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Gamesa Eólica New 2 MW WT: Gamesa G87-2.0 MW & G90-2.0 MW February 2006

Gamesa Eólica New 2 MW WT: Gamesa G87-2.0 MW & G90-2.0 MW February 2006. Agenda. Gamesa Profile. 1. Gamesa Eolica product development. 2. R&D Development. I. II. Modular Vertical Integration. III. Platform approach as the basis for Product Portfolio development. IV.

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Gamesa Eólica New 2 MW WT: Gamesa G87-2.0 MW & G90-2.0 MW February 2006

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  1. Gamesa Eólica New 2 MW WT: Gamesa G87-2.0 MW & G90-2.0 MW February 2006

  2. Agenda Gamesa Profile. 1 Gamesa Eolica product development 2 R&D Development. I II Modular Vertical Integration. III Platform approach as the basis for Product Portfolio development IV Gamesa G87-2.0 MW & Gamesa G90-2.0 MW Technologies

  3. 1. Gamesa Profile Business Areas. Renewable Energies Aeronautics Development and sell of Wind Farms Wind Turbine Production Advanced Services Solar Installations • Design • Production • Components • O&M • Turn Key • Installation • Civil work • O&M • Thermal • Photovoltaic • Promotion • Sell • Prediction • Agent

  4. 1. Gamesa Profile. Renewable Energies Areas Business Units. Gamesa operates in the wind energy sector through three business units, leaders of their respective areas of promotion, manufacturing and services Renewable Energies Areas 100% 100% 100% Control % Gamesa Energía Gamesa Eólica Gamesa Servicios Business Unit Promotion of Wind Farms Wind Turbine Production Advanced Services Activity Resource Evaluation Micrositting Financing Structure Components Design& Manufacturing WTG Design & Manufacturing Turn-key contracts Operation & Maintenance Transfer to 3rd Depending on the local developers demand, Gamesa is able to provide a complete solution or a partial solution

  5. 2. Gamesa Eólica product development R&D Development. 5 R&D centers in Pamplona, Bilbao and Denmark. 247 employees. 60.9 mill. € invested in 2004, equivalent to 3.4% of the group turnover. Gamesa was ranked 5th in Spain by R&D investment. Gamesa is among the top 200 European companies investing in R&D in 2004. 35 patents granted and 17 requested (by end of 2004). In 2004 Gamesa collaborated with 49 scientists and technologists in R&D projects. Gamesa UPB: Highly Accelerated Life Testing center. Major investments in R&D allow Gamesa Eólica to guarantee its state-of-the-art technology in the long-term

  6. 2. Gamesa Eólica product development Modular Vertical Integration. Gamesa Eólica considers the tailor-made development of the major components as a necessary element for the excellence in the design and production of the wind turbines Blades Control Software Gearboxes Generators Power Electronics Towers Design 100% In House 100% In House 50% In House 50% In House 60% In House 100% In House Manufacturing 50% In House 60% In House 30% In House 100% In House 100% In House 50% In House O&M 100% In House 100% In House 100% In House 100% In House 100% In House 100% In House 20% 5% 15% 10% 5% 20% % of WTG Cost Gamesa Eólica transfers the maximal quality and cost advantages to its customers through this strategy

  7. Nacelle Generators & Converters Towers Blades Root joints Blade Moulds Gearboxes 2.310 MW 275 u. 8 G8X 2.416 MW 4.400 u. 1.200 MW 1.465 MW 6 Manufacturing Plants 2 Manufacturing Plants 6 Manufacturing Plants 1 Manufacturing Plant 3 Manufacturing Plants 4 Manufacturing Plants 1 Manufacturing Plant 2. Gamesa Eólica product development Modular Vertical Integration. Annual Production Capacity. Number of Manufacturing Plants Constructed Surface Total Surface 23 169.350 m2 552.940 m2 Gamesa Eólica counts on a large & geographically distributed industrial capacity to reduce logistics costs and enhance local value

