Siemens Reference Power Plant Design Applied for Ultra ... PRSTN_Thermal April2012... · Turbine Hard Coal Fired Steam Power Plant • Coal: LHV 25 MJ/kg • 800 MWe gross, 50 Hz

Protection notice / Copyright notice© Siemens AG 2011. All rights reserved.

Power-Gen India 19th to 21st April 2012

Dr. Alexander Tremmel

Siemens Energy, Fossil Power Generation

Siemens Reference Power Plant Design Applied for Ultra-super-critical Steam Power Plant Luenen in Germany

© Siemens AG 2012. All rights reserved

April, 18th to 21st 2012Page 2 Tremmel, Nickl, LoeperPowerGen India, New Delhi

OverviewLuenen Plant based on Reference Power Plant

► Overview on Project Luenen

► Reference Power Plant concept

► Ultra Supercritical steam parameters USC - highest efficiencies for today‘s Steam Power Plants

► Highly efficient, proven and reliable product portfolio

► Competence and references

► Conclusions



USC Steam Power Plant LuenenLuenen based on a Reference Power Plant Design

► Luenen, Germany design data

• 1 x 813 MW

• 280 bar, 600 °C / 610 °C

• Financial closure, NTP August 2008

► Milestones, scope, status

• Operation – until mid of 2013

• Full turnkey scope in consortium

• Webcam view, January 2012



Luenen Plant DesignDesign Data and key figures

Luenen: state-of-the-art, highly efficient, proven technology

• Gross power output: 1×813 MW; 50 Hz

• 280 bar/ 600°C/ 610°C (@ Boiler outlet)

• Final feedwater temperature: 308 °C

• Condenser pressure: 30 / 45 mbar

• Net efficiency: ~45,6 % (LHV basis)

• Steam turbine: SST5-6000 with 4x12.5m²

• Generator: SGen5-3000W

• Feedwater preheaters:

3 HP, 1x external desuperheater5 LP, 1 feedwater tank

► Technical Data

► Major Components

• Inland location, cooling tower (CT)

• Single unit

• Ambient cond.: +9 °C, 80 % rel. humidity

• Bituminous coal, flue das discharge via CT

► Boundary Conditions



• Gross power output: 800+ MW (R.O.); 50 Hz

• Up to 300 bar/ 600°C/ 620°C (@ turbine inlet)

• Net efficiency* (LHV): 45.5-46.0 %

• Parallel or serial condenser configuration

* depends on the coal, the steam generator design, and the cooling conditions

► Technical Data

► Major Components

• Turbine Island, single or multiple unit

• Sea shore and inland location

• Bituminous coal

► Boundary Conditions

• Steam turbine: SST5-6000 with 4- or 6- flow LP configuration

• Generator: SGen5-3000W, water-cooled

• 9-stage feedwater preheating

• SPPA-T3000 power plant automation system

Reference Power PlantPlatform for 800 to 1000 MW USC SPP

Benefits of Reference Power Plants

► Pre-engineered

► High quality and reliability of information

available, e.g. quantities

► Easy adaptable to market needs

► Early availability of drawings for

permitting

► Interface data available for partners

and customer



HP Heaters A6 and A7

Steam Turbine2 ×××× 50 % Condensate

Pumps3 ×××× 50 %

Condensate Pumps2 ×××× 50 % Condensate

Polishing Plant

LP HeatersA1 … A5

2 ×××× 50 % BFP (Motor)

HP Heaters A6 … A8Double Train Design HP Heaters A6 … A8

BENSON® Type Boiler

HP Heaters A6 … A8

...

2 ×××× 50 % BFP (Turbine)

Siemens Reference Power Plant ConceptsModular design - flexible to adapt to market needs

Modular pre-engineered design to match customer requirements.



Siemens Reference Power Plant SolutionsContribution to environmental compliance

46 % net efficiency

STPP Luenen813 MW USC

- 18 %

2006

STPP Bergkamen747 MW

37.5 % net efficiency

Basis

technology status1977

STPP Isogo 1600 MW SC

42 % net efficiency

- 11 %

1997

750 MW USCwith integrated

CO2 capture plant

>38 % net efficiencyIncl. CO2 capture

- 90 %

2016

Reduction of CO2 emissions

© STEAG



Development of Steam Power Plant Efficiency USC parameter – the next step

ηn

et,L

HV

39%

41%

43%

45%

47%

49%

51%

53%

55%

41.9%

+0.2

+0.8

+1.7

+1.7

+0.6

+0.1

+0.70+0.3

BFP with

VOITH VORECON

+Mill Air Heat Recovery System+External Desuperheater

X20 P91 P92

167bar538°C538°C

255bar565°C565°C

270bar600°C610°C

285bar600°C620°C +0.1

9 Feed-

water Pre-heaters

BFP-

Electrically

Frequency

Controlled

Flue Gas

Heat

Recovery

System

Double

Reheat

Measures at Steam

Turbine

Hard Coal Fired Steam Power Plant

• Coal: LHV 25 MJ/kg

• 800 MWe gross, 50 Hz

• 40 mbar condenser pressure (cooling tower)

