore companies realised a unique operation in the North Sea. Under the direction of Seaway Heavy Lifting, one of the world's largest convertor platforms - a ‘power socket at sea' - is installed to the west of Sylt, the East Frisian Island. Siemens built the SylWin alpha platform. It is so large and heavy that the ingenious 'float-over method' has been used to lift it from a pontoon onto the already installed ‘jacket' (the base of the platform). This approach has been used successfully in the Gulf of Mexico and in the Far East, but is the first time that a platform as large as SylWin alpha was installed using the method in the North Sea.

Siemens commissioned Seaway Heavy Lifting (based in Zoetermeer, the Netherlands) to perfor

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Siemens D6 direct-drive wind turbine obtains type certification by DNV GL

• Further step in ramping up serial production of innovative offshore wind turbine rated at 6 megawatts
• Tested and certified for 25 years lifetime

Siemens Energy has obtained type certification by certifying body DNV GL for the company's innovative D6 offshore wind turbine. The model Siemens SWT-6.0-154 is equipped with a modern direct drive generator, rated at 6 megawatts (MW) and equipped with a 154 meter rotor. The official certificate is a further step in ramping up the serial production of the turbine. The certification process included DNV GL experts being given full access to the engineering and Siemens assembly facilities in Brande as well as testing facilities at Oesterild, Denmark and

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