Innovation in Power Plants Dimitry Perel, E O IP Sales, SIL dimitry.perel@siemens October 2013

1. Innovation in Power PlantsDimitry Perel, E O IP Sales, SILdimitry.perel@siemens.comOctober 2013

2. Trends in Gas Power Plants

3. Trends in Gas Power Plants • High efficiency • High availability and reliability • Environmental impact - low emissions level • Fast start up time, high responsiveness • “Peaking” trend

4. Gas Power Plants – main cost components CAPEX • Permitting • Engineering • Main equipment cost • Supplementary systems cost (BOP) • Civil works cost OPEX • Fuel cost • Scheduled maintenance cost • Routine maintenance cost (water/lube oil etc…) • Outages

5. Dry Low Emission (DLE) Combustion System

6. Dry Low Emission (DLE) Combustion System Customer Requirements • Gas turbines with low NOX emissions • Maintaining low carbon monoxide (CO) • Proven and reliable systems • Highly efficient emission reduction • Low cost maintenance Our Solution • Robust and scalable DLE technology • Broad GT range • Pre-mix combustion philosophy Customer Benefits • Low NOX (mostly <15ppm NOX) • Stable emissions of CO • Maintaining stable engine operation • High reliability - minimizing maintenance

7. Uncomplicated and stable DLE system • Low emissions with gas and liquid fuel • Insensitive to ambient conditions • No moving parts • No need in regular tuning • Rapid load changes allowed

8. Dual-Fuel 4rd generation DLE Burner

9. The SGT-800 DLE combustion system capability

10. DLE - summary CAPEX • Permitting • Engineering • Main equipment cost • BOP cost • Civil works cost OPEX • Fuel cost • Scheduled maintenance cost • Routine maintenance cost (water/lube oil etc…) • Outages

11. SGT750 Industrial Power Turbine

12. SGT750 Market Requirements • Gas turbine rated 36MW • Suitable both for PG and MD • High efficiency • High availability and reliability • Low emissions level Our Solution • Siemens DLE combustion system • 36MW ISO output with 38.7% el. efficiency • Perfect compatibility both for MD, SC, CC and cogeneration • High reliability and serviceability • TBO 68,000 EOH Customer Benefits • Proven DLE technology - reliable combustion • Highest uptime in class • High power output and high efficiency • Smart service concept - 68,000 hours • between major overhauls

13. Compressor 3 Compressor Bleeds 2 variable guide vanes 13 stages Pressure ratio 24

14. SGT-750 Inlet and Compressor Visual access to compressor inlet during operation Electrical starter motor in front of compressor Low-weight inlet plenum on wheels for easy maintenance Borescope ports for each stage

15. 8 combustor cans Combustor system

16. Combustor design Convective combustor cooling Combustor Transition duct

17. 4th generation DLE burner • Combustion air path • Main 2 gas fuel • Main 1 gas fuel • Pilot gas fuel • RPL gas fuel • (Rich Pilot Lean)

18. Turbine • Brush seals – fuel-efficient • IR-camera access ports – online blade temperature • Curvic disk couplings - easy maintenance • Retaining stator rings - easy maintenance Two-stage air-cooled compressor turbine Two-stage counter-rotating uncooled power turbine

19. Turbine blade 1 cooling based on Siemens experience Compressor Turbine IR camera access to blades 1 & 2 Two turbine stages Conventional materials Bolted to compressor rotor Brush seals

20. Example Platform Thermal Barrier Coating (TBC) delamination SGT-750 Infra-red camera ports • A temperature-sensitive camera can measure the temperature pattern of each blade. IR camera port Blade

21. SGT-750 Industrial power turbine • 2-stage high-speed (6,100 rpm) Power Turbine • Compact and efficient • Suitable for both power generation and mechanical drive • Power turbine inlet guide vane can be set for different ambient conditions Two shrouded uncooled blades and honeycomb seals High efficiency diffuser Bolted rotor Two tilting pad (long life) bearings

22. Package layoutPower generation Air intake Exhaust Auxiliary room AC-generator Main Gear Maintenance crane Foot print Power generation 20,3 x 4,8 m GT room Maintenance door