  8. 2. Gamesa Eólica product development Product Portfolio. Platform approach as the basis for Product development Modular strategy designing horizontal components for our product platforms which provide improved quality control, greater efficiency and flexibility

  9. 2. Gamesa Eólica product development Product Portfolio. Models and versions.     44,55,60,65,74 IA WZII 850kW G52 Gamesa G5X-850 kW     44,55,60,65,71 IIIB WZII 850kW G58     IA WZII-III 2.000kW 60,67,78,100 G80      IIA 2.000kW 67,78 G83 Gamesa G8X-2.0 MW     IIA WZII 2.000kW 67,78,100 G87     IIIA WZII 2.000kW 67,78,100 G90 Complete range of the multi-MW market through models with rotors adapted to site conditions to maximize Value and Profitability

  10. Sept 2002 G80 Protopype Aguallal (SPAIN) Sept 2003 G83 Protopype Cinseiro (SPAIN) Nov 2003 G80 60Hz Protopype Koshizaki (Japan) May 2004 G87 Protopype Lubián (SPAIN) 2. Gamesa Eólica product development Product Portfolio. G8X Protopypes roadmap. Jun 2005 G90 Protopype Almendarache (SPAIN) 2002 2003 2004 2005 2006

  11. 2. Gamesa Eólica product development Product Portfolio. Gamesa G87-2.0 MW. Maximizing cost efficiency per kwh by maximizing production in medium wind speeds. 42,5m blade using state-of-the-art manufacturing technology based on glass fibre, carbon fibre and pre-peg method for a lighter rotor design. Reduced sound level and Gamesa NRSTMformaximizing production while complying to specific noise restrictions. Grid connection technology that assures full national grid codes compliance. Gamesa SMP for predictive maintenance and Gamesa SGIPE for remote operation. Power density of 336 kW/m2 230 WTG installed by Dec. 2005.

  12. 2. Gamesa Eólica product development Product Portfolio. Gamesa G90-2.0 MW. Maximizing cost efficiency per kwh by maximizing production in low wind speeds. 44m blade using state-of-the-art manufacturing technology based on glass fibre, carbon fibre and pre-peg method for a lighter rotor design. Reduced sound level and Gamesa NRSTMformaximizing production while complying to specific noise restrictions. Grid connection technology that assures full national grid codes compliance. GamesaSMP for the predictive maintenance and Gamesa SGIPE for the remote control. Power density of 314 kW/m2

  13. 2. Gamesa Eólica product development Gamesa G87-2.0 MW and Gamesa G90-2.0 MW. AEP Enhanced production for any wind resource through Gamesa G87 and Gamesa G90

  14. 2. Gamesa Eólica product development Gamesa G87-2.0 MW and Gamesa G90-2.0 MW. WT Components GEARBOX INTERCOOLERS CRANE MAIN FRAME TRANSFORMER MAIN SHAFT BEARING HOUSES DISC BRAKE GENERATOR COUPLING A modular drive train for a reliable torque transmission to gearbox

  15. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies.

  16. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Environmental conditions I. Temperature Versions Nacelle changes Components changes Nacelle tune to match environmental conditions

  17. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Aerodynamics Systems I. G8X blades G80: 39 m. G83: 40,5 m. G87: 42,3 m. G90: 43,8 m. 6.500 Kg 7.300 Kg 6.150 Kg 5.800 Kg Carbon fiber is used for obtaining more stiffness with lighter weights

  18. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Aerodynamics Systems II. G8X blades characteristics State-of-the-art manufacturing process. Blades made of composite with glass and carbon fiber reinforcement. Carbon fiber is used for obtaining more stiffness with lighter weights. Pre-preg manufacturing method Lightining protection system Delft University airfoils

  19. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Mechanical systems I. Improvements in Gamesa Active Yaw System The yaw is active with hydraulic brake clamp that can be regulated gradually. The system is composed of 5 clamps avoid fatigues and failures in the Yaw system. 4 electrical motors operated by WT controller based on information received from the anemometers mounted on top of the nacelle Subjected to High Accelerated Life Testing at Gamesa UPB Gamesa Active Yaw provides maximum adaptability to complex terrain

