SIEMENS perspective on TURBO POWER Siemens Industrial Turbomachinery

Future requirements on Power Generation Parameters in Worldwide Power Generation Global Trends in Worldwide Power Generation Social Welfare § Growing world population § Deregulation / Liberalization § Economic growth § Globalization § Increase per capita energy consumption § Privatization § Development of energy prices § Emission trading • Increasing power demand => Majority of the worlds electricity is generated by Thermal Turbomachines! Environmental Protection • New requirements on power generation Reliability of Supply Where does TURBO POWER fit in? Copyright © Siemens AB 2010. All rights reserved. Page 2 April 2011 Corporate Communications

TURBO POWER focuses on key areas § Some Key areas § Turbine – steam § Part load operation, blade dynamics, higher steam temperature, flexibility for solar power plant operation, § Turbine – gas § Cooling air reduction, aerodynamics, blade dynamics, higher temperatures § Combustion § Fuel flexibility, part load emissions, flame stability § Compression § High stage load, operation flexibility, blade dynamics § Operation and maintenance § Early warning detection, operational flexibility, life cycle cost § Thermodynamic processes / New optimised cycles § Integrated power plants, CO 2 free cycles, media properties => Technology and Methods in the above areas Copyright © Siemens AB 2010. All rights reserved. Page 3 April 2011 Corporate Communications

Development of Thermal Turbomachinery is highly multidisciplinary § Aerodynamics and Heat transfer § Combustion, Fuels, Chemistry, Environment § Performance and thermodynamics § Mechanical integrity and life assessments § Material and coatings § Rotor- and blade dynamics § Controls, electrical and auxiliary systems § Operation, diagnostics and maintenance Copyright © Siemens AB 2010. All rights reserved. Page 4 April 2011 Corporate Communications

TURBO POWER projects in Turbomachinery 1. Improved efficiency and reliability: - COMP WP 1 -WP 5: - Forced response - Flutter prediction - Damping prediction - High cycle fatigue lifing Copyright © Siemens AB 2010. All rights reserved. Page 5 April 2011 Corporate Communications

TURBO POWER projects in Turbomachinery 2. Fuel flexibility: - COMB 1 -3: - Syngas combustion - Combustion instabilities - CFD modelling of syngas combustion Copyright © Siemens AB 2010. All rights reserved. Page 6 April 2011 Corporate Communications

TURBO POWER projects in Turbomachinery 3. Efficiency and reliability enhancements: - TURB 1 -4: - High pressure stage efficiency - Film cooling - Internal cooling intermediate duct - Tip and hub cooling Copyright © Siemens AB 2010. All rights reserved. Page 7 April 2011 Corporate Communications

TURBO POWER projects in Turbomachinery 4. Improved efficiency and reliability: - LIFE 1 -3: - Thermal barrier coating - High temperature fatigue life - Non-destructive testing methods Copyright © Siemens AB 2010. All rights reserved. Page 8 April 2011 Corporate Communications

TURBO POWER projects in Turbomachinery 5. Improved efficiency and reliability: Process 1 -5 Page 9 - Diagnostics and monitoring - Properties of H 2/CO 2 - Solar steam turbines - Turbomachinery in bio-fuel production - Oxyfuel conceptual cycles April 2011 Copyright © Siemens AB 2010. All rights reserved. Corporate Communications

Important effects of the programme § New and improved technology and methods § Competence buildup and skilled people § Improved contacts between academia and industry Leading to § More efficient and reliable thermal turbomachines and power plants § Higher competitiveness of industry and academia § Higher degree of innovation § Increased possibility for commercialisation of results More sustainable power generation! Copyright © Siemens AB 2010. All rights reserved. Page 10 April 2011 Corporate Communications

Our Vision for the future Solar energy Efficiency enhancements § Steam turbines I solar power plants § “Reduction” of CO 2 100% § More efficient components § “Reduction” of CO 2 10 – 20 % System solutions Biomass § Steamturbines for biomass fired combined heat and power plants § “Reduction” of CO 2 100% § MCV fueled gasturbines § Integration of GT, ST and processes § “Reduction” of CO 2 30 - 50 % Copyright © Siemens AB 2010. All rights reserved. Page 11 April 2011 Corporate Communications

Our Vision for the future Carbon Capture and Storage (CCS) • Sequestration of CO 2 in power plants • ”Reduction” of CO 2 90 – 100 % New applications • Combined cycles utilisation • Combinates powergeneration/process industry • New turbine cycles and processes • Gasturbines fired with biofuel (LCV) • Electrical production for the transport sector • Hydrogen society! 2020+ Copyright © Siemens AB 2010. All rights reserved. Page 12 April 2011 Corporate Communications

Summary § Thermal Turbomachines are essential for Power Generation in the world § Strive for higher efficiency § Cost effective processes § Emission reduction § More efficient use of fuels § Renewable fuels increasing, fuel flexibility § Combustion is central for fuel based power production § Solar power plants has a large potential in parts of the world § Higher degree of integrated power plants and fuel production Copyright © Siemens AB 2010. All rights reserved. Page 13 April 2011 Corporate Communications