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Oct. 21, 2004 Power Generation 1 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean.

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Presentation on theme: "Oct. 21, 2004 Power Generation 1 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean."— Presentation transcript:

1 Oct. 21, 2004 Power Generation 1 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology "Energy Efficiency in IPPC-installations" 21 and 22 October 2004 Vienna Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology O. Kreyenberg, H. Schütz, H. Friede Siemens PG

2 Oct. 21, 2004 Power Generation 2 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Agenda Reference Power Plant Product Overview - Steam Power Plant - Combined Cycle Power Plant Reference Power Plant Product Overview - Steam Power Plant - Combined Cycle Power Plant Reference Power Plant Design Philosophy References Design Targets Market Drivers

3 Oct. 21, 2004 Power Generation 3 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology The Market Conditions Have Changed Dramatically in the Power Industry Over the Last 10 Years Market Conditions Years Risk Guarantee* Price Overall Construction Time Efficiency * technical warranties (NOx, et. al.), delivery time

4 Oct. 21, 2004 Power Generation 4 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Life Cycle Cost (LCC) Analysis Investment costs Financing costs Service life Demolition costs Capital costs Costs Fuel contract conditions Efficiency Personnel costs Consumables/waste Spare parts Maintenance Operating costs Fuel Costs Parameters influenced by the supplier Reduction of specific investment costs Global sourcing Modular design Short delivery times High process and component efficiencies Optimized level of automation High availability Ease of maintenance Parameters Live Cycle Costs

5 Oct. 21, 2004 Power Generation 5 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Reference Power Plant Product Overview

6 Oct. 21, 2004 Power Generation 6 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Our Reference Power Plants are Focused on International Main Market Demand for IPPs Customized... of the shelf... Multi-Shaft50 Hz 200, 580, 800 MW 60 Hz 200, 540, 730 MW Components, Islands and Turnkey Varioplant MW MW MW Coal/Oil Gas/Oil Single-Shaft 50 Hz 100, 290, 400 MW Gas/Oil 60 Hz 100, 270, 365 MW

7 Oct. 21, 2004 Power Generation 7 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Multi-Shaft Combined Cycle Power Plant Econopac Arrangement ECONOPAC Gas turbine Gas turbine generator Air intake Exhaust gas system Fuel system Electrical package (SFC/SEE) GT - Auxiliaries Fire protection Options

8 Oct. 21, 2004 Power Generation 8 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Multi-Shaft Combined Cycle Power Plant Power Island Arrangement POWER ISLAND Econopac Steam turbine Steam turbine generator incl. SEE Heat recovery steam generator Major pumps Condenser Critical valves ST - Auxiliaries Cycle optimization Fuel gas pre-heater Options

9 Oct. 21, 2004 Power Generation 9 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Multi-Shaft Combined Cycle Power Plant Turnkey (Cooling Tower) TURNKEY Power Island Fuel supply systems Cooling systems Water treatment Raw water system Waste water system Tanks Cranes/ hoists Buildings/ structures Fire protection Plant piping/ valves Plant electrical Further options

10 Oct. 21, 2004 Power Generation 10 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Multi-Shaft Combined Cycle Power Plant Turnkey with House (Cooling Tower) TURNKEY Power Island Fuel supply systems Cooling systems Water treatment Raw water system Waste water system Tanks Cranes/ hoists Buildings/ structures Fire protection Plant piping/ valves Plant electrical Further options

11 Oct. 21, 2004 Power Generation 11 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Reference Power Plant Design Philosophy

12 Oct. 21, 2004 Power Generation 12 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Evolution of Combined Cycle Power Plant Efficiency Steam cycle Single pressureDual pressureTripple pressure with reheat Net efficiency (%) Year of commissioning 1983/ /881990/911992/931994/951996/971998/ °C 130°C 110 bar 550°C 1190°C 200°C 110 bar 540°C 1160°C 100 bar 520°C 1120°C 80 bar 520°C 1050°C 75 bar 510°C 1000°C 60 bar 485°C 960°C 50 bar 460°C Fuel gas firing ISO ambient conditions (15°C, 1013 mbar, 60% rel. humidity) Condenser back pressure 0.04 bar Source: Siemens Gas Turbines Turbine inlet temp. (ISO) Fuel preheating Life steam pressure Life steam temperature 2005/ °C 200°C 160 bar 580°C 1230°C 130°C 125 bar 565°C

