scholarly journals Design Characteristics and Operating Experience of Nuovo Pignone PGT 16 Gas Turbine

1994 ◽  
Author(s):  
D. Sabella ◽  
S. Sferruzza
Keyword(s):  
Gas Turbine ◽  
High Efficiency ◽  
Operating Experience ◽  
Paper Mill ◽  
Combined Cycle ◽  
Heavy Duty ◽  
Gas Generator ◽  
Package Design ◽  
Power Turbine ◽  
Design Characteristics

The paper outlines the main features of the PGT 16 gas turbine with its auxiliaries and summarizes the experiences made in the field with the first seven units put in service starting in the first quarter of 1992. The PGT 16 gas turbine utilizes an aero-derivative gas generator, the LM 1600 manufactured by General Electric, coupled with a heavy-duty power turbine designed and manufactured by Nuovo Pignone. This power turbine is the same utilized for the 14000 HP heavy-duty gas turbine Nuovo Pignone PGT 10. The nominal shaft power is 18600 HP, with 36.4% efficiency. The design shaft speed of 7900 rpm makes this unit particularly suitable for mechanical drive applications, matching the typical speed range of centrifugal compressors in its power range. At the same time the high efficiency makes this unit attractive for both simple cycle and combined cycle power generation plants. The package design privileges maintenance requirements to minimize the downtime and to provide the highest possible degree of availability. The first 5 units in service have been installed along the Transcanada Pipeline and drive pipeline booster ‘compressors, PCL and BCL type: the other two units are in operation in a cogeneration facility in a paper-mill. At October ’93 the seven units have totalled 60,000 fired hours and the fleet leader 13,000 fired hours approximately.

Externally-Fired Combined Cycle Repowering of Existing Steam Plants

1993 ◽  
Author(s):  
Christian L. Vandervort ◽  
Mohammed R. Bary ◽  
Larry E. Stoddard ◽  
Steven T. Higgins
Keyword(s):  
Heat Exchanger ◽  
Steam Turbine ◽  
Gas Turbine ◽  
High Efficiency ◽  
Low Cost ◽  
Operating Experience ◽  
Capital Cost ◽  
Combined Cycle ◽  
Plant Design ◽  
Generating Capacity

The Externally-Fired Combined Cycle (EFCC) is an attractive emerging technology for powering high efficiency combined gas and steam turbine cycles with coal or other ash bearing fuels. The key near-term market for the EFCC is likely to be repowering of existing coal fueled power generation units. Repowering with an EFCC system offers utilities the ability to improve efficiency of existing plants by 25 to 60 percent, while doubling generating capacity. Repowering can be accomplished at a capital cost half that of a new facility of similar capacity. Furthermore, the EFCC concept does not require complex chemical processes, and is therefore very compatible with existing utility operating experience. In the EFCC, the heat input to the gas turbine is supplied indirectly through a ceramic heat exchanger. The heat exchanger, coupled with an atmospheric coal combustor and auxiliary components, replaces the conventional gas turbine combustor. Addition of a steam bottoming plant and exhaust cleanup system completes the combined cycle. A conceptual design has been developed for EFCC repowering of an existing reference plant which operates with a 48 MW steam turbine at a net plant efficiency of 25 percent. The repowered plant design uses a General Electric LM6000 gas turbine package in the EFCC power island. Topping the existing steam plant with the coal fueled EFCC improves efficiency to nearly 40 percent. The capital cost of this upgrade is 1,090/kW. When combined with the high efficiency, the low cost of coal, and low operation and maintenance costs, the resulting cost of electricity is competitive for base load generation.

Package Design for a 5500 BHP Aeroderivative Industrial Gas Turbine

1997 ◽  
Author(s):  
Douglas L. Wenzel ◽  
Jeffrey M. Elmore
Keyword(s):  
Gas Turbine ◽  
New Product Development ◽  
Gas Generator ◽  
Package Design ◽  
Power Turbine ◽  
Total Product ◽  
Design Cycle ◽  
Management Techniques ◽  
Gas Turbine Compressor ◽  
Industrial Gas Turbine

The Cooper-Bessemer Rotating Products group of Cooper Energy Services has designed an all-new industrial gas turbine / compressor package based upon the Allison Engine Company 501-KC5 gas generator with a two-stage industrial power turbine. The latest project management techniques were employed to reduce design cycle time while optimizing total product quality, manufacturability, and reliability. The resulting gas turbine / compressor package is a low-risk, technologically conservative approach, designed to avoid the problems often associated with new product development.

scholarly journals Development and Field Experience of a New 29000 HP Gas Turbine

1980 ◽  
Author(s):  
J. K. Hubbard ◽  
C. Austin
Keyword(s):  
Gas Turbine ◽  
Field Experience ◽  
Performance Test ◽  
High Efficiency ◽  
Test Facility ◽  
Gas Generator ◽  
Initial Field ◽  
Power Turbine ◽  
Exhaust Heat ◽  
Gas Turbine Exhaust

The paper describes the development and initial field experience with a new high efficiency 26,000/30,000 hp gas turbine. Exhaust heat from the power turbine was used to boost the installation thermal efficiency and provide icing protection for the inlet. Wherever possible, proven power turbine design concepts were combined with the advances of a “second generation” aircraft derivative gas generator to produce a reliable machine which was introduced with a minimum of development time. To assure field success, a special test facility was constructed and the unit subjected to a full load mechanical and performance test under simulated field condition.

