International Conference on Innovation in Energy Technologies · Transformation pattern Normal...
Transcript of International Conference on Innovation in Energy Technologies · Transformation pattern Normal...
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International Conference on Innovation in Energy Technologies
The Innovation of Complex Energy Technologies: The Case of the Advanced
Turbine System Program
ByMichael Curtis, Ph.D.
Policy and International Affairs
U.S. Department of Energy
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Advanced Turbine Systems
Siemens - Westinghouse501G
General ElectricH System
375 MW, 58% Efficiency 480 MW, 60% Efficiency
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ATS Overview
• Technology Performance Characteristics– 60% efficiency
– Less than 10 ppm NOx emissions
– 10% lower operating costs
• DOE ATS Program– $755 million cost-shared program
– Public-private partnership between industry-universities-government
– Phased Approach Using Cost-shared Agreements
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Objective of the Study
• Examines the innovation of a complex, energy technology
• Seeks to understand how the OEMs acquired knowledge and capabilities needed for innovation under conditions of uncertainty
• Illuminates our understanding of innovation of complex energy technologies within a public-private partnership
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It’s An Ideal Subject Because..
• Manufacturers Overcame Presumptive Technological Limits – Higher Temperatures Needed for Efficiency– But Higher Temps Can Mean High NOx Emissions– Problems with “Lean” Fuel-Air Mixtures – Exceed Material Tolerances
• Technological Change Occurred During Period of Uncertainty
• Public-private Partnership Used to Spur Innovation
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Combined-cycle Gas Turbine System
Steam Turbine
Generator Gas Turbine
Heat Recovery Steam Generator
steam
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Key Subsystem Innovations
• Closed-loop steam cooling: Fundamentally changed the way turbine blades and vanes are cooled.
• Single crystal fabrications: First time application for utility-scale turbines.
• Thermal barrier coatings: Transferred from aircraft engine technology using ceramic coatings.
• Lean pre-mix, dry low-NOx combustors: Improvements to existing technology to reduce NOxemissions under “lean” conditions.
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Closed-loop Steam Cooling
Source: Dept. of Energy, Office of Fossil Energy, National Energy Technology Laboratory. Advanced Turbine Systems: Advancing the Gas Turbine Power Industry, November 2000.
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Single Crystal Blades
• Internal serpentine cooling passages
• 2-3 times larger than aircraft blades
• 5-10 times heavier than aircraft blades
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Dry, Low-NOx Combustors
Source: Proceedings of the 2000 Advanced Turbine Systems Annual Program Review Meeting, December 5, 2000,General Electric Power Systems
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Framework For the Study
• Evolutionary theory of innovation– Selection environment– Trajectories– Path Dependency
• Organizational learning– Networks– Learning Processes
• Patterns of Innovation
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GEPS’ Turbine Innovation Trajectory
0%
10%
20%
30%
40%
50%
60%
70%
1973 1976 1982 1986 1991 2000
ATS Program period
Percent change
Combined-cycle efficiency
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SWPC’s Turbine Innovation Trajectory
0%
10%
20%
30%
40%
50%
60%
70%
1968 1971 1973 1975 1981 1993 2000 2004
ATS Program period
Percent change
Combined-cycle efficiency
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Vendors
DOEProgramMgmt.
UniversityResearch Program
General Electric Power
Systems
NationalLabs
GEAE
CastingCompanies
UtilityCompanies and Power Producers
GE CRD
GEPS’ Organizational Network
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SWPC’s Organizational Network
DOE Program Mgmt.
National Labs
VendorsSWPC
SWPC’sR&D Center
Strategic alliances
UniversityResearch
Casting Companies
Utilities
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Patterns of Innovation
a
b
c
d
e
f
Innovation legend:
Incremental
Major
Fundamental
Transformation pattern
Normal pattern
Transition pattern
Trajectory 1
Trajectory 2
Time
Performance
Netw
orksTe
chno
logy
Source: Rycroft, Robert W., and Don E. Kash. The Complexity Challenge -- TechnologicalInnovation for the 21st Century. London: Pinter, 1999, p.180.