13 Oct. 21, 2004 Power Generation 13 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Economical Evaluation Factors

14 Oct. 21, 2004 Power Generation 14 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Power Output, Efficiency, NOx-Emission and Cooling Air Demand versus Combustion Temperature Electricity Circulating water Generator Heat recovery steam generator Cooling air 20% Condenser Combustion chamber Fuel Air intake Ex- haust gas 102% Electricity Combustion air 80% 100% Gas turbine NO X Steam turbine T Cool.-air 2% T comb. 1570°C T Combustion TIT GUD NO X 1700°C Boundary conditions: The same technology for blade cooling, combustion chamber cooling and burner. Boundary conditions: The same technology for blade cooling, combustion chamber cooling and burner. m KL.

15 Oct. 21, 2004 Power Generation 15 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Efficiency Improvements due to Increasing the Number of Pressure Stages Temperature [°C] Exhaust gas 1-pressure process 2-pressure process 3-pressure process Transfered heat Temperature curves in a heat recovery steam generator net [%-points] bar/540 °C 80 bar/540 °C 5 bar/210 °C 125 bar/565 °C 29 bar/320 °C 5 bar/200 °C 125 bar/565 °C 28 bar/565 °C 4 bar/235 °C 1-pressure2-pressure 3-pressure without reheat 3-pressure with reheat Efficiency increase 54.1%

16 Oct. 21, 2004 Power Generation 16 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Quick Start up Increases Plant Utilisation Factor... Time Plant Load [MW] Plant start-up with improved equipment Plant start-up with improved equipment 40 min GT at full load/ Bypass System closed Typical plant start-up 90 min Start-up after 8h Shut-down

17 Oct. 21, 2004 Power Generation 17 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Limiting Values for Flue Gas Emissions

18 Oct. 21, 2004 Power Generation 18 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Relationship between turbine inlet temperature and NOx emissions A temperature increase by 70K doubles the NOx- emissions !

19 Oct. 21, 2004 Power Generation 19 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Design Targets

20 Oct. 21, 2004 Power Generation 20 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology One the way to the Technical leadership nowtomorrow Efficiency 58%*> 59% TIT** 1230°C1290°C NOx 25 ppm9 – 15 ppm Details on additional measures will be presented at a VDI Symposium in Leverkusen 23./24. November 2004 * depending on cooling conditions ** turbine inlet temperature

21 Oct. 21, 2004 Power Generation 21 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology References

22 Oct. 21, 2004 Power Generation 22 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Mainz-Wiesbaden, Germany Combined Cycle Power Plant V94.3A with Steam Extraction Mainz - Wiesbaden (Germany) Concept: Multi Shaft 1+1 V94.3A Output (nat. gas, site) : 1 x 400 MW Efficiency (nat. gas, site) : >58,4 %* COD: July 2001 Fuels: Natural Gas (Fuel oil Back up) Contract: EPC TK plus 10 y. S&M Mainz - Wiesbaden (Germany) Concept: Multi Shaft 1+1 V94.3A Output (nat. gas, site) : 1 x 400 MW Efficiency (nat. gas, site) : >58,4 %* COD: July 2001 Fuels: Natural Gas (Fuel oil Back up) Contract: EPC TK plus 10 y. S&M

23 Oct. 21, 2004 Power Generation 23 Authors: Schütz, Kreyenberg, Friede SPG Modern Combined Cycle Power Plants – Improvement of a high efficient and clean technology Pulau Seraya, Singapore: 2 CC 1S.V94.3A The Most Efficient Plant in SEA Pulau Seraya (Singapore) Concept: Single Shaft 1S.V94.3A Output (nat. gas, site) : 2x 367 MW Efficiency (nat. gas, site) : >57.2 % COD: November 2002 Fuels: Natural Gas (Fuel oil Back up) Contract: EPC TK plus 10 y. S&M Pulau Seraya (Singapore) Concept: Single Shaft 1S.V94.3A Output (nat. gas, site) : 2x 367 MW Efficiency (nat. gas, site) : >57.2 % COD: November 2002 Fuels: Natural Gas (Fuel oil Back up) Contract: EPC TK plus 10 y. S&M


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