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Friday, August 18, 2017


French Navy's Auvergne FREMM powered by GE LM2500+G4 Gas Turbine-Based Propulsion System

GE’s Marine Solutionsreports that the FREMM multi-mission frigate Auvergne was delivered to the French Navy on April 11 in Toulon, France. All of the French Navy’s new Aquitaine-class FREMMsfeature the same power dense GE LM2500+G4gas turbine in a COmbined Diesel eLectric OrGas turbine (CODLOG) propulsion system.

According to a DCNS press release, Auvergne is the sixth ship to be deliveredout of a 10-ship FREMM program (four ships have now been delivered to the French Navy, and one each for the Egyptian and Moroccan navies). For the four remaining French ships, DCNS is currently completing the FREMM Bretagne, which was floated in September 2016, and is pursuing assembly of frigate Normandie. DCNS has started on the Alsace, which will be one of the two FREMMswith strengthened anti-aircraft capacities; deliveries are scheduled before 2022.


GE’s LM2500 gas turbine family includes the base LM2500 model (25 megawatts), LM2500+ (30 megawatts) and LM2500+G4 (35 megawatts) – a suite of engines to meet any mission profile*. These engines can be applied in a variety of propulsion configurations so naval architects have design flexibility.

GE Store
GE LM2500+G4 marine gas turbines also will soon power the Italian Navy’s new Pattugliatori Polivalenti d’Altura (PPA) multipurpose offshore patrol ships. GE’s contract includes an order for seven LM2500+G4 gas turbines. The ship’s flexible and unique hybrid propulsion plant will feature small gearbox mounted-motors for low speed operations, two propulsion diesels for mid-speed service and the LM2500+G4 gas turbine to reach 32+ knots. GE also will be responsible for the electrical system integration of the hybrid system.

The PPA project is an example of the GE Store: the LM2500+G4 gas turbines will be built in Evendale, Ohio; Avio Aero will manufacture the LM2500+G4 turbine control system at its facility in Brindisi, Italy; and GE Power Conversion will manufacture the drives.

* average performance, ISO (60 HZ, 59oF, sea level, 60% relative humidity, no inlet/exhaust losses

Source : GE Marine

Published on ASDNews: May 3, 2017

 

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