Ms7001ea Gas Turbine Ge

| 15-09-2021
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LM2500
An LM2500 on USS Ford(FFG-54)
TypeAeroderivative gas turbine
National originUnited States
ManufacturerGeneral Electric
First run1960s
Developed fromGeneral Electric CF6

The propane/high pressure MR string will include one horizontally split centrifugal compressor with side streams for propane and one-barrel centrifugal compressor for high pressure MR, driven by a GE MS7001EA gas turbine and a helper/starter steam turbine. GE Oil & Gas will also supply heat recovery steam generator for each of the two strings.

The General Electric LM2500 is an industrial and marine gas turbine produced by GE Aviation. The LM2500 is a derivative of the General Electric CF6 aircraft engine.

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The LM2500 is available in 3 different versions:

  • The LM2500 delivers 33,600 shp (25,100 kW) with a thermal efficiency of 37 percent at ISO conditions. When coupled with an electric generator, it delivers 24 MW of electricity at 60 Hz with a thermal efficiency of 36 percent at ISO conditions.[1]
  • The improved, 3rd generation, LM2500+ version of the turbine delivers 40,500 shp (30,200 kW) with a thermal efficiency of 39 percent at ISO conditions. When coupled with an electric generator, it delivers 29 MW of electricity at 60 Hz with a thermal efficiency of 38 percent at ISO conditions.[2][3]
  • The latest, 4th generation, LM2500+G4 version was introduced in November 2005 and delivers 47,370 shp (35,320 kW) with a thermal efficiency of 39.3 percent at ISO conditions.[4]

As of 2004, the U.S. Navy and at least 29 other navies had used a total of more than one thousand LM2500/LM2500+ gas turbines to power warships.[5] Other uses include hydrofoils, hovercraft and fast ferries.

In 2012, GE developed an FPSO version to serve the oil and gas industry's demand for a lighter, more compact version to generate electricity and drive compressors to send natural gas through pipelines.[6]

Design and development[edit]

A heavy lift lowers the main propulsion module into the hull of USS Bunker Hill(CG-52) during construction at Ingalls Shipbuilding. The module consists of two General Electric LM2500 gas turbine engines and a Westinghouse gear reduction unit.

The LM2500 was first used on the US Navy GTS Admiral W. M. Callaghan in 1969, after the original FT-4 gas turbines experienced many technical problems.[7] Later, they were used in US Navy warships in the Spruance class class of destroyers and the related Kidd class, which were constructed from 1970. In this configuration it was rated to 21,500 shp (16,000 kW). This configuration was subsequently used into the 1980s in the Oliver Hazard Perry-classfrigates, and Ticonderoga-classcruisers. It was also used by one of People's Republic of China's Type 052 Luhu Class Missile Destroyer (Harbin 112) acquired before the embargo.

The LM2500 was uprated to 26,500 shp (19,800 kW) for the Arleigh Burke-class destroyers, which were initiated in the 1980s and started to see service in the early 1990s, and the T-AOE-6 class of fast combat tanker.

In 2001 the LM2500 (20 MW) was installed in a sound-proof capsule in the South African Navy Valour class (Meko A-200 SAN) frigates as part of a CODAG propulsion system with two MTU 16V 1163 TB93 Propulsion Diesels.

The current generation was uprated in the late 1990s to over 30,000 shp (22,000 kW).

LM2500 installations place the engine inside a metal container for sound and heat isolation from the rest of the machinery spaces. This container is very near the size of a standard 40-foot (12 m) intermodal shipping container - but not the same, the engine size very slightly exceeds those dimensions. The air intake ducting may be designed and shaped appropriately for easy removal of the LM2500 from their ships.

The LM2500+ is an evolution of the LM2500, delivering up to 40,200 shp (30,000 kW) or 28.6 MW of electric energy when combined with an electrical generator. Two of such turbo-generators have been installed in the superstructure near the funnel of Queen Mary 2, the world's largest transatlantic ocean liner, for additional electric energy when the ship's four diesel-generators are working at maximum capacity or fail. Celebrity Cruises uses two LM2500+ engines in their Millennium-class ships in a COGAS cycle.

