The air compressor and turbine are mounted at either end on a common shaft, with. Ets power group is the world leader in producing alternative 6fa parts. It delivers excellent reliability and fuel flexibility in both power generation. Ge energys heavy duty gas turbine product line is a global industry leader in enabling. Increased output and improved heat rate at low compressor inlet temperatures 4. The highly efficient geardriven 6fa gas turbine is a midsize version of the wellproven 7fa and. Ge gas turbine performance characteristics ge power systems ger3567h 3 compressor inlet air 1 combustor fuel 2 4 exhaust 3 turbine generator figure 2. The primary factors that affect the maintenance planning process are shown in figure 1. Gas turbine package gas turbine quantity gas turbine type sgt54000f. What is here however, does give the reader the basic theory and pr actice of gas turbines in simple cycle and combined cycle.
Heavyduty gas turbine operating and maintenance considerations repairs, and downtime. Gas turbine inle and compressor gas compressor turbine. The owners operating mode and practices will determine how each factor is weighted. Most modern passenger and military aircraft are powered by gas turbine engines, also called jet engines. The 6fa gas turbine is an aerodynamic scale of the 7fa. Our f class gas turbines, including the 7f 60 hz, the 9f 50 hz and the 6f either 50 or 60 hz, offer flexibility in cycle configuration, fuel selection and site adaptation.
This high reliability provides customers more days of operation per year while minimizing the overall life cycle cost of the gas. Gas turbines need highly compressed air which provides high concentration oxygen for combustion of the fuel in the combustion chamber. A gas turbine is an internal combustion engine that converts heat energy of the fuel into mechanical energy via three main elements a compressor, combustor and turbine. We are a fullservice provider offering component repairs, parts, rotor solutions, field services and. The gas turbines book in question is several hundred pages long and besides the basics, covers some of the more complex and lengthy work in recent gas turbine development. This investigation elucidates failure of a land based 6fa gas turbine compressor 2nd stage blade. A gas turbine essentially brings together air that it compresses in its compressor module, and fuel, that are then ignited. Gas turbine inle and compressor free download as powerpoint presentation.
Arne loft developer of the gas turbine explains how it works. Ge energys 6fa gas turbine meets the demand for midsize, highefficiency, and low life. There are several different types of gas turbine engines, but all turbine engines have. The system will cool compressor intake air through humidification, raising relative humidity and lowering the inlet temperature.
The main elements common to all gas turbine engines are. Failure investigation of frame 6fa gas turbine compressor blades. Equipment details gas turbine r, 1 gas turbine oem ge 2 type simple open cycle 1 axle gas turbine 3 model 6fa 4 year of operation start sep, 2011. Features coldend driveaxial flow exhaust 18 stage axial compressor 3 stage turbine pressure ratio. Ges most advanced high efficiency compressor technology, based on prior heavy duty gas turbine platforms, has been incorporated into the 7fa. A gas turbine, also called a combustion turbine, is a type of continuous and internal combustion engine. There are three basic categories of gas turbine engine compressor. Our ooem gas turbine product line, focuses on ge and abb alstom heavy industrial gas turbines. Combustion 6fa free download as powerpoint presentation.
Ge has used aerodynamic scaling in gas turbine development for more than 30 years. The 6fa turbine, rotor, and compressor casings the turbine section. We observed that the power decreases due to reduction in air mass flow rate the density of the air declines as. Major gas turbine manufacturers offer a wide variety of products to meet the entire range of. Gas turbine description the gas turbine cycle the gas turbine cycle is a constant flow cycle with a constant. The development during the past four decades of larger capacity gas turbine designs 50 mw to 380 mw with increased specific power has led to the. The next generation of gas turbine parts and services. During discussions with site officials, it was learnt that this particular compressor operated in. Evaporative cooler the evaporative cooling system provides a power output and efficiency increase for sites with high ambient temperatures and low relative humidity. Request pdf failure investigation of frame 6fa gas turbine compressor blades this investigation elucidates failure of a land based 6fa gas turbine.
Supercore comprising hp compress or, compressor rear frame, high pressure turbine and. Lms100 comprises a low pressure compressor, an intercooler, a supercore and a power turbine. The reliability of the 7fa gas turbine has been consistently 98% or better. Online compressor washing for industrial gas turbine application is a promising method of mitigating the effects of compressor fouling degradation. Failure investigation of frame 6fa gas turbine compressor. Ge 6fa gas turbine ge 6fa gas turbine 81 mw, simple cycle. A gas turbine a viable approach to predict the turbulence. Ge lm6000 gas turbine power plant brown energy group inc. Air entering the compressor at point 1 is com pressed to some higher pressure. Gas turbine frame size fuel s stem starter air filtration compressorturbine cleaning exhaust s stem fire rotection generators model fre uenc power factor power factor terminal volta e control s stems gas.
Ge energy 6fa heavy duty gas turbine advanced technology for. Applications include industrial parks, pulp and paper. Gas turbine driven compressors linkedin slideshare. Capable of operating on a wide range of fuels, the 6f.
International journal of mechanical engineering and technology, 42, 20, pp. Effect of ambient temperature on the performance of gas. 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 power systems figure 17 shows an industrial gas turbine on a. Gas turbines with multiple shafts, such as the heavy duty ms3002 and ms5002, and aeroderivative gas turbines, are modifications of the configurations shown in fig. The three main components of a gas turbine are illustrated in figure 1.
It is typical of all gas turbines in commercial operation today. As the name suggests, gas turbine engine compressors provide the compression part of the gas turbine engine thermodynamic cycle. Gas turbines, solar turbines and compressor parts by. Ges 6fa gas turbine is suited for both base load or cyclic duty, in a variety of installations including district heating, industrialoil a ndg sc oe r tiblz. Lm2500, tm2500, lm5000 lm6000, and lms100 gas turbine. Its advanced compressor design is aerodynamically scaled from our 7f. However, by applying turbine inlet air chilling tiac systems, power producers can avoid this output drop, improving their profitability and guaranteeing constant power production. Ge power systems gas turbine and combined cycle products. Gas turbine configuration figure 2 illustrates an ms7001fa gas turbine. A typical gas turbine mainly consists of three components namely compressor, combustion chamber and turbine. This technique is exemplified in the derivative design of the 6b and 9e gas turbines, which were scaled from the 7e. Gas turbines can use many kinds of fuel to reliably generate electricity or run a compressor. All f class gas turbines include an 18stage axial compressor and a threestage turbine, and they feature a coldend drive and axial exhaust, which is.786 1024 405 593 1530 332 453 678 964 744 1524 1057 655 1457 1520 77 1545 279 80 1246 554 359 1351 121 539 1462 1337 1206 294 340 561 904 1253 239 1022 616 1425