Doaba Wind Energy (Sample)

Doaba · DOA-963 series

Turbine rating

600 kW to 2.5 MW (see variants)

Component

Generator

Gearbox stages

1 planetary + 2 helical

Gear ratio

1:90

Generator type

Squirrel cage

Lead time 4-8 weeks · Warranty 12 months · MOQ 10 nos

Doaba · DOA-E64 series

Converter rating

3000 kVA to 6000 kVA (see variants)

Converter type

DFIG partial

Output voltage

690 V

Switching device

IGBT

Cooling

Air

Lead time 8-12 weeks · Warranty 24 months · MOQ 1 nos

Doaba · DOA-671 series

Converter rating

600 kVA to 4000 kVA (see variants)

Converter type

Full-power back-to-back

Output voltage

3300 V

Switching device

IGBT

Cooling

Liquid

Lead time 8-12 weeks · Warranty 5 years extended · MOQ 1 nos

Doaba · DOA-015 series

Rated power

2.0 MW to 3.3 MW (see variants)

Rotor diameter

120 m

Hub height

80 m

Drive train

Medium-speed

Generator

DFIG

Lead time 9-12 months · Warranty 2 years comprehensive · MOQ 1 nos

Doaba · DOA-C55 series

Rated power

1.5 MW to 2.5 MW (see variants)

Rotor diameter

140 m

Hub height

80 m

Drive train

Geared

Generator

DFIG

Lead time 6-9 months · Warranty 2 years comprehensive · MOQ 5 nos

Doaba · DOA-3C5 series

Channels

4 channels to 32 channels (see variants)

Sensor type

Fibre Bragg grating

Sampling rate

51.2 kHz

Frequency range

0.1 Hz-10 kHz

Data storage

Local 128 GB

Lead time 3-5 weeks · Warranty 24 months · MOQ 2 set

Doaba · DOA-533 series

Channels

8 channels to 32 channels (see variants)

Sensor type

IEPE accelerometer

Sampling rate

25.6 kHz

Frequency range

0.1 Hz-10 kHz

Data storage

Local 128 GB

Lead time 6-8 weeks · Warranty 24 months · MOQ 1 set

Doaba · DOA-FF6 series

Measurement height

80 m to 200 m (see variants)

Instrument type

Met mast

Mast construction

Lattice

Sensors

Cup anemometer, vane, T/RH, pressure

Number of levels

10

Lead time 8-12 weeks · Warranty 24 months on logger and sensors · MOQ 1 set

Doaba · DOA-EA4 series

Measurement height

80 m to 140 m (see variants)

Instrument type

Met mast

Mast construction

Lattice

Sensors

Cup anemometer, vane, T/RH, pressure

Number of levels

6

Lead time 4-6 weeks · Warranty 12 months · MOQ 2 set

Doaba · DOA-781 series

Turbine rating

2.0 MW to 5.0 MW (see variants)

Component

Brake disc

Bearing type

Tapered roller double row

Bore diameter

700 mm

Material

SG iron 400-18

Lead time 12-16 weeks · Warranty 12 months · MOQ 5 nos

Doaba · DOA-D38 series

Turbine rating

2.0 MW to 3.6 MW (see variants)

Component

Bedplate

Bearing type

Tapered roller double row

Bore diameter

500 mm

Material

SG iron 400-18

Lead time 12-16 weeks · Warranty 24 months · MOQ 1 nos

Doaba · DOA-707 series

Hub height

110 m to 160 m (see variants)

Tower type

Hybrid concrete steel

Section count

5

Steel grade

S355NL

Wall thickness

14-40 mm

Lead time 10-14 weeks · Warranty 24 months · MOQ 1 nos

Doaba · DOA-918 series

Hub height

100 m to 160 m (see variants)

Tower type

Tubular steel

Section count

5

Steel grade

S355NL

Wall thickness

14-40 mm

Lead time 10-14 weeks · Warranty 24 months · MOQ 5 nos

Doaba · DOA-D91 series

Rated power

300 W to 5 kW (see variants)

Axis

Vertical

Number of blades

3

Rotor diameter

1.8 m

Output voltage

24 V DC

Lead time 2-3 weeks · Warranty 24 months · MOQ 10 nos

Doaba · DOA-493 series

Turbine class

2.0 MW to 4.0 MW (see variants)

System type

Electric pitch

Motor

DC series wound

Backup supply

Ultracapacitor

Gearbox

Planetary 1:200

Lead time 10-14 weeks · Warranty 24 months · MOQ 1 set

Doaba · DOA-462 series

Blade length

30 m to 60 m (see variants)

Material

Carbon-glass hybrid

Resin system

Polyester

Turbine class

IEC IIIA

Root diameter

2.4 m

Lead time 16-20 weeks · Warranty 5 years structural · MOQ 1 nos