V MW. Your best option for low cost energy production at low and medium wind sites. Federico Gonzalez Vives. Director Technology.

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1 V MW Your best option for low cost energy production at low and medium wind sites Federico Gonzalez Vives. Director Technology. Vestas MED REOLTEC. Jornadas tecnicas 17 de junio de 2010 vestas.com

2 The V MW a reliable turbine that will squeeze more out of the available wind than you ever could before DESIGNED FOR IECIIA and IECIIIA...and a little bit more even!...key BENEFITS IEC III IEC II IEC I The V MW Existing WTGs In the MW range V MW V MW / V MW Designed for IECIIa, IECIIIa and IECS Suitable up to 9.5 m/s (TI up to 14%) Nominal rating 3.0 MW Compliant to latest norms and standards Global coverage Tower range m Tip height range m Temperature span -30º C to +40º C High altitude and flexible list of options V MW designed for high productivity New WTG (3 MW Platform) V MW V MW m/s: 13,545 MWh (@Air density = kg/m3) High production at noise restricted locations: AEP Mode1 = 99.7% (@ 8 m/s) AEP Mode2 = 95,7% (@ 8 m/s) provides high revenue potential Wind Speed [m/s] 2

3 The V incorporates key innovations designed to increase productivity and operational costs Designed for high productivity Optimized for Inland locations with low to medium long term Wind Speed Best wind capture highest Cp value and optimal rotor to generator ratio in 3.0 MW class V MW AEP m/s: 13,545 MWh more than 4500 equivalent hours at rated power (Air density kg/m 3 ) no other turbine in 3 MW class has a power to rotor area ratio of 300 W/m 2 Site adaptive High production at noise restricted locations: AEP Mode1 =99.7% AEP Mode2 =95,7% (@8 m/s) Opportunity to increase power output by overrating turbine temporarily in favourable conditions V MW provides excellent grid compliance State-of-the-art technology designed for world wide grid compliance at power plant level and not just at WTG level, and thus, reducing BoP costs Optimized for product life cycle management Designed for uncomplicated transport, installation and service & maintenance, based on standardized tools and equipment 3

4 Optimized for inland locations with medium wind speed or even high wind speed provide low TI AEP [MWh] V MW High Productivity V MW has very good productivity compared competitors products Larger blade size maximises low wind performance and generates more power Best wind capture highest Cp value and optimal rotor to generator ratio in 3.0 MW class Approved for IECIIa, IECIIIa, IECS ( up to 9.5 m/s low TI ) Industry Range Annual Average Wind Speed [m/s] 4

5 Mechanical and electrical components design helps to achieve the high production even in low noise scenarios db(a) Mode 0 Mode 1 Mode Mode 0 Mode 1 Mode Site specific operation modes possible High production during low noise operation V MW has very good productivity compared competitors products Low noise blade profiles, and quite insensitive to dirt and small changes in operation parameters Full-scale modular converter Standard modes Mode 1: Reduced sound emission at low wind speed Mode 2: Maximum sound emission db(a) AEP 8 m/s Permanent magnet generator Higher Power Production at Noise Restricted Sites Increased number of potential farms 0,3 % 4,3 % 5

6 Excellent grid support capability improves power efficiency, reduces maintenance cost and power plant BoP as well keeping it highly adaptable for future requirement Full grid compliance Voltage range 0,8 1,2 Frequency Hz FRT Yes Reactive current injection Yes Power Recovery Yes Short-circuit contribution 1.5 pu Max short-circuit level 23 ka Fast ramp up Yes Features Designed for superior grid support Power factor range: ± 0.9 Zero Voltage Ride Through: 0.5 s Fast run back to 20%, spinning reserve 20% to 100% Theoretically unlimited number of FRT Improved Power Efficiency Reduced Maintenance Cost Highly adaptable for future requirements 6

7 Reduced BOP cost due to V112 performances Lower foundation costs Advanced control algorithms (Load Management System) reduce the loads and thus foundation dimensioning Low top head mass reduce the dynamic loads Reduced substation cost Full converter and GridStreamer concept reduces the substation size and cost by eliminating need for StatComs and switched capacitors in most of the existing and foreseen grid codes No more active/passive filter needed Reduced road and crane pad stand cost No components weigh more than 70 metric tonnes Replacement of components can be done by tower crane Standard trailers useable, no more complicated roads or crane pads 7

