Performance Improvement Program for Kawasaki Gas Turbine

2017 ◽  
Author(s):  
Tomoki Taniguchi ◽  
Ryoji Tamai ◽  
Yoshihiko Muto ◽  
Satoshi Takami ◽  
Ryozo Tanaka ◽  
...  
Keyword(s):  
Gas Turbine ◽  
Thermal Performance ◽  
Film Cooling ◽  
Gas Turbines ◽  
Large Scale ◽  
New Technologies ◽  
Design Procedure ◽  
Product Line ◽  
Combined Cycle ◽  
Improvement Program

Kawasaki Heavy Industries, Ltd (KHI) has started a comprehensive program to further improve performance and availability of existing Kawasaki gas turbines. In the program, one of the Kawasaki’s existing gas turbine was selected from the broad product line and various kinds of technology were investigated and adopted to further improve its thermal performance and availability. The new technologies involve novel film cooling of turbine nozzles, advanced and large-scale numerical simulations, new thermal barrier coating. The thermal performance target is combined cycle efficiency of 51.6% and the target ramp rate is 20% load per minute. The program started in 2015 and engine testing has just started. In this paper, details of the program are described, focusing on design procedure.

Ceramic Gas Turbine Development: Need for a 10-Year Plan

2008 ◽  
Author(s):  
Mark van Roode
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Large Scale ◽  
Energy Savings ◽  
High Strength ◽  
Combined Cycle ◽  
High Fracture Toughness ◽  
Development Programs ◽  
High Fracture ◽  
Electrical Efficiency

Ceramic gas turbine development that started in the 1950s has slowed considerably since most of the large-scale ceramic gas turbine development programs of the 1970s–1990s ended. While component durability still does not meet expectations, the prospect of significant energy savings and emissions reductions, potentially achievable with ceramic gas turbines, continues to justify development efforts. Four gas turbine applications have been identified that could be commercially attractive: a small recuperated gas turbine (microturbine) with ∼35% electrical efficiency, a recuperated gas turbine for transportation applications with ∼40% electrical efficiency with potential applications for efficient small engine cogeneration, a ∼40% efficient mid-size industrial gas turbine and a ∼63% (combined cycle) efficient utility turbine. Key technologies have been identified to ensure performance and component durability targets can be met over the expected life cycle for these applications. These technologies include: a Si3N4 or SiC with high fracture toughness, durable EBCs for Si3N4 and SiC, an effective EBC/TBC for SiC/SiC, a durable Oxide/Oxide CMC with thermally insulating coating, and the Next Generation CMCs with high strength that can be used as structural materials for turbine components for small engines and for rotating components in engines of various sizes. The programs will require integrated partnerships between government, national laboratories, universities and industry. The overall cost of the proposed development programs is estimated at U.S. $100M over ten-years, i.e. an annual average of U.S. $10M.

Ceramic Gas Turbine Development: Need for a 10Year Plan

2009 ◽  
Vol 132 (1) ◽  
Author(s):  
Mark van Roode
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Large Scale ◽  
Ceramic Matrix Composite ◽  
Combined Cycle ◽  
High Fracture Toughness ◽  
Oxide Ceramic ◽  
Development Programs ◽  
High Fracture ◽  
Electrical Efficiency

Ceramic gas turbine development that started in the 1950s has slowed considerably since most of the large-scale ceramic gas turbine development programs of the 1970s–1990s ended. While component durability still does not meet expectations, the prospect of significant energy savings and emission reductions, potentially achievable with ceramic gas turbines, continues to justify development efforts. Four gas turbine applications have been identified that could be commercially attractive: a small recuperated gas turbine (microturbine) with ∼35% electrical efficiency, a recuperated gas turbine for transportation applications with ∼40% electrical efficiency with potential applications for efficient small engine cogeneration, a ∼40% efficient midsize industrial gas turbine, and a ∼63% (combined cycle) efficient utility turbine. Key technologies have been identified to ensure performance and component durability targets can be met over the expected life cycle for these applications. These technologies include a Si3N4 or SiC with high fracture toughness, durable EBCs for Si3N4 and SiC, an effective EBC∕TBC for SiC∕SiC, a durable oxide∕oxide ceramic matrix composite (CMC) with thermally insulating coating, and the next generation CMCs with high strength that can be used as structural materials for turbine components for small engines and for rotating components in engines of various sizes. The programs will require integrated partnerships between government, national laboratories, universities, and industry. The overall cost of the proposed development programs is estimated at U.S. $100M over 10years, i.e., an annual average of U.S. $10M.

