Our Turbines
Our Turbines
Our turbines are built on technology proven over several generations, ensuring industry –leading reliability, serviceability and availability. Durable and dependable, designed to reduce the risk of downtime and safeguard the stability of your investment.
With an average availability above 95%, these turbines reduces cost and business risk to an unparalleled level. Their design and performance ensure that you can produce energy from low, medium, or high wind onshore and island sites at the lowest possible cost.
The latest generation of the SIVA range of turbines incorporates improved yaw system and, quality components from the best among European suppliers, – lowering your operating costs by simplifying turbine serviceability.
Siva 250/50kW
Rated Capacity 250kW
Tower Heights: 30 / 40 / 50m
Rotor Diameter: 30 Diameter
Tower Type: Steel monopole
Uses: Farms, dairy and food processing sites, machine shops, factories, mid-sized municipality needs such as wastewater treatment and locally owned/Co-operative generation scenarios With AEP Table.
Certification : Siva 250/50 has been deployed since the year 2008. IEC 61400-11 Type certified by DNV, Denmark in the year 2008 and IEC 61400-13 Load measurements,IEC 61400-12-1 Power curve Measurements carried out by Centre for Wind Energy Technology (CWET) Govt.of India, an accredited laboratory is the most successful model among all Siva turbine ranges.
Siva U57 - 750kW
Rated Capacity 750kW
Tower Heights: 50 / 60 / 68m
Rotor Diameter: 57 Diameter
Tower Type: Steel monopole
Uses: medium to large farms, dairy and food processing sites, larger municipality needs such as wastewater treatment, locally owned/Co-operative generation scenarios, and suitable for larger schools and colleges.-With AEP Table
General | |||
Type | Horizontal axis, Upwind | ||
Rated Power | 750kW | ||
Model | U50 | U54 | U57 |
Design Class | IEC IA | EC IIA | IEC IIIA |
Hub Height | 50m | 60m | 68m |
Cut-in-speed | 3m/s | 3m/s | 3m/s |
Rated | 12.5 m/s | 11.5 m/s | 11.5 m/s |
Cut-Out | 25 m/s | 25 m/s | 25 m/s |
Rotor | |||
Diameter | 50m | 54m | 57m |
Swept Area | 1,964 | 2,290 | 2,552 |
Tip Speed | 65.4 m/s | 70.7 m/s | 74.6 m/s |
Material | Glass / Epoxy | ||
Tilt Angle | 5 deg | ||
Cone angle | 2.5 deg | ||
Operation RPM | Variable, 9 - 28 rpm | ||
Primary brake | Blade pitch (aerodynamic) | ||
Pitch System | |
Type | Independent blade pitch |
Drive | DC electric servo-drive |
Drive train | |
Type | Direct drive |
Rated Power | 850kW |
Hub | |||
Type | Spherical Graphite Iron Casting | ||
Parking brake | |||
Type | 4 discs, Active hydraulic | ||
Machine frame | |||
Type | Hot rolled steel, single piece, welds | ||
Controller | |
Processor | Micro-Processor based PLC |
Remote Control | Web based (Via ethemer and modern) |
Generator | ||||
Type | Permanent Magnet, Synchronous | |||
Rated Power | 805kW | |||
Voltage | 780V | |||
Enclosure | IP 54 | |||
Cooling | Water-cooled | |||
Grid compatibility | |
Frequency | fn = 1Hz during 0.1 sec |
Over Voltage | 690 VAC x 110% during 0.1 sec |
Under Voltage | 690 VAC x 90% during 0.1 sec |
Service crane | |||
On-board | 250kg crane | ||
Power Converter | |
Type | AC/DC/AC IGBT Inverter |
Voltage | 690V |
Frequency | 50/60Hz |
Tower | |||
Type | Tubular | ||
Hub height | 50m | 60m | 68m |
Number of Sections | 2 | 2 | 3 |
Yaw Systems | |
Type | Active |
Drive | 3x Asynchronous motor |
Brake | Active hydraulic disk brakes |
Yaw bearing | Ball bearning |
Temperature Conditions | |
Standard | Operate -15 ~+ 40 °C |
Stand Still -20 ~+ 55 °C | |
Cold Climate | Operate -30 ~+ 40 °C |
Stand Still -40 ~+ 55 °C | |
Lightning Protection | |
Blade | 1 receptor, internal ground conductor |
Nacelle | Lightning brush |
Standard | According to IEC61400-24 |
Experience
installation & project development
Meet the team
Velumani Vaidappan
CEO
Padma Kasthurirangan
COO/CTO
Varunkumar Velumani
CFO
Heather Rhoads
Grant Writing Consultant
Installation Partners
Siva will sell systems directly to authorized installers. Contact us today to become an authorized installer or find a local authorized installer.