8 The V MW is designed to reduce installation & transportation cost Turbine split in modules Easy transport Low crane cost Use of standard trailers, roads and crane pads Vestas Tower Crane TM can be used for increased flexibility during installation for Drive train Generator Hub Blades Easy to transport and have increased flexibility 8

9 The V MW is designed for safety through nacelle working- and service improvements Designed for safety Work area in nacelle increased by 60% over previous Vestas turbines Full scale converter system integrated in rear frame Nacelle designed with technicians in the Virtual Reality Centre to ensure good working environment (easy access to tools, enough space to do service, etc) Service conditions improved by direct crane access to converter modules plug and play concept - for quick and safe maintenance. Internal crane can also be used for other components as well Switch gear is controlled via internet connection Serviceability build into design Example: Story boards describing exchange of all critical components Easy-to-understand storyboards Safety procedures & training, including training records Work area in the V MW is unprecedented on the turbine market 9

10 Vestas virtual technology Allows our R&D team to almost have the prototype at home before it has been manufactured shorter time to market and lots of troubles solved at early stages Virtual Reality helps you make sure that service technicians can perform their jobs safely Visualisation and simulation technique allows Vestas to communicate and move knowledge much faster to you Easy training of staff 10

11 Design based on proven technology of previous Vestas wind turbines Permanent magnet generator & Full scale converter Simple and effective power system with high efficiency and excellent fault ride through capabilities PM generator: joint designed by Vestas, Boston and VND. Proved and tested on a V MW for more than a year Pitch System Design based on the robust V MW concept Double feeding pump system ensuring redundancy and reliability Blade Design based on V MW, while 55% larger swept area over V MW enables for outstanding energy yield Large root diameter (Φ2.6 m) ensures blade bearing performance along the turbine life Vestas CoolerTop TM Design based on V82 technology Free flowing cooler instead of electrical fans less noise and comsuption Fewer moving parts reduce maintenance requirements and costs Conventional drive train Design based on V82 technology Drive train based on prior WTG s with traditional main shaft and dampening Yaw System: Design based on V MW and V MW best from both systems. 8 yaw gears Robust technology High reliability 11

12 Design based on proven technology of previous Vestas wind turbines By handling real-time data from 15,500 turbines... we know more about wind than anyone else. And specially we have learnt from our more than 30 years experience in operating turbines in more than 63 countries world wide 12

13 Testing concludes that the V MW lives up to all Vestas standards for safety, performance and reliability. Before going to site, reliability of new developments is achieved through state-of-the-art testing Vestas wind turbine test center Aarhus, Denmark 71,042 square feet located close to Vestas Technology s eadquater Opened in December 2007 The world larges wind turbine test center Quality Assurance HALT test ensures first item is quality The V MW has been tested at various levels: Component level gearbox tested separately Module level gearbox tested in bed frame with main shaft Systems level drive train tested together with cooling system Turbine level Prototype test Up to 12 MW Gearbox test bench at Vestas Test Centre, Aarhus, Denmark The V MW has been tested at various levels 13

14 The V MW is designed to optimize lifetime performance and components are produced around the policy 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 Component performance policy (less than 10% of components produced fail over 20 years) is realised Component standardization policy 6 sigma (For some parts the sigma standardization level is lover) Optimized for lifetime performance 14

15 The V MW is built for easy installation and maintenance to secure safety and eliminate down time Design features Modular systems plug and play Vestas Tower Crane can be used during installation and for maintenance 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 Designed for good service access - Advanced 3D tools used for optimal nacelle layout during design phase 6 Sigma Quality Assurance 15

16 For The V MW an asset management and operation risk mitigation is offered The V is designed for 1-year service interval and service arrangements is possibly Designed for 1-year service interval. This means components are chosen to fulfill this requirement. No other standard turbine on the market fulfills these demands Systems for lubrication of components is standard.. Electrical components are modular and easily exchangeable. The control system is split into modules supporting only one system which makes it easier and faster to service if an error occurs. The modules has integrated drivers and support systems so they can be replaced and operate soon after We believe in the product and will offer a long term service contract with availability guarantee Reliability, reduced maintenance time, and less frequent servicing 16

17 The first V112 erected in Denmark Erected and commissioned during Q1-2010, turbine is in operation undergoing the certification process. Rated power has been achieved and all expected performances are being step by step matched 17

18 Q&A? MUCHAS GRACIAS POR SU ATENCION. vestas.com