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GE supplies a LM2500+G4 gas turbine for a multi-purpose maritime patrol ship
Recently, GE Marine Solutions announced that it will supply the LM2500+G4 gas turbine to the Italian Navy's new Pattugliatori Polivalenti d'Altura (PPA) multi-purpose maritime patrol ship. The hybrid electric propulsion system of the PPA multi-purpose maritime patrol ship will also utilize GE's shock-proof mv3000 drive and GE's designed engine grid as part of the propulsion system. Avio Aero, based in Italy, will assume responsibility for the design of the gas turbine package.
The PPA multi-purpose maritime patrol ship will be built by Fincantini in its integrated Riva Trigoso and Muggiano shipyards. According to Fincantini, the PPA multi-purpose maritime patrol ship will serve as a multi-purpose patrol ship with maritime rescue capability to civil defense. The captain is 129 meters long and can carry 90 crew members. It can also provide accommodation for 171 members.
It is reported that the contract undertaken by GE Marine Solutions includes the provision of an LM2500+G4 gas turbine and the provision of six additional LM2500+G4 gas turbines. At low speeds, the PPA multi-purpose maritime patrol ship's flexible and unique hybrid propulsion unit will use a small gearbox fixed motor, which will be propelled by two diesel engines at medium speed, and with a gas turbine propulsion, the speed will exceed 31 knots. GE Marine Solutions will also be responsible for the integration of electrical systems for hybrid systems.
The MV3000 drive developed by GE Marine Solutions for the PPA multi-purpose maritime patrol ship will drive the motor to operate the propeller at low speed. Hybrid motors and drives can also be used as generators to power equipment on the ship, such as weapons and sonar. In the event of a disaster relief, the PPA multi-purpose maritime patrol ship was able to provide up to 2 megawatts of power on shore. Because GE's drives can convert a 50 Hz power supply to a 60 Hz power supply, it's easier to connect anywhere on the shore.