26 October 2006
Advanced Gas Turbine Technology GT26 Presentation at the Jornada Tecnológica in Madrid Johannes Wick General Manager Gas Turbine Project Execution
GT24/GT26 Gas Turbine
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
z
Market Requirements
z
Design Features
z
Operational Flexibility
z
Development and Validation
z
GT24/GT26 Overview and Fleet Status
z
Summary
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
2
GT Technology Today and future market requirements z
Increasing Efficiency
z
Lower Emissions (NOx, CO)
z
Improved Availability/Reliability – Proven Technology – Extended Lifetime
z
Improved Operational Flexibility – Part Load Operation – Start-up times and loading gradients – Fuel flexibility (e.g. C2+ content)
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
3
GT24/GT26 Gas Turbine
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
z
Market Requirements
z
Design Features
z
Operational Flexibility
z
Development and Validation
z
GT24/GT26 Overview and Fleet Status
z
Summary
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
4
GT Technology Common ALSTOM GT Features EV burners used in all ALSTOM gas turbines
Annular Combustor in GT8C2, GT13E2, GT24 and GT26
Maintenance free, welded rotor in all ALSTOM heavy duty gas turbines Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
5
GT24/GT26 Technology Welded Rotor
LP Turbine
z z z
HP Turbine
Compressor
One piece design with forged discs welded together Applied since 1929 to all GT and ST rotors Maintenance free - no restacking required – no major overhaul
No major overhauls: Increased availability and reduced maintenance Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Technology Single Shaft Sequential Combustion Retractable SEV Fuel Lance 24 SEV Burners
Annular SEV Combustor
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
EV SEV
= EnVironmental = Sequential EnVironmental
annular EV Combustor Retractable EV Burners with EV Fuel Lances (GT24=20, GT26 =24)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Technology EnVironmental (EV) Burner z
z
A standard burner design, used in all ALSTOM gas turbines A simple robust design: – No maintenance-prone cans, transition pieces, or cross-fire tubes – No burner inspections required
z
Perfect air and fuel mixing: – fuel gas injection into high velocity air stream – flame stabilized in combustor with no contact with burner
EV dry low NOx Technology the cost effective way to low emissions Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
8
GT24/GT26 Gas Turbine
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
z
Market Requirements
z
Design Features
z
Operational Flexibility
z
Development and Validation
z
GT24/GT26 Overview and Fleet Status
z
Summary
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Operation Operation Concept EV-Combustor Temperature
SEV Combustor Temperature GT Exhaust Temperature VIGV open
VIGV idle position Inlet Air Mass flow (Inlet Guide Vane Position) SEV Ignition at ~12% Load
0%
40%
100%
Load [% of base load] z z
EV temperature maintained from about 30%-100% load for low emissions High exhaust temperature maintained from 40%-100% load for high CC part load efficiency
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Gas Turbine Part Load Efficiency
Relative CC Gross Efficiency
100%
Relative CCPP Efficiency vs. CC Load Sequential Combustion
95%
90% Single Combustion
85%
80% 40
50 -
z z
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
60
70
80
90
100
CCPP Load [%]
GT exhaust temperature maintained from 40% to 100% GT load High exhaust energy - optimal for high steam parameters under full and part load conditions © ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
11
GT26 Technology NOx Emissions
NOx_dry @ 15%O2 [ppm]
1000
Measurements at the GT26 Test Power Plant in Birr Summer 2005
100 Typical permit limit of 25 vppm
10 Measurements
1
40%
50%
60%
70% 80% Relative Load [%]
90%
100%
Lowest NOx Emissions from 40% - 100% Load with the GT26 Sequential Combustion System Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Gas Turbine Combined Cycle Start-up Curves Cold Start (>120 hrs shutdown)
ft
Warm Start (~60 hrs shutdown)
Sin g
le S h Mu aft lti Sh a
Full Load
Hot Start (max. ~8 hrs shutdown)
HRSG purging time not included GT Ignition Single Shaft: 47 Multi Shaft *: * 1 static frequency converter -> sequential start-up of GT’s Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
115
145 140
52 Time [minutes]
165
