Major overhaul of ge 7fa gas turbine completed in just 18 days, one week faster than anticipated. Turbinepros hosted a weeklong combustion turbine seminar focused on ge frame 7fa gas turbine and generator maintenance for our field supervisors and key millwrights at our minnesota headquarters. When testing our ha gas turbines, a team of engineers are capturing performance and validate our technology and designs by looking at pressure, temperature, vibrations, and so. Dear all, i have read some of the interesting thread here about gas turbine temperature control. Gas generator is derived from the f404 turbofan aircraft engine.
Gas turbine performance enhancement by inlet air cooling gt output enhancement inlet fogging lms. Ge introduced the world to fclass gas turbine technology in 1989. Simplified, online performance monitoring of simple cycle. How ge tests the worlds largest gas turbines with ashley. Ge energy announces opflex wide wobbe, a new modelbased boundary control solution for gas turbines author. Ge 7fa 1st stage bucket industrial gas turbine digital xray analysis digital xray has opened a window into the most vulnerable areas of gas turbine components. Ge combinedcycle product line and performance oregon state. Emissions the 7fa gas turbine is the industry leader in reduction of no x and co emissions. Salient gas turbine performance parameters for 7fa gas. Ge gas turbine performance characteristics mechanical drive gas turbine ratings ms7000 pg 12 ea number model of shafts application series power approx output power in hundreds, thousands, or 10 thousands of horsepower r regen blank sc frame 1 or 2 3,5,7 6,9 mech drive pkgd gen m pg 7 1 figure 1. Gas turbine control system uses modelbased boundary control. Stress analysis of 7fa and 501f industrial gas turbine. Psm is the only aftermarket supplier of 7f gas turbine performance upgrade packages that deliver performance enhancements and extended lifetimes.
The gas turbines book in question is several hundred pages long and. Moog gas control valve 64 k upgrade program extends ge 7fa. Jul 01, 2008 the 7fa gas turbine with the new startup capability will be able to dispatch in 10 minutes after a start signal, says ge and will achieve stable combustion capable of nox and co emissions of 9 ppm within this period. Used by operator to monitor and change system values and by the diagnostic software to display fault messages software independent of hardware that is minor changes or. New, used and unused industrial gas turbine and diesel generators. The power turbine of the pgt16 gas turbine is identical to that of the pgt10 heavy duty, high efficiency gas turbine which has been in operation for more than half a million hours. The variable stator vane vsv is part of the high pressure compressor hpc. The quoting tool predicted better performance than achievable.
Exxonmobil and ge launch advanced cobranded turbine oil. Significant experience or ability to be versatile in the use of personal computers and numerous software applications. Wheelspace it is the space very small axial distance between rotating wheel that is turbine buckets and the stationary diaphragms which the turbine nozzles are inst. It can be used in several different modes in critical industries such as power generation, oil and gas, process plants. Wide wobbe automatically adjusts control parameters based on actual gas turbine performance and environmental conditions. Figure 18 shows a large ge frame 7f industrial gas turbine on a test bed in the oems. Thorough understanding of your organizations procedures will identify gaps that can expose you to unplanned events. The newest opflex offering can be used where natural gas fuel heating values fluctuate. Modelbased boundary control enables the optimum performance permitted across all turbine operating limits, such as nox, combustion dynamics and compressor stall. Key advantages of the 9fa gas turbine include its fuelflexible combustion system and higher output performance. Pgt25 aeroderivative gas turbines the pgt25 gas turbine consists of an lm2500 ge aeroderivative gas. General electric gas turbine models ms6001, ms7001 and ms9001. It uses advanced aircraft engine technology in its design. Ge and jomel together completed a major overhaul of a 7fa gas turbine at marafiq, the worlds largest integrated water and power facility, in the short span of 18 days.
Power users group 7f users group power users group. Ge energy announces opflex wide wobbe, a new modelbased. I am interested in gas turbine control and its efficiency at part load. The new thrust balance tube kit design eliminates the valve and 11th stage offengine tube. Hsintao hsin tao ccgt power plant taiwan is located at kuanhsi town, hsin chu, taiwan, roc. New, immediately available and never installed gas turbine generator package with. Even if all the gas turbines have the same power capability and heat rate at design condition, it is not obvious which gas turbine could have a better performance at a certain load demand because each gas turbine performance could vary over time due to different engine degradation. Article evaluation of gas turbine startup and shutdown emissions for new source permitting. Click the button to determine your investment savings with opflex turndown. Major overhaul of ge 7fa gas turbine completed in just 18 days. Ge 7fa 1st stage bucket industrial gas turbine digital xray analysis. The gas turbine operation is normally controlled by manipulating fuel flow and igv to meet load and control turbine inlet. Exxonmobil and ge said the new mobil shc 918 ee gas turbine oil is designed for use in multi shaft 7ha, 9ha, 6fa. Supporting software development team for design and analysis of computer tools for the gas turbine blade and vane development.
