For the electrical design of the foundations, the electrical and automation department at DIS has developed panel design and specifications, cable lists, and complete electrical schematic and wiring diagrams. This includes illumination analysis to ensure compliance with applicable standards and regulations, a lightning report of LPZ-zones of the design, design and specification of overvoltage protection, short-circuit calculations, cable routing and cable cross-section drawings, as well as earthing and bonding design. Concurrently, the mechanical department has been responsible for the design of mounting brackets, 3D design of electrical panels, and installation layouts for plug connections. Lastly, DIS has created the layout drawings of the electrical equipment installed in the foundations.
– We have experienced a very successful collaboration. We did not feel we worked with an external partner on this task. This was largely due to the close cooperation between Vattenfall’s Electrical Design Manager and the DIS project organization, who performed the tasks. DIS understood how major projects are run and that as a consultant you must be very flexible when planning tasks. Despite changes to both schedules and the design assumptions, DIS demonstrated great professionalism in terms of quality and project management, says Nilas Mandrup Hansen.
The three new offshore wind farms are expected to be operational in 2020. They will be among the largest offshore wind farms in Denmark and will have the capacity to deliver sustainable electricity to approximately 980,000 Danish households.
DIS also provided Vattenfall with information and calculations for the tender materials when Vattenfall submitted and subsequently won the project for the three offshore wind farms.
Vattenfall is a leading European energy company that, for more than 100 years, has electrified industries and supplied energy to people’s homes. Vattenfall aims to make fossil-free living possible within one generation through investments in sustainable energy systems and by growing in the production of renewable and climate-smart energy solutions. There are approximately 20,000 employees (including 250 in Denmark) operating in Sweden, Germany, the Netherlands, Denmark, the UK, France, and Finland. Vattenfall is owned by the Swedish state and is Denmark’s largest developer of onshore and offshore wind power projects.
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