Planning for Extensive Validation of the Siemens H-Class Gas Turbine SGT5-8000H at the Power Plant Irsching

2009 ◽  
Author(s):  
S. Abens ◽  
F. Eulitz ◽  
I. Harzdorf ◽  
M. Jaenchen ◽  
W. Fischer ◽  
...  
Keyword(s):  
Power Plant ◽  
Data Acquisition ◽  
Gas Turbine ◽  
Gas Turbines ◽  
World Wide ◽  
Product Line ◽  
Combined Cycle ◽  
Engine Operation ◽  
Test Execution ◽  
Evolutionary Innovation

In response to the increasing world-wide need for reliable, lowest-cost and environmentally compatible generation of energy, Siemens Energy has developed a new generation of H-class gas turbines with a power of 530+ MW and an efficiency of more than 60% in combined-cycle. The SGT5-8000H has been developed based on an evolutionary innovation concept which can be characterized by a technology platform strategy and prior component pre-validation. To ensure that the new product line can be brought to market with extensive testing and operation experience under real power plant conditions, a comprehensive validation program was launched in December 2007 at the prototypical power plant in Irsching. The 18 month validation program consists of multiple measurement campaigns, covering the full operation range starting from the hot commissioning to a final endurance test in single-cycle configuration. To gain the required data for the validation, the SGT5-8000H prototype has been equipped with close to 3000 measuring sensors and an extensive data acquisition system. For the realization of the largest gas turbine validation program ever conducted by Siemens, innovation in various aspects of test execution and evaluation had to be realized. Dedicated teams are operating and monitoring the engine operation from on-site and from the world-wide engineering locations utilizing real-time data acquisition, monitoring and evaluation methods. This paper describes the infrastructure and settings of the validation program in terms of the testing scope, facilities, methods and tools.

The Advanced Cooling Technology for the 1500°C Class Gas Turbines: Steam-Cooled Vanes and Air-Cooled Blades

1997 ◽  
Vol 119 (3) ◽  
pp. 624-632 ◽  
Author(s):  
H. Nomoto ◽  
A. Koga ◽  
S. Ito ◽  
Y. Fukuyama ◽  
F. Otomo ◽  
...  
Keyword(s):  
Wind Tunnel ◽  
Electric Power ◽  
Gas Turbine ◽  
Film Cooling ◽  
Gas Turbines ◽  
Combined Cycle ◽  
Cooling Effectiveness ◽  
Impingement Cooling ◽  
Cycle Systems ◽  
Cooling Technology

It is very essential to raise the thermal efficiency of combined cycle plants from the viewpoint of energy saving and environmental protection. Tohoku Electric Power Co., Inc., and Toshiba Corporation in Japan have jointly studied the next generation of combined cycle systems using 1500°C class gas turbine. A promising cooling technology for the vanes using steam was developed. The blades are cooled by air, adopting the impingement cooling, film cooling, and so on. The cooling effectiveness was confirmed both for the vanes and the blades using a hot wind tunnel. This paper describes the design features of the vanes and the blades, and the results of the verification tests using the hot wind tunnel.

Disappearing Thermo-Economic Sanity in Gas Turbine Combined Cycle Ratings: A Critique

2019 ◽  
Author(s):  
S. Can Gülen
Keyword(s):  
Gas Turbine ◽  
Thermal Efficiency ◽  
Film Cooling ◽  
Pressure Ratio ◽  
Open Loop ◽  
Product Line ◽  
Combined Cycle ◽  
Inlet Temperature ◽  
Turbine Inlet ◽  
Steam Turbine Condenser

Abstract There is very little doubt that there has been a noticeable advance in heavy-duty industrial gas turbine technology for utility scale electric power generation in the last decade. In keeping with the first six decades of the technology (roughly 1950 through 2010), the main drivers in increasing thermal efficiency and megawatt ratings have been increasing turbine inlet temperature and airflow. In accordance with the basic thermodynamic principles governing the underlying Brayton cycle, compressor pressure ratio kept pace with them. It is hard to quibble about the 40+ percent in rated thermal efficiency in simple cycle. If projected turbine inlet temperatures and cycle pressure ratios can be sustained in the field, current state-of-the-art in turbine hot gas path metallurgy, coatings and advanced film cooling techniques indeed support published ratings. Unfortunately, published combined cycle ratings are an altogether different matter. It is one thing to set the product line rating performance at an aggressive level with well-understood albeit optimistic assumptions such as very low water-cooled steam turbine condenser pressure with open-loop cooling. It is yet another thing to blatantly disregard fundamental laws of thermodynamics with outlandish performance ratings, which are unlikely to materialize even in the next decade or two cost-effectively (unless an unforeseen transformative step-change in technology materializes). In this paper, using fundamental thermodynamic arguments and detailed heat and mass balance simulations, it will be shown that some, if not all, OEM ratings are losing touch with reality.

Development of Mitsubishi 1600°C Class J-Type Gas Turbine

2011 ◽  
Author(s):  
M. Araki ◽  
J. Masada ◽  
S. Hada ◽  
E. Ito ◽  
K. Tsukagoshi
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Large Scale ◽  
Combined Cycle ◽  
Component Technology ◽  
Inlet Temperature ◽  
Turbine Inlet Temperature ◽  
National Project ◽  
Class D ◽  
Operation Status

Mitsubishi Heavy Industries, Ltd. (MHI) developed a 1100°C class D-type gas turbine in the 1980s and constructed the world’s first successful large-scale combined cycle power plant. Since then, MHI has developed the F and G-type gas turbines with higher turbine inlet temperature and has delivered these units worldwide accumulating successful commercial operations. MHI is currently participating in a Japanese National Project to promote the development of component technology for the next generation 1700°C class gas turbine. MHI recently developed a 1600°C class J-type gas turbine utilizing some of the technologies developed in the National Project. This paper discusses the history and evolution of MHI large frame gas turbine for power generation and the 1600°C class J-type gas turbine update, including the engine specification, verification and trial operation status.

