Sep 05, 2017 previous and current train configurations. Natural gas ng and liquid fuel, hours run since overhaul 3700 hrs. Wtui showcased ges entire range of aeroderivative gas turbines including the lm2500, lm5000, lm6000 and lms100. The market for gas turbine electrical power generation forecast.
A typical frame 7 trains installed power is around 190 mw just for the main refrigerant compressor. Lm2500 most commonly used marine gas turbine almost 500 usn and four commercial us shipboard installations over 350 foreign shipboard installations simple cycle 29,500 hp at 3,600 rpm usn rating. Lm2500 gas turbine engine has a 16 stage axial flow compressor made up of a 16 stage compressor rotor of moving blades driven by the high pressure turbine. The lm2500 turbine has had a recent inspection done. The lm2500 marine gas turbine can be coupled with an electric generator making an lm2500 marine gas turbine generator set. Valentini gas turbine power plants 10 4 the joule cycle the joule or braytonjoule cycle, shown in figure 6, is the ideal cycle for gas turbine engines. The power increase is achieved through higher core flow and compressor efficiency, rather than overfiring. Aeroderivative lm2500 gas turbine 50 hz unsurpassed reliability, proven experience, and continuous innovation the lm2500 series gas turbines serve a variety of operating applications in the oil and gas and industrial segments with 22 mw to 33 mw of power in simple cycle operation. The 38 mw variant introduces a gas generator upgrade through a compressor zerostage, to deliver about 10% more power without any change in the turbine section, and with the same firing temperature. Ge aeroderivative gas turbines design and operating features ge power systems ger3695e 1 ge industrial aeroderivative gas turbine performance characteristics generator drive gas turbine ratings output heat rate exhaust flow exhaust temp. Watts load control compressor discharge pressure pcd fuel. Lm2500 gas turbine plant 80 mw, dual fuel, best price. The lm2500 family of aeroderivative gas turbines boasts several times the operating experience of its competitors combined, and its flexibility and reliability are unsurpassed.
This course is intended for customer personnel concerned with daytoday onsite operations and maintenance of the several ge lm2500 pgt25 and lm6000 aeroderivative gas turbine models. The general electric lm2500 is an industrial and marine gas turbine produced by ge aviation. The primary reason for this is that the design point compressor discharge temperature is within 200 degrees f of the gas turbine exhaust temperature. The engine consists, basically, of a gas generator and a powerconversion section, as shown in figures 1. Lm2500 gas turbine generator complete 25 mw lm2500 sac gas turbine generator package with all auxiliary equipment. Lm2500, tm2500, lm5000 lm6000, and lms100 gas turbine. Next overhaul hours are required after 3579 running hours.
It has an upstream rotating compressor coupled to a downstream turbine, and a combustion chamber or. Fundamentals of gas turbine engines introduction the gas turbine is an internal combustion engine that uses air as the working fluid. The gas turbine was in operation for 2500 hours, year 2001, 50 hz, natural gas fuel. Model fuel shp kws btuhphrkjkwhr lbs kgs deg f deg c. The pgt25 is a simple cycle, two shaft gas turbine consisting of an lm2500 aeroderivative gas generator coupled with a rugged, industrial power turbine. The ideal cycle is made up of the following four reversible processes. Supercore comprising hp compress or, compressor rear frame, high pressure turbine and intermediate pressure turbine is a development of the lm6000. Ge gas turbine manuals manuals and user guides for ge gas turbine. Ge aeroderivative gas turbines design and operating features ge power systems ger3695e 2 ge industrial aeroderivative gas turbine performance characteristics mechanical. Recently, aeroderivative gas turbines such as the lm2500 or lm6000 have been used for 5 mtpa main refrigerant compressors, while in the past frame 7s were used. In larger gasifiers the compressor and turb ine are divided into two parts as low pressure and high pressure units. The lm2500 gas turbine is the most popular aeroderivative in the 20 to 25 mw class. The purpose of the training is to provide the knowledge required to ensure consistent, troublefree performance from the engine and its associated equipment. Apr 02, 2012 arne loft developer of the gas turbine explains how it works.
Watts load control compressor discharge pressure pcd fuel interstage pressure analog inputs, frequency. The main elements common to all gas turbine engines are. Frequency model fuel kwe btukwhrkjkwhr lbs kgs deg f deg c hz. The hot air that exits the turbine is used for thrust by forcing the air into the atmosphere via an exhaust nozzle. The lm2500 utilized a 16stage compressor section with inlet guide vanes and. The lm2500s cycling capability allows multiple daily starts and stops. The lm2500 s high efficiency helps reduce operating costs, plant emissions, and reliance on the local grid. The gas turbine was in operation for 2500 hours, year 2001, 50 hz, natural gas. Recently, aeroderivative gas turbines such as the lm2500 or lm6000 have been used for 5 mtpa main refrigerant compressors, while in the past. Extensive lm2500 and lm6000 gas turbine familiarization training. Apr 20, 2017 a gas turbine, also called a combustion turbine, is a type of internal combustion engine. Merchant marine exam first assistant engineer, unlimited illustrations.
