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1 FMV New Vestas products vestas.com

2 V MW Approved for IECII and IECS Suitable up to 9,5 m/s depending on turbulence intensity Nominal rating 3.0 MW Tower range m Tip height range m *This product will not be available for delivery in the USA before spring 2011 and in Canada before spring V MW Product Management, February 1, 2010

3 Agenda High productivity Proven technology Low O&M cost High availability Low installation and transportation cost Excellent grid compliance Silent production Reduced balance of plant cost Environmental facts Technical details Off shore 3 V MW Product Management, February 1, 2010

4 High Productivity V MW 4 turbines 12 MW High efficiency Few large turbines Reduced balance of plant cost AEP= MWh V MW 4 turbines 12 MW AEP= MWh V MW 6 turbines 10.8 MW AEP= MWh 8 m/s average wind speed 4 V MW Product Management, February 1, 2010

5 Proven Technology V80/V90 technology Pitch system Yaw system Control system Blade concept Towers New technology Permanent magnet generator Full scale converter V MW technology Conventional drive train Free flow cooler Experience Vestas Performance and Diagnostics Centre knowledge 5 V MW Product Management, February 1, 2010

6 Low Operation & Maintenance Cost Scheduled for one annual service Designed for good service access Modular systems plug and play Fixed price service agreement for 10 years with availability guarantee 6 V MW Product Management, February 1, 2010

7 Reliability Conventional drive train Free flow cooling Six Sigma quality assurance principles State-of-the-art testing Example Tested components - gearbox tested separately Tested modules - gearbox tested in bed frame with main shaft Tested systems drive train tested together with cooling system Prototype test Gearbox test bench at Test Centre, Aarhus, Denmark 7 V MW Product Management, February 1, 2010

8 Low Installation and Transportation Cost Turbine split in modules of maximum 70 tonnes Easy transport Low crane cost Standard trailers useable Vestas Tower Crane TM can be used for increased flexibility during installation for Drive train Hub Blades 8 V MW Product Management, February 1, 2010

9 The Vestas Tower Crane vestas.com

10 Tower Crane Concept What is a Tower Crane? A compact self hoisting add-on crane solution that makes it possible to lift the main components during installation and service on a WTG, without the need of a conventional mobile crane. Why use a Tower Crane? Conventional mobile cranes are expensive and in short supply Some components can be installed with the tower crane. This reduces the period of time in which a conventional mobile crane is needed. and eliminates the need for a conventional mobile crane during exchange of main components. 10 V MW Product Management, February 1, 2010

11 Tower Crane Features Advantages, Tower Crane versus conventional mobile crane Easier mobilization fewer truck loads needed Quicker mobilization of crane Crane operated from nacelle or ground operator always close to load Crane oscillation follows WTG less sensitive to wind Which components will the Tower Crane be able to lift(*)? Gearbox Gearbox high speed stage Main shaft and bearings Blades Generator Hub (*) list may differ from platform to platform 11 V MW Product Management, February 1, 2010

12 Tower Crane Roadmap The Vestas Tower Crane will be applied as an internal tool by Vestas Service. Targeted platforms: V MW A tower crane is developed and being tested. It will be used for change of major components, i.e. gearbox repairs. V MW, V MW, V MW and 2 MW platform A common cross-platform tower crane is under development. 12 V MW Product Management, February 1, 2010

13 No more side tracking - back to V112 vestas.com Copyright Notice The documents are created by Vestas Wind Systems A/S and contain copyrighted material, trademarks, and other proprietary information. All rights reserved. No part of the documents may be reproduced or copied in any form or by any means such as graphic, electronic, or mechanical, including photocopying, taping, or information storage and retrieval systems without the prior written permission of Vestas Wind Systems A/S. The use of these documents by you, or anyone else authorized by you, is prohibited unless specifically permitted by Vestas Wind Systems A/S. You may not alter or remove any trademark, copyright or other notice from the documents. The documents are provided as is and Vestas Wind Systems A/S shall not have any responsibility or liability whatsoever for the results of use of the documents by you.

