Search results for: DolWin beta

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  • Nordic Yards Undocks SylWin Alpha

    1 July 2014

    The offshore converter platform SylWin alpha was undocked at the Nordic Yards shipyard in Warnemünde last week. The 15,000 tonne yellow topside left the dock in the morning on the barge “Nordic Giant 101”: the platform – aligned diagonally across the dock – was built on the barge because SylWin, at 83 metres long and […]

  • Fabrication yards: Heerema Fabrication Group

    3 October 2012

    Dutch engineering and fabrication company Heerema Fabrication Group (HFG) was already a well known player in the oil & gas industry, when around five years ago, the offshore wind industry was just really setting off. Then HFG was asked whether they could build some small platforms for this new industry. With the company’s vast experience […]

  • Fourth Order for Construction of Transformer Platform for Nordic Yards (Germany)

    26 February 2013
    Business & Finance, Grid Connection, Technology

    Leading manufacturer of major maritime projects, Nordic Yards, has signed a contract to construct an offshore transformer platform. The client, Alstom, with whom Nordic Yards will be working for the first time, was awarded the tender by transmission grid operator TenneT Offshore GmbH. DolWin gamma is the fourth HVDC transformer platform (High Voltage Direct Current) […]

  • TenneT Seeks Grid Connection Systems Provider

    14 February 2020
    Contracts & Tenders, Grid Connection

    TenneT has issued a call for tenders for the turnkey construction of two AC grid connection systems to connect the 342MW Kaskasi II and the 242MW Gode Wind 3 wind farms in the German North Sea to the associated HVDC sea stations. The scope comprises all works, from design, to manufacturing, delivery, and installation, up […]

  • NDE Completes Inspections on Four Siemens HVDC Platforms

    20 September 2017
    Grid Connection, Operations & Maintenance

    NDE Offshore has completed the structural and subsea inspections on Siemens HVDC platforms in Germany, owned by TenneT.

  • HelWin Beta Jacket Fills Its Spot

    21 April 2014
    Grid Connection, Technology

    The jacket of the HelWin beta HVDC platform has been successfully placed at its position in the German part of the North Sea, Heerema Fabrication Group informed via social media. After Heerema Fabrication Group had finished building the HelWin beta jacket at its yard in Vlissingen, the structure sailed away to its location on April […]

  • Heerema Showcasing at OTC in Houston

    6 May 2014
    Business & Finance, Technology

    Heerema Fabrication Group (HFG) and Heerema Marine Contractors (HMC) are taking part in this year’s Offshore Technology Conference (OTC). The conference is running from 5-8 May at Reliant Park in Houston, where Heerema companies can be found at booth 2317. The company’s latest project in the offshore wind sector is the HelWin beta HVDC platform, […]

  • The Road to Renewables

    5 March 2017

    Times are changing in the offshore energy market. Investments in the oil & gas industry are low, while development and investments in offshore renewable energy are high and very much increasing. The shallow waters of the North Sea area, in particular, show an increasing level of investments in renewable energy and more specifically, in wind energy.

  • HelWin Beta Topside Ready to Go

    9 June 2014
    Grid Connection, Technology

    Heerema has successfully loaded the HVDC topside of Siemens’ HelWin beta platform onto a seagoing barge. On Saturday, the HelWin beta topside was loaded onto the H-542 barge, operated by Heerema Marine Contractors, a sister division of Heerema Fabrication Group, which built the platform. In October 2012, Heerema started the construction of the 10,200-ton HVDC […]

  • OMM Demonstrates Its New ‘Tower Support Services’ Package

    1 September 2014
    Grid Connection

    Offshore Marine Management (OMM) has successfully completed six of eleven cable pull-in operations under its new ‘Tower Support Services’ package. The package, which was formed to provide clients with a clearly defined set of support services, also includes hang-off as well as termination and testing operations. John Lawton, Director from OMM, commented: “Our Tower Support […]

  • NDE Offshore Starts Inspecting Platform Helideck Substructures off Germany

    20 April 2017
    Grid Connection, Operations & Maintenance

    Offshore service provider NDE Offshore has started annual inspections of the helideck substructures on three HVDC platforms in the German North Sea for Siemens Transmission.

  • NDE Wraps Up North Sea Helideck Inspections

    18 May 2017
    Operations & Maintenance

    Offshore services provider NDE Offshore has completed annual inspections of the helideck substructures on three HVDC platforms in the German North Sea for Siemens Transmission.

