Siemens Reference Power Plant Design Applied for Ultra-Super-critical

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

Power-Gen India 19th to 21st April 2012Dr. 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 reservedApril, 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 todays 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: 1813 MW; 50 Hz 280 bar/ 600C/ 610C (@ Boiler outlet) Final feedwater temperature: 308 C Condenser pressure: 30 / 45 mbar Net efficiency: ~45,6 % (LHV basis)

Steam turbine: SST5-6000 with 4x12.5m 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/ 600C/ 620C (@ 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 Turbine 2 50 % Condensate Pumps3 50 %

Condensate Pumps2 50 % Condensate

Polishing PlantLP Heaters

A1 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

n

e

t

,

L

H

V

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 withVOITH VORECON

+Mill Air Heat Recovery System+External Desuperheater

X20 P91 P92

167bar538C538C

255bar565C565C

270bar600C610C

285bar600C620C +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

167bar565C565C


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/600C Reheat Steam: 600CCondenser: 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 Boilerssince 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


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12963

Duration

Turbine

Generator

Boiler

Minor inspection

Major overhaulAnnual 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 projectsThank you very much for your kind attention!


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Siemens Reference Power Plant Design Applied for Ultra-Super-critical

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