14 Excellent Grid Compliance Designed for world wide grid compliance Able to operate for seconds without grid connection Highly adaptable for future requirements Fast run back to 20% Spinning reserve 20% to 100% Fast ramp up 480 kw/s 14 V MW Product Management, February 1, 2010

15 Environment LCA (Life Cycle Analysis) Energy balance Energy payback after approx 8 months 15 V MW Product Management, February 1, 2010

16 16 V MW Product Management, February 1, 2010 TECHNICAL DETAILS

17 Main Specification Wind speed average (v 10 min. avg) Wind speed extreme (v 10 min. ext.) Wind speed survival (v 3 sec. survival.) A-factor Form factor, C m/s 42.5 m/s 59.5 m/s 9.69 m/s Turbulence intensity acc. to IEC , incl. wind farm turbulence (@15 m/s 90% quartile) 18% Wind shear 0.2 Max. inflow angle (vertical) 8 Re-cut in Cut-in (10 min. average) Cut-out (100 sec. exponential average) Standard climate version Low Temperature climate version 23 m/s 3 m/s 25 m/s -20º C to +40º C -30º C to +40º C Altitude 1500 m above sea level 17 V MW Product Management, February 1, 2010

18 Power Power Production Cut in at 3 m/s Rated power reached at 12 m/s Power curve 4000 V MW V MW V MW Wind speed 18 V MW Product Management, February 1, 2010

19 High Productivity 63% higher AEP than V MW Low rating per swept area WTG model V MW V MW V MW Rating per swept area W/m Rotor swept area m m/s MWh top head mass pr swept area kg/m V MW Product Management, February 1, 2010

20 Sound Power Levels 20 V MW Product Management, February 1, 2010

21 Turbine Design Conventional design to reduce the risks Three point suspension (no alignment) Proven concepts Focus on reliability 21 V MW Product Management, February 1, 2010

22 Pitch System and Blade Bearings Conventional blade bearings identical to V MW Conventional hydraulic pitch system identical to V MW 22 V MW Product Management, February 1, 2010

23 55 m Blade Vestas prepreg concept identical to the 44 m blade Slimmer design to reduce loads Lightning receptors and internal grounding cable integrated 23 V MW Product Management, February 1, 2010

24 Rear Frame & Internal Crane Rear frame integrated with the service crane Crane capacity 990 kg Upgradeable to 9.5 tonnes 24 V MW Product Management, February 1, 2010

25 Cover Glass fiber cover connected to the crane support structure. 25 V MW Product Management, February 1, 2010

26 Main Shaft Assembly One large spherical roller main bearing Hollow large diameter cast main shaft All components are covered for safety 26 V MW Product Management, February 1, 2010

27 Gearbox Four stage gearbox Oil tanks Well known construction Dry sump at normal conditions Backup system to ensure lubrication at no load conditions Room for conventional gearbox in the construction (second source) Last stage can be renewed in situ 27 V MW Product Management, February 1, 2010

28 Brake and High Speed Shaft Brake Disk brake with four calibers Parking brake function only (not emergency) Can only be used below 300 rpm High Speed Shaft High speed shaft with composite spacer Spacer is made of glass fibre, which ensures electrical separation between gearbox and generator. 28 V MW Product Management, February 1, 2010

29 Vestas CoolerTop TM New Vestas CoolerTop TM design Useable up to 1500 m altitude with derating No power consumption for fans No noise emission from cooling system 29 V MW Product Management, February 1, 2010

30 Cooling Systems Vestas CoolerTop TM without electrical components outside nacelle Liquid cooling system of main components Transformer cooling (air cooled with electrical fan) Nacelle cooling (air cooled with electrical fan) 30 V MW Product Management, February 1, 2010

31 Generator Synchronous - permanent magnet No slip rings needed for operation Internal ventilation and water jacket cooled Compact design - 8 or 12 poles Low weight Hybrid bearings (ceramic) Vacuum impregnated windings 31 V MW Product Management, February 1, 2010

32 GridStreamer TM Hardware Compact design Water cooled power components Ventilation to nacelle on air cooled components Converter located below the floor to maximise space for service 32 V MW Product Management, February 1, 2010

33 Hardware Control System Based on knowledge from V90 and V80 Modular build up One system in one module Multi connectors for easy and fail proof installation and exchange 1) Nacelle Control Cabinet 2) Hub Control Cabinet 3) Tower Control Cabinet 33 V MW Product Management, February 1, 2010

34 V MW Offshore IEC S Product Presentation vestas.com

35 V MW Offshore IEC S Why is this a highly competitive turbine? Superior Cost of Energy Performance Designed for Reliability and Endurance Superior Serviceability.That s why! 35 V MW Product Management, February 1, 2010

