Testing procedures that reduce measurement inaccuracies and maintain cost efficiency are outlined herein. Other factors influencing gas turbine performance are the fuel heating value the content of energy per mass. 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. Ptc 22 gas turbines is an internationally recognized standard used in power plants worldwide. 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 parallel development of highlyefficient. If the gas turbine is not operated at this load level, the flow triangles in the compressor and turbine expander stages will differ from design assumptions, and more energy will be dissipated. Furthermore, it contains provisions for the measurement data. Background of study a gas turbine, also called a combustion turbine, is a rotary engine that extracts. Bureau veritas validated the ge measurements transmitted by ge generated a final test report including the test data and results certification, and including post test uncertainties analysis d650 steam turbine sss clutch w86 generator 9ha. For a gas turbine, the vapor condition depends on the type of fuel used and the atmospheric conditions. Stag combinedcycle thermal energy and power system features high thermal efficiency low installed cost fuel flexibility wide range of gas and liquid fuels. If it were 100% rigorously followed, this process would guarantee a perfect matching of the performance. How to conduct a plant performance test power magazine.
Turbine performance test gas turbine performance test sint. Reference performance can be the original heat balance or a previous performance test. A practical guide for gas turbine performance field and test data. Practical techniques for modeling gas turbine engine.
The performance characteristics of a gas turbine engine or gas turbine generator. When we compare the performance of a gas turbine to that of a steam turbine, it becomes immediately evident that steam turbine performance is much easier to calculate, since both the vapor and the vapor conditions are fixed. Pdf performance test of 5mw class gasturbine combustor was carried out at combustor test facility of karikorea aerospace research institute. Including extensive figures, charts, tables and formulae, this book will interest everyone concerned with gas turbine technology, whether they are designers, marketing staff or users. This process is actualized using the kologreek sk30 gas turbine power plant with design output power of 20mw and thermal efficiency of 40%. Compressor performance an overview sciencedirect topics. Pgt25 aeroderivative gas turbines the pgt25 gas turbine consists of an lm2500 ge aeroderivative gas. Performance is the end product that a gas turbine company sells. Pressure gauge, transmitter, contract bearings, couplings, bearing lube oil.
Compressor performance parameters follow basic dimensional analysis and similarity rules which allow to design and test stages at some reference conditions and then apply them at actual dimensional conditions. Frame 5 simplecycle singleshaft unit as shown in figure 321. Jul 16, 20 a gas turbine is a dynamic internal combustion engine. This international standard does not apply to emission testing, noise testing, vibration testing, performance of specific components of the gas turbine, performance of power augmentation devices and auxiliary systems, such as air inlet cooling devices, fuel gas compressors, etc. After the test is completed, a detailed technical report will be issued.
Special attention is given to the preparation and organization of the test. Hence, the overall performance of the gas turbine highly deviates from the ideal cycle. A theoretical and experimental program was undertaken to investigate scaling and combustion in gaseous ammoniafired gas turbine combustors. An alternate method of determining firing tem perature is defined in iso document 2314, gas. Gas generator is derived from the f404 turbofan aircraft engine. Gas turbine is heat engine which uses fuel energy to produce mechanical output power, either as torque through a rotating shaft industrial gas turbines or as jet power in the form of velocity through an exhaust nozzle aircraft jet engines. Rrt sigma engineering evaluation of gas turbine performance improvement alternatives for indonesia power report no. Fuel enters into combustion with the air and raises it to a high temperature. For a gas turbine, the vapor condition depends on the type of fuel used. Developed in france, harriet was built with one idea in mind. For each project, we have an experienced team of designers and engineers responsible for the overall design, engineering and drafting of the major hardware assemblies. Typical performance correction curves are shown together with the method of calculating mass flow rate and turbine inlet temperature from test. A gas turbine, also called a combustion turbine, is a type of continuous and internal combustion engine.
Gas turbine power plant performance evaluation under key failures 1875 journal of engineering science and technology july 2017, vol. The majority of aircraft gas turbine engines are rated at standard day conditions of 59 f and 29. Performance and the economics of gas turbine engines introduction. The performance test for the grec u3 epc was conducted from 23. Mar 05, 2017 lecture series on steam and gas power systems by prof.
Compressor pressure ratio of the compressor r pc 11. To more completely support testing of gas turbines in a. Worked example for calculating the performance of a gas turbine. The performance requirement is mainly determined by the amount of shaft horsepower s. For each gas turbine at the pesanggaran station, table 2 shows the most recent plant performance test report date and time, test results and ambient temperature. Ge power systems figure 17 shows an industrial gas turbine on a trestle in preparation for shipping. The main elements common to all gas turbine engines are. Pdf on jan 1, 2005, rainer kurz and others published gas turbine performance find, read and cite all the research you need on. The majority of users of gas turbine compressor sets in the oil and gas industry have, at one time or another, carried out performance tests to confirm either that the. Pdf gas turbine test parameters corrections including operation. In todays competitive environment, an unplanned outage or poor performance in a gas turbine can signficantly impair operations. Including extensive figures, charts, tables and formulae, this book will interest everyone concerned with gas turbine technology, whether they are designers, marketing staff.
