ECOTECNIA 100: On-shore Multi Mega-Watt Windturbine Juan Mª Cámara 28th February 2006.

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Presentation transcript:

ECOTECNIA 100: On-shore Multi Mega-Watt Windturbine Juan Mª Cámara 28th February 2006

Setting the new standard for on-shore application 100m - 3 MW

The size Wind turbine development

Offshore Onshore The size Future evolution trends

Use oriented design Lifecycle DesignManufactureInstallationOperation

Electrical capacity Simultaneous full range operation at nominal power Operating temperature 40 °C Operating Voltage 90 % Reactive Power Supply 30 %

Noise requirements Low speed rotation to reduce noise inmission At low level noise, the difference in rotational speed pays a important role 100m 500m

Main figures for transport and installation LengthWeightCross dim. Blade48,3 m9,8t3x3x50m TowerMax. 30 m30tDia. 4,30 Nacelle9,5 m100 t4.3 x 3,9 m (h) Rotor5 m25 t4,3 x 4,5 m Logistics

Nacelle Complete drive train, from rotor to HV

Nacelle Complete drive train, from rotor to HV

Nacelle Approach on logistics challenge

Supporting estructure Low weight, direct rotor support since 1983

Excellent mass - stiffness ratio: Only 9.8 tons without use of carbon fiber Wind class IEC IIA : 3 m Prebend Up to date aerodynamics; New profiles DU and experienced NACA Stronger and more compact Superroot: Root diameter 2.4m, 84 x M36 Bolts The Blade Specific design, 48 m length, 4 m largest chord

The tower The other side of the logistic challenge The tower is built, without dynamic compromises, in steel up to 80 m height with the transport requirements of diameter smaller than 4.3 m. Hybrid towers are designed taller hub height

Power 3,000 kW Rotor Three bladed, 100 m diameter Class II A with upwind Rotor speed 7.5 r.p.m at nominal power Operation From 3 m/s to 25 m/s 10 min. Avg. Gearbox Type Planetary, parallel shafts Weight 35 t Generator Type 4 pole Induction with wound rotor TransformerIncluded up to 30 kV General characteristics Nacelle Turbine

Bottom diameter 5 m Top diameter 2.7 m Height 90 m to 110 m Power control Vectorial control generator-inverter Speed control Pitch control Main brake Independent pitch control Auxiliary brake Independent emergency system Yaw Active, with mechanical brake Voltage deep Capacity to maintain operation during voltage deep General characteristics Tower Control

Thank you