Siva 250kW Wind Turbine
Built on two decades of operational discipline, the Siva 250kW delivers 98.6% annual availability across C&I, captive power, and microgrid installations worldwide. Optimised for diverse wind regimes and proven across extreme climates.
Why Siva 250kW
- Proven track record from arctic to tropical conditions
- Perfect for low-wind speed sites
- Engineered for long-term reliability and grid stability
- High annual availability and minimal maintenance
- Ideal for grid connected, captive and hybrid projects
Specifications
Technical Specifications
| Operational Data | |
| Rated Power | 250kW |
| Rated Wind Speed | 14 m/s |
| Cut-in Wind Speed | 3-4 m/s |
| Cut-out Wind Speed | 25 m/s |
| Rotor | |
| Rotor Diameter | 30 / 29 m |
| Swept Area | 307 m² |
| Number of Blades | 3 |
| Rotor Speed | 40 / 24 rpm |
| Drive Train | |
| Gear Type | Helical, 3-stage |
| Gear Ratio | 1:37 |
| Main Shaft | High-quality forged shaft |
| Main Bearing | Spherical roller bearing |
| Cooling | Heat exchanger with pump |
| Generator | |
| Type | Asynchronous, 4/6 pole |
| Voltage | 400 / 480 V |
| Frequency | 50 / 60 Hz |
| Cooling | Closed-circuit liquid cooling |
| Control System | |
| Control Type | Microprocessor-based control |
| Regulation | Soft-by-thrust regulation |
| Compensation | No-load compensation |
| Monitoring | Remote monitoring and modem connectivity |
| Yaw & Safety | |
| Yaw System | Ball bearing yaw system |
| Yaw Drive | Electric planetary yaw drive |
| Brake System | Hydraulic fail-safe brake system |
| Sensors | Rotor, generator, temperature, vibration & wind sensors |
| Tower Options | |
| Tower Type | Conical Steel Tower (Tubular, PU Painted) Lattice Tower (Hot Dip Galvanized Steel Structure) |
| Hub Heights | 50 m / 45 m / 40 m / 30 m |
Features
Key Features
Geared Drive System
Precision-engineered 3-stage gearbox with heavy-duty asynchronous generator and mechanically optimised drivetrain for consistent performance.
Low Wind Speed Optimization
Engineered to extract peak output from low and medium wind regimes. Activates at 3-4 m/s wind speed.
Grid Stable Power Output
Stable AC grid output with harmonics-free power generation and active voltage and reactive power regulation.
Hybrid and Captive Ready
Seamlessly fits into wind-solar hybrid configurations. Built for captive power consumption and microgrids.
Remote Monitoring
Fully integrated with SCADA and CMS for remote diagnostics, performance monitoring, and faster fault resolution.
Advanced Cooling
Industrial-grade cooling architecture for extended lubricant life and lower maintenance costs.
Performance
Performance and Reliability
The SIVA 250kW is an IEC certified turbine platform that is battle-tested across 100+ installations worldwide with 98.6% average annual availability.
Grid Compatibility
Full load and dynamic phase compensation, continuous active and reactive power regulation, intelligent voltage balancing, and harmonics-free output for uninterrupted generation during grid disturbances.
Installation Flexibility
Adapts to single turbine installations, scalable multi-turbine wind parks, and grid-connected or fully off-grid configurations. Standard container-compatible for simplified logistics.
Support
Service & Maintenance
Direct service by Siva or certified local partners across all markets. Spare parts availability guaranteed across the full 20-year turbine lifetime with global support network ensuring rapid response wherever you operate.
Quality
Quality & Certification
Every SIVA 250kW leaves our Perundurai facility under a DIN EN ISO 9001:2015 certified quality management system, built to deliver consistent performance from day one to year twenty.
