Page 24 - Industrial Plant 2020
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additional service that Saipem could provide to its usual   well as hydroturbines of different types. Their state of the
                             Oil&Gas clients, allowing the latter to reduce their   art hydroturbine is the GEMStar. This technology uses
                             operating costs by embracing a more sustainable   two contra-rotating turbines driven by slow-moving water
                             source of energy. Further hybrid applications are   flows, namely river, tidal or water currents, which are
                             envisaged as a source of clean energy to recharge   mounted on a floating system linked to the seabed by
                             Saipem’s Hydrone fleet, our most advanced series of   means of a tether. The GEMStar floats around 15m
                             underwater ROVs, the first fully unmanned and   below water surface, where the current speed is generally
                             autonomous.                              maximum, unlike that of most of its competitors which
                             Saipem is currently involved with the transportation and   rests on the seabed where it encounters the lowest
                             installation of a WEC from EMEC site on the Orkney   current speed and the high foulage effect from debris.
                             Islands to the BiMEP site in the Basque Country.   The distance from sea surface allows the device to avoid
                             Saipem will also take care of the installation of the   the  effect of  waves,  unlike the  solution  of  other
                             mooring equipment and electrical cable.  competitors whose hydroturbine is mounted below the
                             There are also further initiatives under discussion with   hull of a floating body. The tether allows the device to
                             important clients in both Asia and Europe.  self-orientate, avoiding expensive submarine foundations;
                                                                      it also enables the hydroturbine to be installed within a
                                                                      wide range of water depths, as the length of the tether
                             Seapower                                 can be adjusted according to needs. On releasing the
                             SeaPower scrl is a spin-off of Federico II University of   anchorage cable, the system can pop-up for easy
                             Naples. The company develops both wind turbines as   maintenance.

            IndustrIal Plants - May 2020
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