Repowering Application Considerations

1992 ◽  
Vol 114 (4) ◽  
pp. 643-652 ◽  
Author(s):  
J. A. Brander ◽  
D. L. Chase
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Product Line ◽  
Combined Cycle ◽  
Steam Turbines ◽  
Load Growth ◽  
Clean Air ◽  
Space Requirements ◽  
Steam Plant ◽  
Performance Estimates

As utilities plan for load growth in the 1990s, they are faced with the difficulty of choosing the most economic generation while subject to a number of challenging constraints. These constraints include environmental regulations, particularly the new Clean Air Act, risk aversion, fuel availability and costs, etc. One of the options open to many utilities with existing steam units is repowering, which involves the installation of gas turbine(s) and heat recovery steam generator(s) (HRSG) to convert the steam plant to combined-cycle operation. This paper takes an overall look at the application considerations involved in the use of this generating option, beginning with a summary of the size ranges of existing steam turbines that can be repowered using the GE gas turbine product line. Other topics covered include performance estimates for repowered cycles, current emissions capabilities of GE gas turbines, approximate space requirements and repowering economics.

scholarly journals The Advanced Cooling Technology for the 1500 °C Class Gas Turbines: The Steam Cooled Vanes and the Air Cooled Blades

1996 ◽  
Author(s):  
H. Nomoto ◽  
A. Koga ◽  
S. Ito ◽  
Y. Fukuyama ◽  
F. Otomo ◽  
...  
Keyword(s):  
Wind Tunnel ◽  
Electric Power ◽  
Gas Turbine ◽  
Film Cooling ◽  
Gas Turbines ◽  
Combined Cycle ◽  
Cooling Effectiveness ◽  
Impingement Cooling ◽  
Cycle System ◽  
Cooling Technology

It is very essential to raise the thermal efficiency of combined cycle plants from the viewpoint of energy saving and environmental protection. Tohoku Electric Power Co., Inc. and Toshiba Corporation in Japan have jointly studied the next generation of combined cycle system using 1500 °C class gas turbine. A promising cooling technology for the vanes using steam was developed. The blades are cooled by air, adopting the impingement cooling, the film cooling and so on. The cooling effectiveness was confirmed both for the vanes and the blades using hot wind tunnel. This paper describes the design features of the vanes and the blades, and the results of the verification tests using hot wind tunnel.

Repowering Application Considerations

1991 ◽  
Author(s):  
Jon A. Brander ◽  
David L. Chase
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Product Line ◽  
Combined Cycle ◽  
Steam Turbines ◽  
Load Growth ◽  
Clean Air ◽  
Space Requirements ◽  
Steam Plant ◽  
Performance Estimates

As utilities plan for load growth in the 1990’s, they are faced with the difficulty of choosing the most economic generation while subject to a number of challenging constraints. These constraints include environmental regulations, particularly the new Clean Air Act, risk aversion, fuel availability and costs, etc. One of the options open to many utilities with existing steam units is repowering, which involves the installation of gas turbine(s) and heat recovery steam generator(s) (HRSG) to convert the steam plant to combined-cycle operation. This paper takes an overall look at the application considerations involved in the use of this generating option, beginning with a summary of the size ranges of existing steam turbines that can be repowered using the GE gas turbine product line. Other topics covered include performance estimates for repowered cycles, current emissions capabilities of GE gas turbines, approximate space requirements and repowering economics.

Modern opportunities for preparation of ultra-pure water for feeding high-performance boiler plants

2020 ◽  
pp. 74-84
Author(s):  
A.A. Filimonova ◽  
◽  
N.D. Chichirova ◽  
A.A. Chichirov ◽  
A.A. Batalova ◽  
...  
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
High Performance ◽  
Waste Heat ◽  
Pure Water ◽  
Combined Cycle ◽  
Feed Water ◽  
Operational Characteristics ◽  
Treatment Equipment

The article provides an overview of modern high-performance combined-cycle plants and gas turbine plants with waste heat boilers. The forecast for the introduction of gas turbine equipment at TPPs in the world and in Russia is presented. The classification of gas turbines according to the degree of energy efficiency and operational characteristics is given. Waste heat boilers are characterized in terms of design and associated performance and efficiency. To achieve high operating parameters of gas turbine and boiler equipment, it is necessary to use, among other things, modern water treatment equipment. The article discusses modern effective technologies, the leading place among which is occupied by membrane, and especially baromembrane methods of preparing feed water-waste heat boilers. At the same time, the ion exchange technology remains one of the most demanded at TPPs in the Russian Federation.

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