Page 51: of Marine Technology Magazine (January 2016)

Tidal Turbine Connected with Onshore Electricity Grid rench marine renewable energy therefore plans to keep the D10 tidal tur- for the turbine nacelle, a junction box pioneer SABELLA has complet- bine submerged for one year to conduct jumper cable, and various test cables.

Fed a cable operation connecting various trials. Pre-orientated in the direction of nat- a tidal turbine to an onshore grid. The Following the gradual increase in the ural tidal currents and empowered by operation was carried out in the From- speed of the Fromveur Passage currents, symmetrical rotor blades, the turbines veur Passage, off the island of Ushant, Sabella’s D10 tidal energy turbine has effectively capture the energy generated

France, and the future outcome of con- produced 10 MW/h of electricity under by the shift between ebb and ? ow. The necting the two halves is a coverage of real operating conditions. Having been rotor is activated even by modest current 15 to 20 percent of the Ushant island’s deployed last June, the turbine started motion and powers a generator, which electricity consumption needs. Com- delivering limited quantities of power to exports the electricity produced to the pleted with the help of a MacArtney Ushant island in November 2015. onshore grid via a submarine cable an- connectivity solution, the ‘Sabella D10’ For transmitting the harnessed tidal chored and embedded at its landfall.

tidal stream turbine project includes two power to the onshore grid, the ‘Sabella MacArtney GreenLink Inline Termi- drymate GreenLink connectors, one D10’ relies on a purpose-built subsea nation solutions are often used to con- linked with the turbine, the other one connectivity solution from MacArtney. nect dynamic cables from offshore re- connected to the export cable. They are Based on MacArtney’s GreenLink In- newable wind-, tidal- and wave-energy eventually lifted out of the water and line Termination technology the power converters to export cables. In addition, connected to one another. is transmitted back to the onshore grid they are widely used to interconnect

Over the past years, Sabella has de- via the dynamic subsea export cable. subsea units and can be combined with veloped an original concept for a screen The solution also comprises a couple of the GreenLink Hub to support more de- of tidal turbines being positioned on the hang-off stress terminations, a custom- vices in an array.

sea? oor. In accordance with a permit is- ized ? ange including various medium- www.macartney.com sued by the French government, Sabella and low-voltage ? ber-optic connectors

Final ? xation of GreenLink connector to its plate.

(Photo: SABELLA) www.marinetechnologynews.com

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