Doaba Drives & Controls (Sample)

Doaba · DOA-245 series

Rating

1 MVAr to 25 MVAr (see variants)

Voltage

11 kV

Topology

3-level IGBT

Response time

< 5 ms

Compensation

Capacitive and inductive, bidirectional

Lead time 16-24 weeks · Warranty 36 months with AMC · MOQ 1 nos

Doaba · DOA-849 series

Rating

400 kVAr to 25 MVAr (see variants)

Voltage

415 V

Topology

Cascaded H-bridge (MV)

Response time

< 10 ms

Compensation

Capacitive and inductive, bidirectional

Lead time 16-24 weeks · Warranty 36 months with AMC · MOQ 10 nos

Doaba · DOA-C14 series

Rating

25 kVA to 100 kVA (see variants)

Input range

160-270 V (1-ph)

Output voltage

230 V ±1%

Phases

1-ph

Correction speed

35 V/s (servo)

Lead time 1-2 weeks · Warranty 24 months from commissioning · MOQ 1 nos

Doaba · DOA-D94 series

Rating

25 kVA to 400 kVA (see variants)

Input range

160-270 V (1-ph)

Output voltage

415 V ±3%

Phases

3-ph, 4-wire

Correction speed

< 20 ms (static)

Lead time 3-5 weeks · Warranty 24 months from commissioning · MOQ 1 nos

Doaba · DOA-768 series

Rating

100 kVAr to 600 kVAr (see variants)

Rated voltage

415 V

Capacitor type

Self-healing dry

Switching

Contactor

Detuning

14% (134 Hz)

Lead time 2-3 weeks · Warranty 18 months from supply · MOQ 1 nos

Doaba · DOA-614 series

Rating

100 kVAr to 800 kVAr (see variants)

Rated voltage

415 V

Capacitor type

Heavy-duty MPP

Switching

Thyristor

Detuning

14% (134 Hz)

Lead time 2-3 weeks · Warranty 18 months from supply · MOQ 1 nos

Doaba · DOA-7D3 series

Rating

10 kVAr to 200 kVAr (see variants)

Detuning factor

14% (134 Hz)

Rated voltage

415 V

Core

CRGO silicon steel, gapped

Winding

Aluminium

Lead time 4-6 weeks · Warranty 12 months from commissioning · MOQ 10 nos

Doaba · DOA-D74 series

Rating

25 kVAr to 400 kVAr (see variants)

Detuning factor

7% (189 Hz)

Rated voltage

415 V

Core

CRGO silicon steel, gapped

Winding

Aluminium

Lead time 2-3 weeks · Warranty 12 months from commissioning · MOQ 1 nos

Doaba · DOA-226 series

Filter rating

200 kVAr to 500 kVAr (see variants)

Tuned to

5th

Voltage

415 V

Reactor core

CRGO laminated

Reactor insulation

Class H

Lead time 3-4 weeks · Warranty 24 months from supply · MOQ 5 nos

Doaba · DOA-134 series

Rating

1000 kW to 5000 kW (see variants)

Output voltage

11 kV

Topology

NPC 3-level

Input harmonics

Below IEEE 519 (18/24/36-pulse)

Power factor

> 0.95 at full speed range

Lead time 22-30 weeks · Warranty 36 months from supply · MOQ 10 nos

Doaba · DOA-AB4 series

Rating

3500 kW to 8000 kW (see variants)

Output voltage

11 kV

Topology

NPC 3-level

Input harmonics

Below IEEE 519 (18/24/36-pulse)

Power factor

> 0.95 at full speed range

Lead time 14-18 weeks · Warranty 36 months from supply · MOQ 10 nos

Doaba · DOA-0B5 series

Rating

5 kVA to 50 kVA (see variants)

Primary voltage

380-440 V

Secondary voltage

415 V

Phases

1-ph

Winding

Copper

Lead time 4-6 weeks · Warranty 24 months from supply · MOQ 5 nos

Doaba · DOA-4B2 series

Compensation current

30 A to 200 A (see variants)

Voltage

3-ph 480 V

Wires

4-wire

Harmonic order

2nd to 25th

Response time

< 100 µs sampling

Lead time 6-8 weeks · Warranty 24 months from commissioning · MOQ 1 nos

Doaba · DOA-0F7 series

Rating

15 kW to 250 kW (see variants)

Input voltage

3-ph 415 V ±10%

Control mode

Sensorless vector

Overload

150% 60 s (constant torque)

Protection class

IP66

Lead time 3-5 weeks · Warranty 24 months from supply · MOQ 10 nos

Doaba · DOA-834 series

Rating

2 MVAr to 80 MVAr (see variants)

System voltage

66 kV

Configuration

TCR + TSC

Thyristor valve

Water-cooled

Response time

< 20 ms

Lead time 20-28 weeks · Warranty 24 months from commissioning · MOQ 1 nos

Doaba · DOA-726 series

Rating

10 MVAr to 80 MVAr (see variants)

System voltage

132 kV

Configuration

TCR + TSC

Thyristor valve

Water-cooled

Response time

< 20 ms

Lead time 30-40 weeks · Warranty 24 months from commissioning · MOQ 1 nos