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  • Teknotherm and Heinen & Hopman to deliver HVAC for DolWin6 HVDC grid connection project

Teknotherm and Heinen & Hopman to deliver HVAC for DolWin6 HVDC grid connection project

  • On January 8, 2019 /
  • In Frontpage, News

We are proud to announce that Teknotherm and Heinen & Hopman were awarded to design and deliver the complete HVAC system for Offshore High Voltage Station DolWin6. The HVDC converter platform will be built by Dragados Offshore in Cadiz, Spain, who is specialized in building Offshore modules. The new OHVS, which will be built for German-Dutch grid operator TenneT, has a capacity of 900 megawatt and will be located in the German North Sea.

SHIPYARD : Dragados Offshore
OWNER : TenneT
DELIVERY YEAR : 2023
COUNTRY OF DELIVERY : Spain
LOCATION : German North Sea
VESSEL TYPE : Offshore High Voltage Station
CAPACITY : 900 megawatt

The offshore converter platform transforms power from the incoming wind turbines via 155 kV high voltage cables AC to 320kV high voltage DC, exporting it to the converter station onshore, where the power is converted back to AC and to be connected to the high voltage AC grid. The platform will be bridge‐linked to the existing Dolwin beta platform.

HVAC
Heinen & Hopman will design and supply the HVAC systems and will be involved during installation – onshore and offshore commissioning – into 2023. High quality materials will be used to avoid corrosion and guarantee the 30 year design lifetime of the platform.

The contract is considered as a major milestone for both Heinen & Hopman and Teknotherm Marine. With the contract, the company strengthens its activities into OHVS delivery for the offshore wind industry by performing a project at the forefront of its sector, using the expertise and competence of their subsidiary company Teknotherm and its new build department in Oslo, Norway.

Design Conditions
The following design conditions are specified:

Seawater : 0 / +20 deg C
Outside air : -6 / + 28 deg C
Inside air : 5 to 45 deg C

More information
If you want to know more about our HVAC solutions for Offshore High Voltage Stations, don’t hesitate to get in touch.

Tags: Dolwin, Dragados
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Teknotherm has a history dating back to 1926 as a designer, contractor and manufacturer of high quality refrigeration systems.

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