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The platform will be placed at a depth of six metres on a so-called "gravity-based" foundation, which retains its stability on the sea bed in all weather conditions by virtue of its own weight.
The new windmill park Red Sand II will comprise 90 offshore wind turbines with a total output of 200 MW, enough to supply 200,000 households for a whole year. Red Sand II also offers the opportunity to build three trial wind turbines with a capacity of 15 MW in total.
The transformer platform will collect electricity from these wind turbines and transform it from 33 kV to 132 kV for transferral via a powerful marine subsea cable to the shore, benefiting domestic consumers and companies alike.
COWI designs the platform topside and its concrete foundation. The platform itself houses the main transformer with associated cables and panels, internal power supply, an emergency generator, a fire-fighting unit, a workshop and monitoring and control system. The whole operation will be controlled and monitored from the shore.
The platform topside weights approximately 800 tonnes, not counting its concrete foundation. The transformer alone weighs 280 tonnes. The ground plan will be 30 m x 16 m.
Jens Bjørnmose Project and Market Director, Oil and gas Tel.: +45 56 40 18 email@example.com