11 © 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. Jornada Tecnológica 26 Oct 06/jw R 4.38(26) GT24/GT26 Gas Turbine Part Load Efficiency z GT exhaust temperature maintained from 40% to 100% GT load z High exhaust energy - optimal for high steam parameters under full and part load conditions - Relative CCPP Efficiency vs. CC Load 80% 85% 90% 95% 100% 40 50 60 70 80 90 100 CCPP Load [%] Relative CC Gross Efficiency Sequential Combustion Single Combustion 12 © 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. Jornada Tecnológica 26 Oct 06/jw R 4.38(26) GT26 Technology NOx Emissions Lowest NOx Emissions from 40% - 100% Load with the GT26 Sequential Combustion System 1 10 100 1000 40% 50% 60% 70% 80% 90% 100% Relative Load [%] NOx_dry @ 15%O2 [ppm] Measurements at the GT26 Test Power Plant in Birr Summer 2005 Typical permit limit of 25 vppm Measurements 13 © 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. Jornada Tecnológica 26 Oct 06/jw R 4.38(26) GT24/GT26 Gas Turbine Combined Cycle Start-up Curves Full Load Hot Start (max. ~8 hrs shutdown) Warm Start (~60 hrs shutdown) Cold Start (>120 hrs shutdown) 47 115 145 Time [minutes] 52 M u l t i S h a f t S i n g l e S h a f t 165 140 Single Shaft: Multi Shaft *: HRSG purging time not included GT Ignition * 1 static frequency converter -> sequential start-up of GT’s 14 © 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. Jornada Tecnológica 26 Oct 06/jw R 4.38(26) GT24/GT26 Gas Turbine z Market Requirements z Design Features z Operational Flexibility z Development and Validation z GT24/GT26 Overview and Fleet Status z Summary 15 © 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. Jornada Tecnológica 26 Oct 06/jw R 4.38(26) GT24/GT26 Quality Engineering Rolls-Royce - ALSTOM Agreement High Lift 3D Shape Inter- action with Film Cooling Uncovered Side Cooling at Blade Trailing Edges Rear Outer and Inner Discharge Nozzle Internal Heat Transfer Coefficient Prediction Design for Reduced Leakage Secondary Air Flow Knowledge Based Design Systems and Processes External Heat Transfer Coefficient & Tempera- ture Prediction 16 © 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. Jornada Tecnológica 26 Oct 06/jw R 4.38(26) Complete C P 1 C P 0 C P 2 C P 3 C P 4 Specify Derive Concept Validate Detail Design C P 5 Introduce to fleet Agreed baseline Development specification Concept freeze Design freeze Release for introduction Part & Component Tests e.g. burner tests ALSTOM Test Power Plant GT24/GT26 Quality Engineering Product Development Process Validated to the Appropriate Level 17 © 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. Jornada Tecnológica 26 Oct 06/jw R 4.38(26) GT8C2 Engine in Simple Cycle Operation GT26 Engine in Simple Cycle Operation GT24/GT26 Quality Engineering ALSTOM’s GT Test Power Plant Small Size Advanced Technology The ALSTOM GT Test Power Plant in Birr, Switzerland 18 © 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. Jornada Tecnológica 26 Oct 06/jw R 4.38(26) 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 19 © 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. Jornada Tecnológica 26 Oct 06/jw R 4.38(26) GT24/GT26 Gas Turbine z Market Requirements z Design Features z Operational Flexibility z Development and Validation z GT24/GT26 Overview and Fleet Status z Summary 20 © 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. Jornada Tecnológica 26 Oct 06/jw R 4.38(26) GT24/GT26 Gas Turbine Key Advantages z Advantages of GT24 / GT26 Sequential Combustion seen in the field – 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 . Tecnológica 26 Oct 06/jw R 4.38 (26 ) GT24 /GT26 Gas Turbine z Market Requirements z Design Features z Operational Flexibility z Development and Validation z GT24 /GT26 Overview and Fleet Status z Summary 20 ©. Tecnológica 26 Oct 06/jw R 4.38 (26 ) GT8C2 Engine in Simple Cycle Operation GT26 Engine in Simple Cycle Operation GT24 /GT26 Quality Engineering ALSTOM’s GT Test Power Plant Small Size Advanced Technology The. prohibited. Jornada Tecnológica 26 Oct 06/jw R 4.38 (26 ) GT24 /GT26 Gas Turbine z Market Requirements z Design Features z Operational Flexibility z Development and Validation z GT24 /GT26 Overview and Fleet