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ATS Technology in a Transition Pattern
• Significant improvements in efficiency and NOx emissions
• Significant changes in design– Closed-loop steam cooling was fundamentally
different than any previous technology
– Single crystal components and thermal barrier coatings were a spin off from aircraft technology
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Drivers for Innovation
• Gulf War 1990 and Concern for Energy Security• Energy Policies of the 1990’s favor energy
efficiency to address energy and environmental concerns
• Energy Policy Act of 1992• Deregulation of U.S. Retail Electric Markets• Gas Turbine Markets in the 1990s• Public Preference for Natural Gas-fired Power
Plants over Coal or Nuclear• Dept. of Energy’s Advanced Turbine System
Program
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DOE Advanced Turbine System Program
• Begun in 1992, 8 yr. program• 2 classes of turbines:
– Industrial (< 20 MW) – Utility (>400 MW) Focus of
Study• Goals:
– 60% efficiency (LHV)– < 10 ppm NOx– 10% lower operating costs– Commercial systems in 2000
• University Research Program• Cost-shared Phased Approach
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SWPC’s Learning Processes for Closed-Loop Steam Cooling
Innovation KnowledgeSource
Learning Approach Knowledge Creation Process
Closed-loopSteam cooling
Internal -explicit
External –tacit
External –explicit
External –tacit
External –explicit
External –explicit
Learning byformalized inquiry
Learning byinteraction
Learning byInteraction
Learning byinteraction
Learning byinteraction
Learning fromadvances in scienceand technology
In-house studies for coolingmedium and materials.
Technological capabilities fromalliances.
Licensing agreements from alliancepartners.
Testing from government labs andtesting facilities.Building personal networks withuniversity researchers andgovernment laboratories.
Reports from NASA and Wright –Patterson AFB research and testing.
Research network through theAGTSR on rotating blade coolingand film cooling.
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Subsystem innovations
General Electric Power Systems Siemens Westinghouse Power Corp.
Internal External Internal External
Tacit Explicit Tacit Explicit Tacit Explicit Tacit Explicit
Closed-loop cooling √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
Single crystal castings
√ √ √ √ √ √ √ √ √
Combustors √ √ √ √ √ √ √ √ √
Thermal barrier coatings
√ √ √ √ √ √ √ √ √ √
Analysis of Learning Patterns
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Casting Company’s Learning Processes
Company Knowledge Source
Learning Approach Knowledge Creation Process
HowmetCorp.
Internal – tacit
Internal – explicit
External – tacit
External - explicit
Learning by doing
Learning from formalized inquiry
Learning by using
Learning from advances in science and technology
Trial-and-error experimentation with process improvements to casting development
Work with ORNL on single crystal castings
Network relationships with customers to identify long-term needs.
University research was useful in casting development.
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Patent and Citation Analysis
Table 4.7 ATS Program PatentsOrganization Total
GE - ATS 23SWPC – ATS * 28Howmet 0PCC Airfoils 0DOE 2Universities 2Total 55
• Used as a proxy for the flow of explicit knowledge• Measure of knowledge spillovers
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United Tech.
Societe Nationale
ABB
US Gov't
Individ.
WestinghouseRolls Royce
Hitachi
General Electric Self-citations
Kawasaki SteelMTUAllied SignalAvcoEG&GGMHughes SupplyKubushikiKvoerner PulpingMinn. MiningN.V. TaychemReeves Bros.Sulzer Bros.Sundstrand
Other
GE’s Patent Citations
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Siemens - Westinghouse’s Patent Citations
GE
United Technologies
Rolls RoyceABBIndividual
Allied Signal
HitachiInternational Harvestor
US DOEUS Navy
AvcoDeutsche Babcock
Werke
RexnordSociete Nationale
Southwest ResearchSwiss Aluminium
Kubshiki Kaisha Toshiba MTU
SundstrandUS Air Force
US GovtVevy Mfgrng
SWPC or Westinghouse Self citationsOthers
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Summary of GEPS Learning Processes
• Organizational networks consisted primarily of other GE business groups; GEAE, GE CRD
• Depth and breadth of capabilities reside within GE family of organizations
• Some external participants: Casting companies, professional networks
• Learning patterns are “path dependent”
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Summary of SWPC’sLearning Processes
• Organizational networks consisted internal and external organizations
• Depth and breadth of capabilities reside within as well as alliance partners, including Rolls Royce, Mitsubishi, and others
• Other external participants: Casting companies, national labs, universities
• Actively searched out new knowledge and capabilities
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Innovation and Organizational Networks
• Organizational networks as resources of tacit and explicit knowledge
• GEPS’ organizational network was one primarily made up of GE sister organizations
• SWPC’s organizational network included both internal and external participants
• Howmet and PCC Airfoils (casting companies) were Critical Suppliers to Both GEPS and SWPC
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• Organizational networks as resources of tacit and explicit knowledge
• Cost-shared public-private partnerships can act to spur organizational learning processes
• ATS Program– Filled a gap left by market failures– Created an industry-led program– Supported university research
Conclusions
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Implications for Public Policy
• Enhance Organizational Learning
• Shape the Selection Environment
• Stimulating Innovation Processes Using Cost-shared public-private partnerships
• Technology development that addresses both energy and environmental concerns
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Next Steps
• Evaluation of Benefits and Costs
• Use Framework developed by the National Academy of Science
• Benefits and costs will be evaluated for:– Economic
– Environmental
– Security