  20. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Mechanical systems II. Front Frame One-piece casted part Larger yaw-gears to improve yaw control Approx. weight: 10,600 kg. Subjected to High Accelerated Life Testing at Gamesa UPB The one piece casted part front frame assures unique adecuation to the original design and resistance to (i) support the weight of the nacelle and (ii) transmit the loads to the tower

  21. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Mechanical systems III. Gamesa UPB High Accelerated Life Testing facilities for frames and yaw system. Frames and Yaw systems are subjected to cycles of extreme loads and fatigue. Results obtained help to assure high quality standards as well as giving feedback for design improvements HALT of a Front Frame in the Gamesa UPB facilities The life testing facility assures critical mechanical components reliability in design process

  22. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Mechanical systems IV. New Gearbox design Designed for the load envelop of the whole platform: 2MW DFM IEC IA/IIA/IIIA and DIBtII/III 3 combined steps, one planetary and two parallel helicoidall Enjoys a lubrication system with an associated filtering system. Subjected to fatigue testing Control sensors and Gamesa SMP accelerometers for predictive maintenance

  23. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Electrical systems I. Generator Synchronous behaviour 4 poles Doubly-fed induction generation Variable Speed through rotor currents control Active and Reactive power control through control of rotor current amplitude and phase DF maximizes production and minimizes loads and noise levels in the most efficient way

  24. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Electrical systems II. Transformer • Three-phase, dry encapsulated type. • Output Voltage from 6,6 to 34,5 kV • Mounted inside the nacelle in G8X for reducing energy losses and visual impact • LV protections • Fuses in stator and rotor bushbar • Neutral current relay • Temperature sensors • MV protections • MV switchgear • Spark sensor • MV Surge Arrester

  25. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Control systems I. Gamesa SGIPE SCADA designed and developed by GEOL Integrates WT management, weather masts and the electrical substations Graphic interface and Web access Optional modules: Active power, Reactive power regulation, Gamesa NRSTM , Wake effect control system and Shadow control. Modules for active and reactive power regulation, noise levels emission, wake effect control and shadow control

  26. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Control systems II. Gamesa SMP Certified by Germanischer Lloyd Monitors critical parts of the WTG, process the data and gives information through SGIPE Predictive maintenance core technology Up to 8 accelerometers simultaneous management Serial CMS to anticipate to potential failures

  27. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Control systems III. Gamesa NRSTM Noise reduction system. Interchangeable control version depending on the noise emission scheduling Assures maximum energy production complying with local regulations Several programmable parameters: date, day&night, season, wind direction, etc.

  28. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Grid connection I. Performance Summary P f

  29. 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Grid connection II. Low Voltage Ride Through Torque limiter Fullfilment of the low voltage ride-through requirements defined in the FERC, EON, Spanish, Ireland & Others Regulations Active Crowbar Oversized Converter

  30. M.V. Network . . . . ~ ~ ~ ~ Power measurement f (Hz) PLC PLC PLC PLC cos  P (MW) P, cos , f for automatic control SET control SGIPE P, Q setpoint RTU RTU Dispatching Electrical Utility 2. Gamesa Eólica product development G87-2.0 MW and G90-2.0 MW Technologies. Grid connection III. Reactive Power Reactive Power (cos PHI 0.95 as an option in 690V) GAMESA SGIPE manages wtgs and SET equipment reactive output through connection to SET

  31. G87-2.0 MW and G90-2.0 MW Conclusions     IA WZII-III 2.000kW 60,67,78,100 G80      IIA 2.000kW 67,78 G83     IIA WZII 2.000kW 67,78,100 G87     IIIA WZII 2.000kW 67,78,100 G90 Gamesa G87 & Gamesa G90 complete the Gamesa multi MW portfolio for medium and low winds Gamesa G87 & Gamesa G90 provide the most efficient cost per kwh through the use of technologies to maximize production

  32. THANK YOU VERY MUCH FOR YOUR ATTENTION

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