Ge collaborates with jomel to set record for outage cycle. In mode 3, the yellow plume was related to fuel to air ratio in a pm 1. Ge power generations opflex turndown advanced control solution you can reduce co2 emissions and fuel consumption to stay online during off peak periods. Gas turbine resume samples and examples of curated bullet points for your resume to help you get an interview. Venu helps businesses improve performance by identifying specific business needs, goals and objectives. Senanayake commissioner contact person abstract the overall performance of an open gas turbine can be judged with the knowledge of the main.
On the basis of a markvi system, the tuning methodology for operation of a dln2. Kurz attended the university of the federal armed forces in hamburg, germany, where he received the degree of a dipl. Education software downloads gpal single shaft gas turbine simulator version 2 by gas path analysis ltd and many more programs are available for instant and free download. Evaluation of gas turbine startup and shutdown emissions for. Torsten fransson examiner supervisors hina noor dr. It was also a time of astronomical gas turbine sales created from the enron high spot market power price issue. Dec 10, 2014 ge will help alabama power, a southern company, maintain the high performance, reliability and longterm value of the gas turbine assets through an extended contractual service agreement csa. The reliability of the 7fa gas turbine has been consistently 98% or better.
Turbine blades, vanes, fuel nozzle components, transitions, and shafts are regularly inspected for plugged cooling holes and indications in cooling passages. Although it does not produce the highest combinedcycle thermal efficiency, it is a sound economic ge combinedcycle product line and performance ge power systems ger3574g 4 gt16402a figure 3. Utility deregulation and the increase in electrical demand have led to a surge in new gas turbinebased power projects. Simple intuitive graphical user interface to create cycles and configure components. I also believe that ge has provided some operating data in some of their more recent publications for the various machines they build. Venu delivers complete blended learning solutions combining worldclass elearning courseware, and highly effective classroom training. Key advantages of the 9fa gas turbine include its fuelflexible combustion system and high output performance. Industryleading flexibility offers an 11minute startup to an 80 percent load, as well as turndown to 24 percent of turbine baseload within emissions compliance, and can accommodate a range of fuels.
Aug 17, 2018 figure 1 evolution of combustor technology. Model virtually any gas turbine cycle for design, steadystate or transient analysis. Move the sliders or use the input fields to enter your current power plant conditions. Variable inlet air vanes for lm6000 aeroderivative gas turbines help guide inlet airflow to greatly enhance engine performance. There are numerous modifications and upgrades uprates that can be made to improve the performance and output of your gas turbine. It can achieve net plant heat rates as low as 6,900 btukwh hhv in combined cycle mode. This infrastructure is of type gas power plant with a design capacity of 600 mwe.
Midwest plant orders first ge 7f gas turbine dry low nox 2. Calculating amount of diesel a 7fa burns automation. The 7fa gas turbine with the new startup capability will be able to dispatch in 10 minutes after a start signal, says ge and will achieve stable combustion capable of nox and co emissions of 9 ppm within this period. This year, dominion installed the agp solution on the first of four ge 7fa gas turbines at its fairless power plant near philadelphia to increase operational efficiency. Soon the oem realized they were exposed to millions of dollars of potential liquidated damages from coming in. Specializing in the manufacture and supply of turbine parts such as packing rings and spill strips, we can also offer a variety of other nonrotating steam and gas turbine parts, from fasteners to valves. Tuning performed by qualified combustion systems engineers and technicians can be augmented by integrating cdms into combustion turbine controls. The 9fa is the 50 hz gas turbine choice for large combined cycle applications. May 30, 2016 the table compares the performance characteristics of an unfired hrsg operating behind a ge 7fa gas turbine in a 1. Gas turbine combustor blowout prevention becomes hot.