  • VIDEO: Siemens’ Giants of the North Sea

    26 May 2014
    Grid Connection, Technology

    Massive offshore platforms, which convert and transmit power from offshore wind farms, got a leading role in Siemens’ latest video called Giants of the North Sea. HelWin alpha, BorWin beta and SylWin alpha transformer platforms are built at Nordic Yards’ facilities in Wismar and Warnemünde. These structures are approximately high as a 10-story house, large as […]

  • VIDEO: Load Out of HelWin Beta Jacket

    14 April 2014
    Grid Connection, Operations & Maintenance

    On Friday, the HelWin beta jacket was completed and sailed to its offshore location in the German sector of the North Sea from the fabrication facilities of Heerema Fabrication Group (HFG) in Vlissingen. Siemens’ HelWin beta jacket was successfully loaded onto the barge on March 31, after Heerema Fabrication Group undertook necessary preparations for the work. […]

  • Kaskasi Offshore Wind Farm Hooked to HelWin Beta Platform

    14 July 2022
    Grid Connection, Wind Farm Update

    TenneT has connected RWE’s Kaskasi II offshore wind farm to the HelWin Beta platfrom, the heart of the HelWin2 high-voltage direct current (HVDC) offshore grid connection in the German North Sea. Kaskasi II, located 35 kilometres north of the island of Heligoland, is currently under construction with the wind turbine installation work to commence soon. […]

  • Friesland to Present ‘All in One’ Hybrid Offshore Cables in Hannover, Germany

    5 April 2013
    Grid Connection, Technology

    The demand for the so-called hybrid cables for converter platforms of offshore wind farms and on board vessels is ever more increasing. In addition to the conventional copper wires, the cables combine numerous other components, such as pneumatic and hydraulic hoses, flexible coaxial cables or optical waveguides. “All in one” hybrid cables are space-saving, easily […]

  • Germany: Nordic Yards Starts Construction of Third Offshore Transformer Platform

    3 May 2012
    Grid Connection

    Construction starts on the SylWin alpha offshore transformer platform at Nordic Yards, manufacturer of innovative special ships and major maritime projects for the offshore wind and other industries. The first steel blank cut was made in the presence of representatives of the client, Siemens Energy, and the end customer, TenneT, at the Rostock-Warnemünde yard.  SylWin […]

  • German Offshore Platform Tested for Air Leaks

    13 July 2018
    Grid Connection, Operations & Maintenance

    Bremerhaven-based engineering specialist b.offshore has carried out Door Fan Tests on TenneT’s HelWin beta offshore converter platform in the German North Sea.

  • The Netherlands: Kersten Europe Finishes Work on HelWin Beta

    24 June 2013
    Grid Connection

    The production of 360 conical and cylindrical parts has been awarded to Kersten Europe. The cylinders and cones will be used as nodes for the Converter Deck, AUX Power Deck, GIS Deck, Reactor Deck, HVAC Deck and the Top Deck of HelWin beta The HelWin Beta platform is developed by Heerema Fabrication Group and Siemens […]

  • HelWin Beta Topside on the Move

    16 June 2014
    Grid Connection, Technology

    HVDC topside of Siemens’ HelWin beta converter platform left Heerema Fabrication Group’s (HFG) yard in Zwijndrecht on Saturday, June 14. The topside was transported to Schiedam for the last fabrication activities. Last week, the HelWin beta topside was loaded onto the H-542 barge, operated by Heerema Marine Contractors, a sister division of Heerema Fabrication Group. […]

  • TenneT Reports Delay on BorWin Beta and HelWin Alpha (Germany)

    23 November 2011

    Transmission system operator TenneT is fulfilling its obligations under German energy law and is making exceptional efforts to connect offshore wind farms in Germany. TenneT informed the German federal government that the construction of grid connections for offshore wind farms in the North Sea is no longer either possible at the present pace and under […]

  • UPDATE: Installation of HelWin Beta Jacket Almost Done

    25 April 2014
    Technology

    The installation work on HelWin beta jacket is nearing completion, after all six piles had been driven into the seabed. Heerema Fabrication Group (HFG) said that the levelling of the piles and welding them to the jacket is about to start soon. The 4,500-tonne jacket took its position last week. HFG’s fabrication facility Heerema Zwijndrecht […]

  • HelWin Beta Jacket Ready to Go

    1 April 2014
    Wind Farm Update

    Siemens’ HelWin beta jacket was successfully loaded on the barge yesterday at Heerema’s Vlissingen yard. “The next milestone is the sail away to its final offshore destination,” Heerema Fabrication Gruop said. The jacket is part of the HelWin beta converter platform, which is one of the main components of the TenneT DC offshore grid connection […]

  • SeaRenergy Positions BorWin Beta HVDC Offshore Substation

    25 April 2014
    Grid Connection, Wind Farm Update

    After the installation of the subsea structure of the converter platform BorWin beta 125km off the coast in 40 meters water depth in 2013, the topside with a weight of app. 12,000 tons followed today. The tow with BorWin beta had reached the construction site on April 22 after about 24 hours of transit time. […]

  • Chevalier Floatels Wraps Up Three TenneT Gigs

    11 August 2016
    Vessels

    Chevalier Floatels informed today that it had executed three logistics contracts for TenneT this summer, after being chosen by Global Renewables Shipbrokers (GRS) on behalf of the transmission system operator (TSO) to support scheduled summer campaigns in Germany. The company’s recently upgraded vessels, DP Gezina and DP Galyna, were employed to provide accommodation and transfer for TenneT’s personnel […]

  • VIDEO: Closer Look to BorWin Beta

    26 August 2014
    Grid Connection, Technology

    Siemens has released a video about the BorWin beta platform, which will transform the alternating current (AC) supplied by wind turbines from two offshore wind farms, Veja Mate and Global Tech 1, before converting it to the same voltage of direct current.  Check out the following video and find out more about the platform from […]