• BFP: electrically driven with hydraulic coupling

• 8 or 9 stages of feedwater heating

• DeNOx and FGD

Hard Coal Fired Steam Power Plant

• Coal: LHV 25 MJ/kg

• 800 MWe gross, 50 Hz

• 40 mbar condenser pressure (cooling tower)

• BFP: electrically driven with hydraulic coupling

• 8 or 9 stages of feedwater heating

• DeNOx and FGD

Base design SSP5-6000 (1x800 MW)

Application range of materials

167bar565°C565°C



SST5-6000 steam turbineFeatures and benefits

Bypass cooling for minimum

wall thickness

Barrel type: minimum radial clearances fast

thermal loading capability

Advanced sealing technologies

Symmetrical casing design for minimum radial

clearances

High-performance LP blading for

different sizes of exhaust area

high performance

3DVTM blading

Push rod arrangement for

reduced axial clearances

Power range: 600..1200 MW



Scaling of LP BladingFlexibility to adapt to cold end conditions

Cooling (Water) Temperature / Condenser Pressure

Steel blades� max. blade height 50Hz: ~1200mm� Curved axial blade root� Freestanding blade

Titanium blade� Straight axial blade root

� Integrated shroud� Snubber

5.0 m2 16 m26.3 m2 8.0 m2 12.5 m210.0 m2Exhaust area (50Hz):

3.5 m2 11.1 m24.4 m2 5.6 m2 8.7 m26.9 m2Exhaust area (60Hz):



Power Output: 1040 MWelMain Steam: 270 bar/600°C Reheat Steam: 600°CCondenser: 0,053/0.042 barWith Stage Bypass (Overload)Fuel type: hard coalComm. Operation: 2008

Max. proven power output: 1112 MW !

Asian Power Plant of the

Year

References for USC TechnologyWai Gao Qiao 3, China



Boiler Technology and DesignCompetence to team up with boiler partner

�Siemens holds patent for BENSON® Boilers

since 1924

� In-house consulting

�Technical service for licensees

�More than 1000 units from Siemens licensees

installed

�Selection of boiler partner and technology for

each project/application



24

,000

48

,000

72

,000

96

,000

48

,000

72

,000

96

,000

2 w

ee

ks

4 w

ee

ks

2 w

ee

ks

8 w

ee

ks

12963

Duration

Turbine

Generator

Boiler

Minor inspection

Major overhaul

Annual inspection

Boiler inspection

UnitYears

Operating hours

Maintenance ScheduleMajor overhaul of steam turbine generator after 12 years



Conclusions

� Key to success of pre-defined RPP concept � cost efficient design

providing a reliable base for planning

� The ultra-supercritical technology and the Siemens Reference Power

Plant SPP5-6000 fit the needs of the Indian market

� High overall plant efficiencies, low emissions, proven components

� Operational flexibility, grid support, ease of maintenance, reliable

power generation, minimising use of energy resources

� The RPP concept allows for implementation of Indian engineering

competencies, design requirements and suppliers

� Siemens has the technical and commercial capability to execute complex

and large projects

� Siemens has in-house capabilities to support financing schemes

� Siemens provides equity participation in selected projects

Thank you very much for your kind attention!



Disclaimer

This document contains forward-looking statements and information – that is, statements related to future, not past, events. These statements may be identified either orally or in writing by words as “expects”, “anticipates”, “intends”, “plans”, “believes”, “seeks”, “estimates”, “will” or words of similar meaning. Such statements are based on our current expectations and certain assumptions, and are, therefore, subject to certain risks and uncertainties. A variety of factors, many of which are beyond Siemens’ control, affect its operations, performance, business strategy and results and could cause the actual results, performance or achievements of Siemens worldwide to be materially different from any future results, performance or achievements that may be expressed or implied by such forward-looking statements. For us, particular uncertainties arise, among others, from changes in general economic and business conditions, changes in currency exchange rates and interest rates, introduction of competing products or technologies by other companies, lack of acceptance of new products or services by customers targeted by Siemens worldwide, changes in business strategy and various other factors. More detailed information about certain of these factors is contained in Siemens’ filings with the SEC, which are available on the Siemens website, www.siemens.com and on the SEC’s website, www.sec.gov. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those described in the relevant forward-looking statement as anticipated, believed, estimated, expected, intended, planned or projected. Siemens does not intend or assume any obligation to update or revise these forward-looking statements in light of developments which differ from those anticipated.

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Documents

Siemens Reference Power Plant Design Applied for Ultra ... PRSTN_Thermal April2012... · Turbine Hard Coal Fired Steam Power Plant • Coal: LHV 25 MJ/kg • 800 MWe gross, 50 Hz