23. SGT750 – first unit manufactured

24. SGT750 - summary CAPEX • Permitting • Engineering • Main equipment cost • BOP cost • Civil works cost OPEX • Fuel cost • Scheduled maintenance cost • Routine maintenance cost (water/lube oil etc…) • Outages

25. Steam Turbines for Solar Thermal Power Plants

26. Steam Turbines for Solar Thermal Power Plants Market Requirements • Highest efficiencies to minimize costs for the solar field • Fast startup time to expand power generation period • Designed for daily cycling • High reliability • Easy maintenance Bild 1 Our Solution • Siemens comprehensive steam turbine portfolio for solar thermal power plants from 1,5 to 250 MW • Multi-purpose proven design for any new upcoming project • in non-reheat and reheat solutions • with axial exhaust to save civil work costs Customer Benefits • Highly efficient, short payback of investments • Designed for daily start-up and shutdown without reducing life time • Rapid start-up times • Daily cycling with low minimum load, maximum running hours per day for plants without heat storage

27. Present thermosolar technologies… Yes: Siemens Steam Turbines Yes: Siemens Steam Turbines Parabolic Trough Central Tower Yes: Siemens Steam Turbines No Steam Turbine Stirling Dish Engine Linear Fresnel Type

28. The first project since the -80’ies...Nevada Solar 1, Boulder City. Siemens Reheat Steam Turbine SST-700RH PAC date: June 2007 Steam: 90 Bar, 371 °C Nominal output: 74 MWe Max output: 76 MWe

29. Boulder City solar field under erection

30. Boulder City, Site erection 2006 Condenser (locally supplied) LP-Turbine Generator Gearbox HP-Turbine Auxiliary systems

31. Delivery of LP solar steam turbine to Andasol, Spain

32. Andasol, Spain: The first commercial European CSP project Picture from Early spring 2008 Plant now in operation

33. Andasol, Spain: The first commercial European CSP project

34. Water Steam Cycle ~380 °C SST-700RH Heat Transfer Fluid Max 390 °C The Andasol Solar Cycle

35. An ISCCS - cycle (Integrated Solar Combined Cycle System) Typical design for project Hassi R’Mel in Algeria for Abener (and Kuraymat in Egypt for Iberdrola) SIEMENS Gas Turbines 2x SGT-800 SIEMENS Steam Turbine SST-900 Figure by FLAGSOL GmbH 2008

36. Siemens steam turbine solution for CSP plants SST-700 HP/LP for Thermosolar Power Plants

37. Siemens Steam Turbine SST-700 Vacuum pumps Gland steam condenser Generator Condenser Gearbox HP Turbine LP Turbine Hydraulic- & Lubrication oil units

38. HP Turbine Steam turbine for CSP plants • High speed turbine ~8960 rpm for High Efficiency • Thermoflexible barrel casing for quick start-up and cool-down • Easy assembly and maintenance thanks to barrel design • Initially a Marine turbine developed for ship propulsion

39. LP Turbine Steam turbine for CSP plants Direct Driven 3000 rpm Exhaust Axial connection to condenser Last Stage Blades Three fixed rows of standard blades

40. Siemens Steam Turbine SST-900 for Central Tower Central Tower non-reheat turbine: Single casing Steam Turbine type SST-900 with axial exhaust up to ~180 MWe

41. Advantages with Siemens Solar Turbines • High efficiency=> Higher production or smaller solar field. • Daily cycling design=> Turbine designed for daily cycling. • Fast start up time=> Longer time producing power. • Barrel casing HP=> Thermal stress, easy maintenance. • Low foundation=> Easer and cheaper foundation. • Axial condenser => Increased efficiency. • Premium materials=> Long life and high availability. • High speed HP turbine=> Higher efficiency. • Siemens experience=> Know-how and product development. • Siemens high quality=> Long life design. • Siemens global service=> Local services and back-up • Siemens proven design=> High reliability. • Siemens standard concept=> Pre-designed solar turbine • Siemens reputation=> Easier financing

42. Thank You