Norway’s DNV introduces new floating solar field concept

30 October 2012 (Last Updated October 30th, 2012 18:30)

Norway-based DNV has developed SUNdy, a large-scale offshore solar field concept, to help fill the need for alternative energy sources.

SUNdy_DNV

Norway-based DNV has developed SUNdy, a large-scale offshore solar field concept, to help meet the need for alternative energy sources.

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Launched at Singapore International Energy Week, the floating offshore solar field concept features a hexagonal array which floats on the sea surface.

A collection of these arrays, totalling 4,200 solar panels, form a solar island equivalent of the size of a large football stadium, capable of generating 2MW of power.

DNV Clean Technology Centre managing director Sanjay Kuttan said that the SUNdy concept utilises flexible thin-film 560W solar panels that undulate with the ocean’s surface.

"The key to creating an ocean-based structure of this size is the use of a tension-only design. Rather like a spider’s web, this dynamic, compliant structure yields to the waves, yet is capable of withstanding considerable external loads acting upon it," Kuttan said.

DNV KEMA Renewable Energy Services global segment director Kevin Smith added, "The solar arrays are divided into electrical zones feeding electricity produced into two main switches collecting the power for voltage step up at a central transformer (2MVA 480/34.5kV)," Smith added.

"From the offshore solar farm’s central island, 30kV electrical transmission lines connect, tying other islands in series to form a close loop and continue to the electrical sub-station onshore for grid connection."


Image: The new floating offshore solar field concept utilises flexible thin-film 560W solar panels. Photo: courtesy of DNV KEMA.