Dedicated experts in offshore engineering WINDPOWER Northwind transformer platform Customer: Northwind Offshore Energy/ Bladt Industries The project The Northwind (previous Eldepasco NV) wind farm, is a wind power project located on the Bank zonder Naam in the North Sea, about 38 km off the coast of Belgium. Semco Maritime worked on the engineering and construction of the electrical part of an offshore transformer platform. The wind farm has an installed production capacity of 215MW produced by 72 turbines of 3MW each. The connection between the Offshore High Voltage Substation (OHVS) and the on-shore grid connection was realized with a 220kV submarine export cable of approximatly 42 km length from the Nortwind wind farm towards the shore and a land cable of approximatly 2,6 km length. A second 220kV connection with a lenght of approximatly 10 km was installed between the Northwind wind farm and the Belwind 2 wind farm. In Semco Maritime this contract was handled mainly by the Wind, Oil & Gas Division, with project participation from both Power Projects and Products & Technology. Technical description The scope of work included: • Engineering of both HV and LV of the electrical part of the OHVS • Purchasing of all electrical equipment • Construction and commissioning of both HV and LV of the electrical part of the OHVS The subsystems consisted of: High Voltage (HV): HV Transformer, HV GIS, MV switchgear, Reactors, Aux. transformers, HV SCADA. Fire protection: Fire alarm system, fire extinguishing system. Low Voltage (LV): Switchboards, genset, diesel transfer, UPS, heat tracing. Communication: Fibre optics, CCTV, AIS, meteo system, LAN, Iridium telephone. The scope of work also included heating, ventilation and airconditioning (HVAC). This was the first platform where Semco Maritime supplied both HV and LV, and managed to supply a very good platform, which the client was very pleased with. Country: Denmark Period: February 2012 - September 2013 Semco Maritime www.semcomaritime.com semco@semcomaritime.com November 2014 Work with us Dedicated to the energy sector, Semco Maritime is an international contracting and engineering company. For more than 30 years we have been facilitating design, fabrication, service and maintenance of our customers’ assets, providing comprehensive project management across all phases of energy projects. From turnkey engineering solutions to operation support and delivery of components, systems and solutions – we make sure our customers and partners in the energy sector experience safe, cost-efficient operations. Semco Maritime is an international company with 2000 employees and branches in Denmark, Norway, UK, UAE, Singapore, Vietnam, Australia, Central America and USA. For further information please see www.semcomaritime.com
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