Marine Link
Tuesday, October 25, 2016

SeaRenergy Installs Windpower Converter Platform

August 28, 2013

SeaRenergy Offshore successfully installed the first DC Converter Platform HelWin 1. The installation of the second platform BorWin 2 on behalf of Siemens (SIEMENS.NS) is scheduled for later this year.

In June the subsea structure of the HelWin 1 Platform was installed in a water depth of approximately 23 meters about 85 KM offshore, northwest of the island Helgoland. The 12.000 ton Topside with a dimension of 75x27x50 meters is the largest platform that has ever been installed in the North Sea. It was towed from its production site in Wismar to the offshore site in seven days and positioned in four days. On August 23, four tugboats positioned the Topside above the subsea structure and it was lifted hydraulically to its final position, 22 meters above sea level. HelWin 1 will be connected to the wind farms Nordsee Ost and Meerwind. Together they have a capacity of 576 Megawatts which is sufficient to provide electricity for over 500,000 households. The platform converts the alternating current power generated by the wind farms to direct current, ensuring only very minimal transmission loss during transportation to the shore.

SeaRenergy Offshore is responsible for the realization of the project including the transport and installation concepts. This also includes all project management, offshore operations, marine coordination as well as on‐ / offshore logistics and QHSE.

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