The 172 mw nominal gas turbine can generate enough steam to produce approximately 90 mw in the steam turbine while supplemental firing duct firing will increase output by an additional 2530 mw. Full thermochemical gas model allows specification of the gas and fuel composition. Gas turbine combustor blowout prevention becomes hot topic. A spreadsheetbased performance monitoring software program has been developed which uses oem correction curves and thermodynamic analysis to compare actual simple cycle gas turbine performance to expected performance over the fullrange of operation including partload. Gas turbine monitoring combining our airsonic air mass flow measurement system with the normal dcs data available from the oem creates a very granular performance model of your gas turbine. Inlet evaporative cooler watertoair fin fan cooling. Jan 03, 2019 when testing our ha gas turbines, a team of engineers are capturing performance and validate our technology and designs by looking at pressure, temperature, vibrations, and so much more. This multiseries symposium is part of turbinepros commitment to ongoing training for our field services team. The site also installed ges opflex autotune dx and cold day performance controls software to help drive higher performance.
Since the 9fa is an aerodynamic scale of the highly successful 7fa gas turbine, it too has experienced industryleading reliability. Ge power systems gas turbine and combined cycle products. In 2009, ge energy introduced its upgraded frame 7fa gas turbine to meet growing performance requirements for power plant operators. Gas turbine component repair capabilities and services. Moog gas control valve 64 k upgrade program extends ge 7fa gas turbine operation by 33 percent, equaling 64 k hours 9 february 2017. The demands of todays power generation industry are many.
The results were obtained with hrsts performance modeling software, performance pro tm. Updated daily, the world wide inventory of available. Understanding what assets are owned and their current condition is the first building block to creating a maintenance plan. A gas turbine maintenance strategy that keeps your fleet and turbine competitive includes. Ge energy announces opflex wide wobbe, a new model. Exxonmobil and ge today announced the launch of mobil shc 918 ee gas turbine oil. A ge 7fa gas turbine halfshell first stage compressor wheel. Hitesh patel fellow engineer gas turbine mechanical. This is a simulation and results are an estimate based on. Aug 05, 2015 alternatively, there should be performance curves provided with the operations and service manuals for all fuels which should also list expected fuel flowrates, if for no other load that rated base load. The improvements are often coupled with advanced controls software to boost gas turbine performance and the installation of a new dln 2. Software and data analytics to deliver robust performance, more value. Ge powers the globe with approximately 900 installed 7f gas turbines producing 150gw of power in 12 countries. No recent performance reports were available for the analysis, therefore, steam turbine efficiency degradation was estimated at slightly below the new and.
The californiabased company, founded in 1997 by two mit professors, markets software that helps turbine designers understand the chemical reactions that occur when natural gas is burned in a. The facility has leadingedge equipment and repair techniques with proven expertise on multiple frame gas turbine hot gas path and combustion components. Development of a gas turbine performance analysis program and. The fclass features 99 percent reliability, and an 11minute fast start enables increased revenue and dispatchability during peak demand. The ge 7fa train is the premier combined cycle plant.
Such enhancements may involve a combination of changes with parts, control curve alterations, rotor modifications and the. Prebuilt and customizable elearning courses custom courseware. This high reliability provides customers more days of operation per year while minimizing the overall life cycle cost of the gas turbine. Free gas turbine simulation software download windows. Thats true for gas turbines, its true for steam turbines, and its true for the generators.
Utility deregulation and the increase in electrical demand have led to a surge in new gas turbine based power projects. Development of a gas turbine performance analysis program. The next generation of gas turbine parts and services. Gas turbine thermodynamic and performance analysis methods using available catalog data k. Here is how ges modern gas turbine model portfolio has evolved over the past. The 9fa heavy duty gas turbine is aerodynamically scaled from 7fa gas turbine. Ge collaborates with jomel to set record for outage cycle time at marafiq in saudi arabia. The first unit was commissioned in 2002 and the last in 2002. This approach ensures a high degree of software standardization, eases software testing, improves revision control and reduces commissioning time.
Complete compressor, combustor, and turbine flow path offering. Evaluation of gas turbine startup and shutdown emissions. An overview of start up means for gas turbine and realtime simulator hmi screens indicating the full startup of gas turbine till it reaches full speed no load fsnl, startup curve, relays that get activated at the corresponding speed and emergency stop system. Soon the oem realized they were exposed to millions of dollars of potential liquidated damages from coming in short of guarantee performance. Figures 2 and 3 illustrate current stateoftheart dln combustor technology produced by siemens and ge 2,3,4 sequencing of the various stages for the siemens ultralow no x uln and ge dln 2.
806 54 1055 1308 167 754 77 965 922 1245 21 85 473 663 1203 1327 1026 459 819 873 1118 1165 722 860 1112 847 719 55 1150 638 369