Operating Experience in Refinery Application of the 13MW-Class Heavy Duty MF-111 Gas Turbine Engine

1990 ◽  
Author(s):  
J. Masada ◽  
I. Fukue
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Operating Experience ◽  
Combined Cycle ◽  
Outlet Temperature ◽  
Heavy Duty ◽  
Turbine Engine ◽  
Industrial Gas Turbines ◽  
Heavy Duty Gas Turbine ◽  
Temperature Levels

A new, 13MW class, heavy duty gas turbine, the “MF-111” was developed for use as a prime mover for cogeneration, combined cycle and repowering applications. The use of such equipment in refineries presents special challenges as regards the combustion of nonstandard fuels, tolerance of industrial environments, and accomodation of site-specific design requirements. Such circumstances add substantially to the tasks of proving and adjusting the design of a new gas turbine, meeting stringent emissions requirements and introducing to the world of industrial gas turbines the benefits of F-class (1250°C burner outlet temperature) levels of thermodynamic performance. This paper describes how these challenges have successfully been met during the three calendar years and ten machine-years of MF-111 refinery-application experience accumulated to-late.

Design and Development of a Power Turbine for the Spey Gas Generator

1978 ◽  
Author(s):  
N. G. Reed ◽  
J. M. Wilson
Keyword(s):  
Laboratory Test ◽  
High Efficiency ◽  
Operating Experience ◽  
First Year ◽  
Test Results ◽  
Gas Generator ◽  
Natural Gas Pipeline ◽  
Power Turbine ◽  
Laboratory Test Results ◽  
History Of

The engineering aspects of a new high efficiency 16,200-hp (12,080-MW) gas turbine using the Spey gas generator are presented. The history of the Spey and its evolution as an industrial gas generator are given. The design philosophy, aerodynamic features, and mechanical aspects of the new power turbine are discussed. Full-load laboratory test results of the new unit are reviewed. The first field installation, including the conversion of an existing natural gas pipeline unit from an Avon gas generator, is described. The first year of field operating experience is also summarized.

Industrial and Marine Development Policy Study and Practices for GT28 Gas Turbine

2017 ◽  
Author(s):  
Xueyou Wen ◽  
Dongming Xiao ◽  
Ningbo Zhao
Keyword(s):  
Gas Turbine ◽  
Development Policy ◽  
High Performance ◽  
Electrical Power ◽  
Operating Performance ◽  
Gas Generator ◽  
Policy Study ◽  
Marine Propulsion ◽  
Power Turbine ◽  
Design Characteristics

As a high performance gas turbine, GT28 combines with a two-spool gas generator and a free power turbine. Under the condition of ISO, its power and efficiency are 28MW and 37% for marine mechanical propulsion, respectively. Considering the design characteristics and operating performance of GT28 gas turbine can meet the requirements of many marine propulsion, mechanical driven and electrical power generation, and this paper introduces the potential application of GT28 gas turbine in different industrial and marine fields. On this basis, the related key technologies are discussed briefly. Finally, a derivative network is presented to describe the relationships of different application and development of GT28 gas turbine.

The Operating Experience of the Next Generation M501G/M701G Gas Turbine

2001 ◽  
Author(s):  
Y. Tsukuda ◽  
E. Akita ◽  
H. Arimura ◽  
Y. Tomita ◽  
M. Kuwabara ◽  
...  
Keyword(s):  
Power Plant ◽  
Gas Turbine ◽  
High Efficiency ◽  
Thermal Power ◽  
Operating Experience ◽  
Combined Cycle ◽  
Cycle Performance ◽  
Next Generation ◽  
Gas Temperature ◽  
Combined Cycle Power Plant

The combined cycle power plant is recognized as one of the best thermal power plant for its high efficiency and cleanliness. As the main component of the combined cycle power plant, the gas turbine is the key for improvement of the combined cycle power plant. The next generation G class gas turbine, with turbine inlet gas temperature in 1,500°C range has been developed by Mitsubishi Heavy Industries, Ltd. (MHI). Many advanced technologies; a high efficiency compressor, a steam cooled low NOx combustor, a high temperature and high efficiency turbine, etc., are employed to achieve high combined cycle performance. Actually, MHI has been accumulating the operating experiences of M501G (60Hz machine) a combined cycle verification plant in MHI Takasago, Japan, and achieving the high performance and reliability. Also, M701G (50Hz machine) has been accumulating the operating experience in Higashi Niigata Thermal Power Station of Tohoku Electric Power Co., Inc. in Japan. This paper describes the technical features of M501G/M701G, and up-to-date operating status of the combined cycle power plant in MHI Takasago, Japan.