The results of the test are used to provide recommendations on how to improve and maintain a high level of turbine performance. A gas turbine is a dynamic internal combustion engine. Gas turbines a performance test code for engineers worldwide asme ptc 22 2014 the new edition of ptc 22 is intended to be a more thorough and accurate approach to the thermal performance testing of gas turbines based on industry feedback and harmonization with other codes and standards. Assumptions and state descriptions the following assumptions are used in this work. The instruments you list are part of the performance monitoring package provided sometimes optionally by ge andor packagers of its heavy duty gas turbine. The three most important factors affecting the thermal efficiency are turbine inlet temperature, compression ratio, and the. Stag combinedcycle power generation system features table 2. 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 purpose of this paper is to provide an example of gas turbine model generation and system performance analysis for educational uses, such as curriculum creation or student reference. Lecture series on steam and gas power systems by prof. Design and test operation performance of 1,500 c class gas. The relative humidity reference condition may or may not have a significant bearing on plant performance. Theoretical analysis of performance and scale test data previously performed strongly indicates that the final size chosen for an operating gas turbine is performance limited almost equally by chemical reaction kinetics residence time and by turbulent. Introduction a steam turbine is a prime mover which converts heat. Kurz attended the university of the federal armed forces in hamburg, germany, where he received the degree of a dipl. The thrust or shaft power delivered for a given fuel. Theoretical analysis of performance and scale test data previously performed strongly indicates that the final size chosen for an operating gas turbine is performancelimited almost equally by chemical reaction kinetics residence time. Those thermodynamic properties lie along with the processes from points 1.
Details on instrumentation will not be provided by this paper, but can be found elsewhere kurz, et al. We routinely use a test code such as the american society of mechanical engineers performance test code 18 for hydraulic turbines and pump turbines asme ptc18. Ge combinedcycle product line and performance ge power systems ger3574g 1 table 1. Some operations contracts require operators to periodically demonstrate the turbines are being operated as efficiently as possible, so a performance test is the way this is proven. Linear sweep voltammetry comparison of new oil green line to inservice oil blue line 0. The data reduction is explained based on the basic relationships of pressure, temperature, flow, and head, as well as the operational characteristics of 53 site performance test. Furthermore, it is the thread which sews all other gas turbine technologies together.
Performance testing is used to quantify the reduction in performance as compared to reference performance. The exhaust energy from this unit was recovered in a heat recovery boiler, which with supplementary gas firing. Steam cooling technology was adopted for the combustor of the m701g2 gas turbine. Laboratory tests for steam and gas turbine oils figure 1. This paper also addresses the issues of necessary instrumentation and the. Pdf performance test of 5mw gas turbine engine combustor. Overview of gas turbine performance testing cleanair engineering. Its main function is to drive the first compressor. Turbine performance test gas turbine performance test. Ges gas turbine performance evaluation is a service that helps you enhance gas turbine performance and minimize unscheduled s hutdowns and repairs. Laboratory tests for steam and gas turbine oils mobil. A test facility to measure performance of a micro gas turbine was set up and performance parameters such as turbine exit temperature, exhaust gas temperature. This code, originally published in 1923, was last revised in 2002 by experienced test engineers who represent turbine and equipment manufacturers, owners, and consultants.
The performance characteristics of a gas turbine engine or gas turbine generator package gtg depends upon the type and model of engine being examined, the location at which it will be installed, the ambient conditions under which it will. Transferring the test gas generator speeds to the graph of gas generator speed versus power turbine ex haust temperature, figure 8, shows the exhaust gas tem. The inherent sensitivity of the gas turbines to the changing of operational and ambient conditions, has gained efforts to enhance the efficiency of gas turbine systems by reaching the optimum. Thermal efficiency is a prime factor in gas turbine performance. Performance test and component characteristics evaluation of a. Capable of burning anything from shale to liquid natural gas, harriets interior, which was modeled in part after supersonic jet engines, can withstand temperatures of 1,600 c 2,900 f and runs at an. Verified performance test calculations and accuracies after the test. It is the ratio of net work produced by the engine to the chemical energy supplied in the form of fuel. Realistic values from experience were assumed for the compressor polytropic efficiency, mechanical efficiency, electrical efficiency and pressure drops of the gas turbine. Practical techniques for modeling gas turbine engine performance. A significant addition to the literature on gas turbine technology, the second edition of gas turbine performance is a lengthy text covering product advances and technological developments.
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