Siemens Gamesa SG 94 – 94m Offshore Wind Turbine Blade | Rotor Diameter 80–94m, B75 Aerofoil, Carbon-Enhanced Composite | Designed for Harsh Marine Environments
Wind & Hydro Power
Small Hydro-Power Turbines
₹240,000,000
Description
Siemens Gamesa SG 94 – 94m Offshore Wind Turbine Blade
Overview
The Siemens Gamesa SG 94 is a high-performance offshore wind turbine blade engineered for direct-drive offshore turbines with rotor diameters of 80m to 94m. At 94 meters in length, it is one of the longest blades deployed in the global offshore fleet, designed for maximum energy capture, structural resilience, and corrosion resistance in extreme marine conditions—positioning it as a key candidate for India’s upcoming offshore wind projects off Tamil Nadu and Gujarat coasts.
Key Features
- Blade Length: 94 meters
- Compatible Rotor Diameter: 80m – 94m (typically paired with 3.6 MW to 4.0 MW offshore turbines)
- Aerofoil Design: B75 profile – optimized for low-wind, high-turbulence offshore sites
- Material: Glass-fiber-reinforced epoxy + carbon spar caps for stiffness-to-weight ratio
- Marine Protection:
- Leading-edge erosion coating (resistant to salt spray, rain, sand)
- Anti-corrosion gel coat and sealed root joints
- Integrated Systems:
- Full lightning protection system (LPS) with multi-point receptors
- Embedded sensors for structural health monitoring (SHM)
- Noise Optimization: Trailing-edge serrations for reduced acoustic impact
Technical Highlights
- Weight: Approx. 28,500 kg → listed in kg
- Design Life: 25+ years in Category D (harsh offshore) environments
- Certifications: IEC 61400-23, DNV-GL offshore standards, ISO 9001
- Manufacturing: Produced in Siemens Gamesa’s global offshore blade facilities (Europe); potential for future Indian localization
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