36 Highly Competitive Annual Energy Production A large rotor diameter and a unique new blade design maximizes output while causing the least possible load to the turbine results in 55% larger swept area than the V90 rotor is less sensitive to dirt and salt, minimizing production disturbances The result: a steep power curve with high production already at low and medium wind speeds 36 V MW Product Management, February 1, 2010

37 Steep Power Curve With High Production 37 V MW Product Management, February 1, 2010

38 Reduced Balance of Plant Costs Lower foundation costs Advanced control algorithms reduce the extreme loads Low top head mass compared to swept area reduce the dynamic loads 18 kg/m2 Cost efficient monopile foundation possible 38 V MW Product Management, February 1, 2010

39 Optimized Operation & Maintenance Scheduled for one annual service Designed for good service access Modular systems plug and play 39 V MW Product Management, February 1, 2010

40 Designed for Reliability and Endurance 40 V MW Product Management, February 1, 2010

41 Proven Technology and New Innovations V80 / V90 technology Pitch system Yaw system Control system Blade concept Towers New technology Permanent magnet generator Full scale converter V82 technology Conventional drive train Free flow cooler Experience Vestas performance and diagnostics centre knowledge 41 V MW Product Management, February 1, 2010

42 Technology Highlights Conventional details Conventional proven drive train concept Hydraulic pitch system - well proven Permanent Magnet Generator New details Permanent Magnet Generator avoiding slip ring system thereby improving availability Higher robustness requirements to components Load optimized operation resulting in reduced wear Full converter excellent grid compliance 42 V MW Product Management, February 1, 2010

43 Designed to Optimize Lifetime Performance Automatic protection against needless wear Advanced control algorithms for reducing loads and wear Automatic lubrication to optimize life time Pitch system Yaw system Main bearing Generator bearings Preventive maintenance Continuous monitoring of key components through the Condition Monitoring System 43 V MW Product Management, February 1, 2010

44 Free Flow Cooling System Liquid cooling of all main components No electrical components in the cooling system outside the nacelle improving durability No external air forced through nacelle Free-flow cooling system 44 V MW Product Management, February 1, 2010

45 Superior Serviceability 45 V MW Product Management, February 1, 2010

46 Designed With Focus on Safety and Serviceability Designed for one year service interval Advanced 3D tools used for optimal nacelle layout and to ensure ideal working conditions for service technicians Modular design allows easy access and fast component replacement Large number of standard components can be sourced from several suppliers enhancing reliability and high availability 46 V MW Product Management, February 1, 2010

47 Crane Solutions to Reduce Need for Crane Vessel Internal crane Capacity 990 kg upgradeable to 9.5 tonnes Exchange of Generator Transformer Tower crane Exchange of main components Gearbox Gearbox + Main shaft arrangement Blades 47 V MW Product Management, February 1, 2010

48 Designed for Safe Working Conditions Covers around all rotating parts in nacelle Plenty of room for handling all spare parts and main components can be lifted in with ease Power converter integrated into nacelle floor provides more working space and enhances serviceability 48 V MW Product Management, February 1, 2010

49 In Sum. Superior Cost of Energy Performance 55% larger swept area than V90 Smart and Light design lowering foundation loads and costs - improving the overall wind park economics Optimized operation and maintenance Designed for Reliability and Endurance Combining proven technology with new innovations State-of-the-art testing and Six Sigma quality assurance Designed to optimize lifetime performance Superior Serviceability Designed with a focus on optimal service Integrated crane systems and tower crane for heavy lifts Designed for safe working conditions 49 V MW Product Management, February 1, 2010

50 Thank you for your attention vestas.com Copyright Notice The documents are created by Vestas Wind Systems A/S and contain copyrighted material, trademarks, and other proprietary information. All rights reserved. No part of the documents may be reproduced or copied in any form or by any means such as graphic, electronic, or mechanical, including photocopying, taping, or information storage and retrieval systems without the prior written permission of Vestas Wind Systems A/S. The use of these documents by you, or anyone else authorized by you, is prohibited unless specifically permitted by Vestas Wind Systems A/S. You may not alter or remove any trademark, copyright or other notice from the documents. The documents are provided as is and Vestas Wind Systems A/S shall not have any responsibility or liability whatsoever for the results of use of the documents by you.

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