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The HelWin Beta HVDC Converter Platform (high-voltage direct current) was installed in the German part of the North Sea in a water depth of 23 metres.  The 33kV alternating current offered by the wind turbines is converted to 320 kV direct current on the platform, with as effect, less energy loss along the way. The distance from the platform to the transformer station in Büttel is 130 kilometres which is where the connection to the electricity grid is located. The maximum capacity of HelWin beta is 690 MW, which is sufficient to provide approximately 750,000 households with energy. Iv-Oil & Gas was responsible for the design of the topside and for the procurement of non-high-voltage equipment. Iv-Consult made the shop drawings.
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HelWin Beta HVDC Converter Substation

Minimises energy losses

The HelWin Beta HVDC Converter Platform (high-voltage direct current) was installed in the German part of the North Sea in a water depth of 23 metres.  The 33kV alternating current offered by the wind turbines is converted to 320 kV direct current on the platform, with as effect, less energy loss along the way. The distance from the platform to the transformer station in Büttel is 130 kilometres which is where the connection to the electricity grid is located. The maximum capacity of HelWin beta is 680 MW, which is sufficient to provide approximately 750,000 households with energy. Iv-Offshore & Energy was responsible for the design of the topside and for the procurement of non-high-voltage equipment. Iv-Consult made the shop drawings for this project.

Technical data

Dimensions:
Topside 100 x 43 x 75m                      
Jacket 63 x 42 x 48 m

Weight:
Topside 10,400 T
Jacket 4,700 T    

Water Depth: 24m
Power Generation: 680 MW
Would you like to know more about the possibilities for your project? Mark will be pleased to share ideas about your engineering issues. Contact him by email or call​ 088 943 3300.
We are always on the lookout for new talent. How can you strengthen our team? Working at Iv means working on challenging and varied projects every day. At the office or on location. Check now to see if you can find an exciting challenge within your specialism!
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