scholarly journals Development of Reheat Combustor-Power Turbine Package

1991 ◽  
Author(s):  
M. Nakhamkin ◽  
E. C. Swensen ◽  
Arthur Cohn
Keyword(s):  
Gas Turbine ◽  
Power Output ◽  
Lower Cost ◽  
Combined Cycle ◽  
Inlet Temperature ◽  
Gas Generator ◽  
Turbine Inlet Temperature ◽  
Power Turbine ◽  
Gas Generators ◽  
Cycle Efficiency

This paper describes the first phase of an intended project to develop a reheat combustor-power turbine (RCPT) package which when added to an aircraft derivative gas generator would produce a commercially attractive reheat gas turbine for combined cycle and cogeneration applications. This first phase includes the identification of gas generators and establishes the relative merits of the RCPT package at various inlet temperatures based upon evaluated benefits. Our calculations show that in combined cycle application with the RCPT at an easily feasible power turbine inlet temperature of 1700°F, the steam flow increases by approximately 2.5 times, the combined cycle power by about 30%, and the combined cycle efficiency by about 5% compared to an unfired aeroderivative combined cycle. Compared to the duct fired combined cycle with the same power output, the efficiency increases by approximately 7.5%, leading to a lower cost of electricity of about 10 per cent for the economic assumptions of the study.

A New High Efficiency Gas Turbine for Mechanical Drives

1998 ◽  
Author(s):  
Jay M. Wilson ◽  
J. William Lindenfeld ◽  
Kenna D. Vendler ◽  
Mike T. Todman ◽  
Brian Whinray ◽  
...  
Keyword(s):  
Gas Turbine ◽  
Thermal Efficiency ◽  
Turbine Unit ◽  
High Efficiency ◽  
Development Program ◽  
Gas Generator ◽  
Gas Turbine Unit ◽  
Cost Of Ownership ◽  
Efficiency Measures ◽  
Power Turbine

This paper discusses the design and development program that is taking place to enable the availability in mid 1999 of a unit designated the Coberra 6761. This features the aircraft derivative Rolls-Royce RB211-24G upgrade gas generator and a new close coupled Cooper-Bessemer RT61 three stage power turbine. The paper describes the upgrade of the gas turbine from 28.4MW (38 000 SHP) to 31.8MW (42 600 SHP) ISO output power at over 40% thermal efficiency. Measures taken to maximize reliability and maintainability while reducing cost of ownership are described. The improvements in the gas generator compressors and turbines are detailed. The new design features of the power turbine are reviewed including a new support structure, modular service features and 3D orthogonal airfoil designs. The forthcoming validation program for the entire gas turbine unit is also discussed.

Commercialization and Fleet Experience of the 7/9HA Gas Turbine Combined Cycle

2019 ◽  
Author(s):  
Christian Vandervort ◽  
David Leach ◽  
David Walker ◽  
Jerry Sasser
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Power Plants ◽  
High Efficiency ◽  
Operating Experience ◽  
Combined Cycle ◽  
Lessons Learned ◽  
Operational Flexibility ◽  
Industrial Gas Turbine ◽  
Cycle Efficiency

Abstract The power generation industry is facing unprecedented challenges. High fuel costs and increased penetration of renewable power have resulted in greater demand for high efficiency and operational flexibility. Imperatives to reduce carbon footprint place an even higher premium on efficiency. Power producers are seeking highly efficient, reliable, and operationally flexible solutions that provide long-term profitability in a volatile environment. New generation must also be cost-effective to ensure affordability for both domestic and industrial consumers. Gas turbine combined cycle power plants meet these requirements by providing reliable, dispatchable generation with a low cost of electricity, reduced environmental impact, and broad operational flexibility. Start times for large, industrial gas turbine combined cycles are less than 30 minutes from turning gear to full load, with ramp rates from 60 to 88 MW/minute. GE introduced the 7/9HA industrial gas turbine product portfolio in 2014 in response to these demands. These air-cooled, H-class gas turbines (7/9HA) are engineered to achieve greater than 63% net combined cycle efficiency while delivering operational flexibility through deep, emission-compliant turndown and high ramp rates. The largest of these gas turbines, the 9HA.02, is designed to exceed 64% combined cycle efficiency (net, ISO) in a 1×1, single-shaft (SS) configuration. As of December 2018, a total of 32 7/9HA power plants have achieved COD (Commercial Operation Date) while accumulating over 220,000 hours of operation. These plants operate across a variety of demand profiles including base load and load following (intermediate) service. Fleet leaders for both the 7HA and 9HA have exceeded 12,000 hours of operation, with multiple units over 8,000 hours. This paper will address four topics relating to the HA platform: 1) gas turbine product technology, 2) gas turbine validation, 3) integrated power plant commissioning and operating experience, and 4) lessons learned and fleet reliability.

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