GELM2500+G4 Gas Turbine Hybrid Electric Propulsion System to Power Italian Navy's New PPA Offshore Patrol Ship
GE’s Marine Solutionsannounced it will provide a LM2500+G4 gas turbine that will power the Italian Navy’s new Pattugliatori Polivalenti d’Altura (PPA) multipurpose offshore patrol ship. The PPA’s hybrid electric propulsion system also will use GE’s shock-proof MV3000 drives and a GE-designed electrical network of motors as part of the propulsion system.Avio Aero, a GE Aviation business headquartered in Italy, will have the design responsibility for the gas turbine package.
The PPA ship will be built by Fincantieriat its Integrated Shipyard of Riva Trigoso and Muggiano. Fincantieri is one of the world’s largest shipbuilding groups and a leader in the naval shipbuilding industry. According to Fincantieri’s announcementon this project, the PPA patrol ship will serve multiple functions from patrol with sea rescue capacity to civil protection operations. It will be 129 meters long, and will carry 90 crew members with additional accommodations for up to 171 members.
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“We are excited to be part of a project that will continue to modernize and strengthen the Italian Navy’s surface fleet,” said Tim Schweikert, President and Chief Executive Officer, GE’s Marine Solutions. “Our contract includes an order for one LM2500+G4 as well an option for six more LM2500+G4s. The ship’s flexible and uniquehybrid propulsion plantwill feature small gearbox mounted-motors for low speed operations,two propulsion diesels for mid-speed service and the gas turbine to reach more than 31 knots. We will also be responsible for the electrical system integration of the hybrid system,” Schweikert added.
The PPA’s MV3000 drive developed by GE’s Marine Solutions will drive the electric motor to rotate the propeller in low speed operations. The hybrid motor and drive also can act as the generator to power equipment onboard the vessel, such as weapons and sensors. While conductingdisaster relief operations, the PPA will be able to provide up to 2MW of power to the shore. GE drivescan convertthe frequency of the electricity generated to 50 or 60 hertz, allowing smooth shore connection whatever the location.
Source : GE Marine
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