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
13
GT24/GT26 Gas Turbine
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
z
Market Requirements
z
Design Features
z
Operational Flexibility
z
Development and Validation
z
GT24/GT26 Overview and Fleet Status
z
Summary
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Quality Engineering Rolls-Royce - ALSTOM Agreement High Lift 3D Shape Interaction with Film Cooling
Uncovered Side Cooling at Blade Trailing Edges Internal Heat Transfer Coefficient Prediction
Design for Reduced Leakage External Heat Transfer Coefficient & Temperature Prediction Secondary Air Flow
Knowledge Based Design Systems and Processes
Rear Outer and Inner Discharge Nozzle Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Quality Engineering Product Development Process Agreed baseline
C P 0
Development specification
C P 1
Specify
Concept freeze
Derive Concept
C P 2
Design freeze
Detail Design
Release for introduction
C P 3
Validate
C P 4
Part & Component Tests e.g. burner tests
Complete
Introduce to fleet
C P 5
ALSTOM Test Power Plant
Validated to the Appropriate Level Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Quality Engineering ALSTOM’s GT Test Power Plant Small Size
GT8C2 Engine in Simple Cycle Operation
The ALSTOM GT Test Power Plant in Birr, Switzerland GT26 Engine in Simple Cycle Operation Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
Advanced Technology
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Quality Engineering Why a Dedicated Test Power Plant?
9 Flexibility in test campaign planning without commercial time constraints
9 Ability to operate the engine at extreme conditions
9 Proximity to R&D and manufacturing facilities
9 Operating experience under real load conditions (connection to Swiss grid)
GT Test Power Plant and Rotor/Blade Manufacturing in Birr, Switzerland (15 min from Baden Office)
The ALSTOM Gas Turbine Test Power Plant Advantage Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
18
GT24/GT26 Gas Turbine
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
z
Market Requirements
z
Design Features
z
Operational Flexibility
z
Development and Validation
z
GT24/GT26 Overview and Fleet Status
z
Summary
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Gas Turbine Key Advantages
z
Advantages of GT24 / GT26 Sequential Combustion seen in the field – – – –
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
Superior part load efficiencies Low emissions from 40% to 100% load High fuel flexibility (natural gas composition; oil No.2) Very low combined cycle start-up times
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
20
GT24/GT26 Gas Turbines References z
79 units commercial (51 x GT24, 28 x GT26)*) + 19 GT26 units in construction Thailand, Germany, Italy, Spain, UK, France & Australia -> next project will get 100th turbine!
z
Fleet Experience: – – – –
Simple Cycle, Combined Cycle and Repowering Single Shaft and Multi Shaft From “Daily starts and stops” to “base load” operating plants Natural gas (also with high inert/C2+), oil with online fuel switchover *) excl. GT26 at the GT Test Power Plant in Birr, CH – Power Augmentation by Inlet cooling & High Fogging
>2’000’000 fired hours with >40’000 starts at >98% GT reliability Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT24/GT26 Fleet GILBERT BURGIN AGAWAM MIDLOTHIAN ISLAND COGEN LAKE ROAD
1xGT24 2xGT24 1xKA24-1 4xKA24-1 1xKA24-1 3xKA24-1
MILFORD BLACKSTONE BAYSIDE HAYS MIDLOTHIAN II BELLINGHAM LA PALOMA
2xKA24-1 2xKA24-1 1xKA24-1 4xKA24-1 2xKA24-1 2xKA24-1 4xKA24-1
Reliant LG&E PDC ANP Westcoast Lake Road Generation PDC ANP Westcoast*) ANP ANP ANP PG&E
BESOS BESOS SAN ROQUE SAN ROQUE CASTEJON CARTAGENA CASTEJON 2 MALAGA SOTO DE RIBERA
1xKA26-1 1xKA26-1 1xKA26-1 1xKA26-1 1xKA26-1 3xKA26-1 1xKA26-1 1xKA26-1 1xKA26-1
Endesa Gas Natural Endesa Gas Natural Hc Energia Gas Natural Hc Energia Gas Natural Hc Energia
RINGSEND
1 xKA26-1 Synergen
ROCKSAVAGE ENFIELD SHOREHAM CORYTON LANGAGE
1xKA26-2 1xKA26-1 1xKA26-1 1xKA26-2 1xKA26-2
InterGen E.On Scottish Power InterGen Centrica
RDK
1xKA26
EnBW *)
CyCoFos
1xKA26-1 CyCoFos
SCANDALE 2xKA26-1 Eurosviluppo Elettrica GISSI 2xKA26-1 Abruzzoenergia MODUGNO 1xKA26-2 Energia ALSTOM Gas Turbine Test Power Plant, 1xGT26
CHIBA 1xKA26-1 JFE PORYONG, 4 xKA24-2 KEPCO
TERMOBAHIA 1xKA24-1 Petrobras/EV
HAI FU, 2xKA24-2 Ever Power MONTERREY ROSARITO HERMOSILLO MONTERREY III
2xKA24-1 2xKA24-1 1xKA24-1 4xKA24-1
CFE CFE Union Fenosa Iberdrola En.