The LM2500 is license-built in Japan by IHI Corporation,[citation needed] in India by Hindustan Aeronautics Limited,[8] and in Italy by Avio Aero.[citation needed]

The LM2500/LM2500+ can often be found as turbine part of CODAG, CODOG, CODLAG propulsion systems or in pairs as powerplants for COGAG systems.

Applications[edit]

Aircraft carrier:

  • Italian aircraft carrier Cavour(C 550) (Italian Navy)
  • HTMS Chakri Naruebet (Royal Thai Navy)
  • Spanish aircraft carrier Príncipe de Asturias (Spanish Navy)
  • INS Vikrant (Indian Navy)

Amphibious assault ship:

Gas
  • USS Makin Island(LHD-8) (United States Navy)
  • Spanish ship Juan Carlos I(L61) (Spanish Navy)
  • Canberra-classlanding helicopter dock (Royal Australian Navy)

Cruiser:

  • Ticonderoga-classcruiser (United States Navy)

Destroyer:

  • Arleigh Burke-classdestroyer (United States Navy)
  • Hobart-classdestroyer (Royal Australian Navy)
  • Atago-classdestroyer (Japan Maritime Self-Defense Force)
  • Durand de la Penne-classdestroyer (Italian Navy)
  • Gwanggaeto the Great-classdestroyer (Republic of Korea Navy)
  • Kidd-classdestroyer (Republic of China Navy)
  • Sejong the Great-classdestroyer (Republic of Korea Navy)
  • Kongō-classdestroyer (Japan Maritime Self-Defense Force)
  • Spruance-classdestroyer (United States Navy)
  • Type 052 destroyer (People's Liberation Army Navy)

Frigate:

  • Adelaide-classfrigate (Royal Australian Navy)
  • Álvaro de Bazán-classfrigate (Spanish Navy)
  • Anzac-classfrigate (Royal Australian Navy, Royal New Zealand Navy)
  • Baden-Württemberg-classfrigate (German Navy)
  • Barbaros-classfrigate (Turkish Navy)
  • Brandenburg-classfrigate (German Navy)
  • Bremen-classfrigate (German Navy)
  • Cheng Kung-classfrigate (Republic of China Navy)
  • FREMM multipurpose frigate (French Navy, Italian Navy, Royal Moroccan Navy)
  • Fridtjof Nansen-classfrigate (Royal Norwegian Navy)
  • Halifax-classfrigate (Royal Canadian Navy)
  • Horizon-classfrigate (French Navy, Italian Navy)
  • Hydra-classfrigate (Hellenic Navy)
  • Jinnah-classfrigate (Pakistan Navy)
  • Naresuan-classfrigate (Royal Thai Navy)
  • Oliver Hazard Perry-classfrigate (United States Navy)
  • Sachsen-classfrigate (German Navy)
  • Santa María-classfrigate (Spanish Navy)
  • Shivalik-classfrigate (Indian Navy)
  • Valour-classfrigate (South African Navy)
  • Vasco da Gama-classfrigate (Portuguese Navy)
  • Ulsan-classfrigate (Republic of Korea Navy)

Fast Combat Support Ship:

  • Supply-classfast combat support ship (United States Navy)

Maritime Prepositioning Force:

  • Watson-classvehicle cargo ship (United States Navy)

Littoral combat ship:

  • Independence-classlittoral combat ship (United States Navy)

Maritime Security Cutter, Large:

  • Legend-class cutter (United States Coast Guard)

Ge Ms7001ea Gas Turbine

Corvette:

  • Pohjanmaa-class corvette (Finnish Navy)
  • Ada-classcorvette (Turkish Navy)
  • Niels Juel-classcorvette (Royal Danish Navy)
  • Sa'ar 5-classcorvette (Israeli Navy)
  • BRP Conrado Yap (PS-39) (Philippine Navy)
  • Inhauma-classcorvette (Brazilian Navy)
  • Pegasus-classhydrofoil (United States Navy)

Mobile version[edit]

The GE TM2500 is derived from the LM2500, and mounted on a trailer that makes it possible to move it to wherever 30MW of temporary electricity generation is required.[9] It can be installed and commissioned in 11 days.[10]