Design and operation of ge aeroderivative gas turbines. Gas turbines can use many kinds of fuel to reliably generate electricity or run a compressor. These ships use the 4,500hp tyne gte for cruising and the rolls royce olympus, a 28,000hp engine, for highspeed situations. Equipped with an optional clutchless synchronous condenser capability, the lm2500 is able to regulate. Ge aeroderivative gas turbines design and operating features ge power systems ger3695e 2 ge industrial aeroderivative gas turbine performance characteristics mechanical drive gas turbine ratings output heat rate exhaust flow exhaust temp. The lm2500 delivers 33,600 shaft horsepower shp 25,060 kw with a thermal efficiency of 37 percent at iso conditions. Aeroderivative gas turbines baker hughes, a ge company. The fo gravity feed tank supplies how many minutes of emergency run time for gas turbine generator gtg, and gas turbine module gtm. Pdf industrial gas turbine online compressor washing for. Storage has been in a climate controlled warehouse. Ge showcased several other active engine programs for the lm2500 dealing with the dle gas manifolds, the highpressure turbine hpt stage 1 and 2 blades and bearing improvements. Illustration gt0004 o a 10 to 1 o b 12 to 1 c 16 to 1 o d 20 to 1 if choice c is selected set score to 1. Lm2500, tm2500, lm5000 lm6000, and lms100 gas turbine engines. These advanced repairs, available only from liburdi.
The compressor stator casing contains one stage of inlet guide vanes igv, six stages of variable stator vanes vsv and 10 stages of stationary stator vanes. What is the designed compressor pressure ratio of the gas turbine compressor rotor shown in the illustration. A gas turbine, also called a combustion turbine, is a type of continuous and internal combustion engine. Which of the following is true concerning the main engine lube oil system of the marine gas turbine. The lm2500 marine gas turbine can be coupled with an electric generator making an lm2500 marine gas turbine generator set the lm2500 gensets are ideal for military applications for which electric drive is the propulsion system of choice the japanese asuka research ship uses the lm2500 in an electric drive propulsion system. It has an upstream rotating compressor coupled to a downstream turbine, and a combustion chamber or area. Ge gas turbine performance characteristics ge power systems ger3567h 3 compressor inlet air 1 combustor fuel 2 4 exhaust 3 turbine generator figure 2. General electric lm2500 gas turbines for sale name. The lm2500 marine gas turbine can be coupled with an electric generator making an lm2500 marine gas turbine generator set the lm2500 gensets are ideal for military applications for which electric drive is.
The low pressure compressor is from the 6fa industrial gas turbine. Valentini gas turbine power plants 10 4 the joule cycle the joule or braytonjoule cycle, shown in figure 6, is the ideal cycle for gasturbine engines. The lm2500 consists of a sixteenstage compressor, a fully annular combustor, a twostage highpressure turbine and a highefficiency power turbine. One area of widespread use of aeroderivative gas turbine technology is in aviation where the power harnessed by the turbine is used to power a compressor. Tthe application control package for the ge lm2500 gas turbine generator drive system, includes. Online compressor washing for industrial gas turbine application is a promising method of mitigating the effects of compressor fouling degradation. The lm2500 is a derivative of the general electric cf6 aircraft engine. This course is intended for customer personnel concerned with daytoday onsite operations and maintenance of the several ge lm2500pgt25 and lm6000 aeroderivative gas turbine models. Aeroderivative lm2500 gas turbine 50 hz unsurpassed reliability, proven experience, and continuous innovation the lm2500 series gas turbines serve a variety of operating. The lm2500 marine gas turbine is a simplecycle, twoshaft. Combined with its fast response free spinning power turbine, it provides a strong solution to grids with penetration of renewable generation. What is here however, does give the reader the basic theory and pr actice of gas turbines in simple cycle and combined cycle mode, in power generation service.
Lms100 comprises a low pressure compressor, an intercooler, a supercore and a power turbine. A lightweight and compact modular configuration which. A gas turbine, also called a combustion turbine, is a type of internal combustion engine. What is here however, does give the reader the basic theory and pr actice of gas turbines in. The engine extracts chemical energy from fuel and converts it to mechanical energy using the gaseous energy of the working fluid air to drive the engine and propeller, which, in turn, propel the airplane. We have 1 ge gas turbine manual available for free pdf download. Understanding aeroderivative gas turbines turbine technics. Ge showcased several other active engine programs for the lm2500 dealing. Current production variants are the lm2500 2224 mw. Combined with its fast response free spinning power turbine, it provides a strong solution to grids with penetration of renewable.