Catalogue / Pitch & yaw systems
Yaw drive and brake set, Duo 7 seriesSample
by Doaba Wind Energy (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Doaba Duo 7 yaw drive and brake set, offered in 4 turbine class options from 2.0 MW to 4.0 MW. Highlights: closed loop position feedback, emergency feathering on grid loss and retrofit kit for legacy WTG. Typically used for wind farm O&M, spares for older fleets and retrofit and repowering. Designed and tested to IEC 61400-1, IEC 61400-25 and ISO 281. Lead time 10-14 weeks; delivers to North India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Doaba
- Model
- DOA-493 series
- Listing type
- Product
- Unit
- set
- Minimum order
- 1 set
- Lead time
- 10-14 weeks
- Warranty
- 24 months
- Standards
- IEC 61400-1, IEC 61400-25, ISO 281
- Delivers to
- North India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Steel skid with shrink wrap
- Delivery terms
- Door delivery in metro cities
- Returns
- Returns within 15 days if unused, in original packing
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Turbine class2.0 MWDOA-493-01 | Turbine class: 2.0 MW | 1 set · 10-14 weeks | for verified buyers |
| Turbine class2.5 MWDOA-493-02 | Turbine class: 2.5 MW | 1 set · 10-14 weeks | for verified buyers |
| Turbine class3.0 MWDOA-493-03 | Turbine class: 3.0 MW | 1 set · 10-14 weeks | for verified buyers |
| Turbine class4.0 MWDOA-493-04 | Turbine class: 4.0 MW | 1 set · 10-14 weeks | for verified buyers |
Specifications
| Turbine class | 2.0 MW to 4.0 MW (see variants) |
|---|---|
| System type | Electric pitch |
| Motor | DC series woundmade to order: AC servo |
| Backup supply | Ultracapacitormade to order: Lead-acid battery |
| Gearbox | Planetary 1:200 |
| Yaw brake | Friction bushing |
| Number of yaw drives | 4 |
| Slewing bearing | Double-row ballmade to order: Four-point contact |
| Control interface | Ethernet |
| Ingress protection | IP65 |
| Operating temperature | -30 to +50 C |