Specification[edit]

Specifications for three models of LM2500 series gas turbine engines:

Ms7001ea gas turbine generators

Ms7001ea Gas Turbine

LM 2500 series gas turbine engines specifications
Performance CategoryLM2500[11][12][13]LM2500+[14][15][13]LM2500+G4[16][17][13]
Output33,600 shp (25,060 kW)40,500 shp (30,200 kW)47,370 shp (35,320 kW)
Fuel consumption0.373 lb/shp-hr (227 g/kW-hr)0.354 lb/shp-hr (215 g/kW-hr)0.325 lb/shp-hr (214 g/kW-hr)
Heat rate6,860 Btu/shp-hr (9,705 kJ/kW-hr)6,522 Btu/shp-hr (9,227 kJ/kW-hr)6,469 Btu/shp-hr (9,150 kJ/kW-hr)
Exhaust gas flow155 lb/s (70.5 kg/s)189 lb/s (85.9 kg/s)205 lb/s (93 kg/s)
Exhaust gas temperature1,051⁰F (566°C)965⁰F (518°C)1,020⁰F (549°C)
Turbine speed (rpm)3,6003,6003,600
Thermal efficiency36%38%39%
Weight4.7 ton5.25 ton5.25 ton

See also[edit]

Ms7001ea Gas Turbine Generators

Related development

Comparable engines

Related lists

References[edit]

  1. ^'LM2500 Marine Gas Turbine Data Sheet'(PDF). GE Aviation. Archived from the original(PDF) on 15 September 2012. Retrieved 4 January 2014.
  2. ^'LM2500+ Marine Gas Turbine Data Sheet'(PDF). GE Aviation. Archived from the original on 29 July 2012.CS1 maint: bot: original URL status unknown (link)
  3. ^Ramsdal, Roald (27 October 2014). 'På disse plattformene fyrer de minst for måkene'. Teknisk Ukeblad. Archived from the original on 28 October 2014.
  4. ^'LM2500+G4 Marine Gas Turbine Data Sheet'(PDF). GE Aviation. Archived from the original(PDF) on 14 March 2014. Retrieved 27 July 2012.
  5. ^'GE Marine to Supply IHI with LM2500 Gas Turbines to Power Japan's 15DDG AEGIS Destroyer' (Press release). GE Aviation. 6 May 2004. Archived from the original on 17 October 2006.
  6. ^'From aircraft to blowout preventer, GE's global technology cross-pollinates'. World Oil Online. 10 September 2012. Archived from the original on 14 March 2014. Retrieved 10 September 2012.
  7. ^'GTS Admiral W.M. Callaghan | MARAD'. www.maritime.dot.gov. Retrieved 11 August 2020.
  8. ^GE Marine Solutions Military page
  9. ^'GE TM2500 Gas Turbine'. VBR Turbine Partners. Retrieved 30 August 2019.
  10. ^'Mobile Aeroderivative Gas Turbine TM2500'. general Electric. Retrieved 30 August 2019.
  11. ^'LM2500'. Archived from the original on 13 May 2016. Retrieved 16 May 2016.
  12. ^'LM2500 engine'(PDF). Archived(PDF) from the original on 22 October 2016. Retrieved 16 May 2016.
  13. ^ abc'LM2500 series gas turbine engine'. Archived from the original on 25 March 2016. Retrieved 16 May 2016.
  14. ^'LM2500+'. Archived from the original on 14 May 2016. Retrieved 16 May 2016.
  15. ^'LM2500+ engine'(PDF). Archived(PDF) from the original on 22 October 2016. Retrieved 16 May 2016.
  16. ^'LM2500+G4'. Archived from the original on 14 May 2016. Retrieved 16 May 2016.
  17. ^'LM2500+G4 engine'(PDF). Archived(PDF) from the original on 10 January 2017. Retrieved 16 May 2016.

External links[edit]

Wikimedia Commons has media related to GE LM2500.

Ms7001ea Gas Turbine Generator

  • Official GE Aviation page for LM2500 (GEAE).
  • Official GE Aviation page for LM2500+.
  • Official GE Aviation page for LM2500+G4.
Turbine
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