SWANBANK 1xKA26-1 CS Energy TALLAWARRA 1xKA26-1 TRUenergy
DOCK SUD, 1xKA26-2 CDS
Legend: Single Shaft Combined Cycle in red Multi Shaft Combined Cycle in black & underlined Simple Cycle in blue and italic *) = Repowering Projects
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
BOWIN 2xKA26-1 Glow IPP Co. BANG BO 1xKA26-1 EPEC KHANG KHOI 2xKA26-2 Gulf Power
TOCOPILLA 1xKA26-1 Electroandina
SENOKO 1xKA26 Senoko Power *) SENOKO II 2xKA26 Senoko Power *)
TARANAKI 1 xKA26-1 Contact Energy
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
22
GT24/GT26 Fleet Reliability (acc. ISO 3977/IEEE 762) z
60 x GT24/GT26 units monitored – 82% of the plants in commercial operation
z
Data taken from start of commercial operation – until 30th June 06 – covers a total of 1’857’362 period hours
z
No significant differences between GT24 and GT26
100% 80% 60% 40% 20% 0%
GT Reliability >98% (including GT auxiliaries)
1 GT Reliability
Average Plant Reliability >97% Average Plant Starting Reliability >95% Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT26 Power Plants Some exceptional facts for GT26 Units z
GT26 CCPP Castejon achieved 98.0% plant availability in its first 3 years of operation
z
GT24/GT26 fleet record of continuous operation is 189 days in GT26 Bang Bo Plant in Thailand
The GT24/GT26 is a reliable workhorse Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT26 Power Plants Most Recent Commercial Plant in Spain z
Cartagena Plant, Spain – 1’200 MW based on 3 x GT26 single-shaft power trains – EPC for CCPP & long term O&M – Repeat order
z
z z
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
Complete plant handed over to the client and in commercial operation <25 months construction time PAC in achieved ahead of schedule
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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GT26 Gas Turbine GT and Plant Performance Gross Gas Turbine ISO Rating GT26
Net Combined Cycle Plant Output
Plant Net Output
288.3 MW
KA26-1
KA26-2
Single Shaft 1 on 1
Multi Shaft 2 on 1
38.3 % KA26-2 ICSTM Multi Shaft 2 on 1
MW
424.0
850.3
857.7
Plant Net Efficiency
%
58.3
58.5
59.0
Plant Net Heat Rate
kJ/kWh
6’172
6’156
6’103
all data at ISO conditions
ALSTOM’s large size, advanced GT26: Highest combined cycle efficiency in its class Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
26
GT24/GT26 Gas Turbine
Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
z
Market Requirements
z
Design Features
z
Operational Flexibility
z
Development and Validation
z
GT24/GT26 Overview and Fleet Status
z
Summary
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
27
Gas Turbine Technology Summary z
z
Two ways of developments in the market: – New model with new technology • Steam cooling, new materials … – Upgrading mature technologies ALSTOM’ way: upgrades mature technology – With proven elements & calibrated tools – Maximization of performance and decrease of emissions – Optimisation of economics
z z
Upgrades validated and in operation Upgrades accepted by the market – 15 engines with new rating already sold
Evolutionary steps ensure a conservative approach towards 60% CCPP efficiency with existing platforms Jornada Tecnológica 26 Oct 06/jw R 4.38(26)
© ALSTOM 2006. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.
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