Brahmaputra Transformers (Sample)

Brahmaputra · BRA-207 series

Rating

3.15 MVA to 10 MVA (see variants)

Voltage ratio

33/0.69 kV

Windings

Three (split LV)

Vector group

Dyn11

Cooling

ONAN

Lead time 10-14 weeks · Warranty 24 months from commissioning · MOQ 2 nos

Brahmaputra · BRA-F57 series

Rating

3.15 MVA to 6.3 MVA (see variants)

Voltage ratio

33/0.69/0.69 kV

Windings

Two

Vector group

Dyn11

Cooling

ONAN

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

Brahmaputra · BRA-697 series

Rating

20 MVA to 60 MVA (see variants)

Primary voltage

66 kV

Secondary voltage

Up to 1000 V

Application

Rectifier

Cooling

OFWF

Lead time 28-36 weeks · Warranty 36 months from supply · MOQ 1 nos

Brahmaputra · BRA-282 series

Voltage class

11 kV to 220 kV (see variants)

Component

Radiator

Current rating

2000 A

Insulation type

OIP

Creepage

25 mm/kV

Lead time 12-20 weeks · Warranty 24 months · MOQ 1 nos

Brahmaputra · BRA-AD6 series

Voltage class

11 kV to 400 kV (see variants)

Component

Bushing

Current rating

1250 A

Insulation type

OIP

Creepage

25 mm/kV

Lead time 12-20 weeks · Warranty 18 months · MOQ 2 nos

Brahmaputra · BRA-2B2 series

Rating

5 MVAr to 125 MVAr (see variants)

System voltage

220 kV

Type

Neutral

Construction

Air-core dry

Phases

Three

Lead time 20-28 weeks · Warranty 24 months from commissioning · MOQ 2 nos

Brahmaputra · BRA-322 series

Transformer rating

100 kVA to 1000 kVA (see variants)

Primary voltage

33 kV

Secondary voltage

0.69 kV

HV equipment

Fuse switch

Transformer type

Oil-immersed

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

Brahmaputra · BRA-9A4 series

Transformer rating

500 kVA to 1600 kVA (see variants)

Primary voltage

22 kV

Secondary voltage

0.69 kV

HV equipment

Fuse switch

Transformer type

Cast resin dry

Lead time 10-14 weeks · Warranty 18 months · MOQ 1 nos

Brahmaputra · BRA-F36 series

Rating

630 kVA to 1600 kVA (see variants)

Type

Earthing (zig-zag)

Primary voltage

11 kV

Secondary voltage

3.3 kV

Short-time rating

10 s

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

Brahmaputra · BRA-2C8 series

Rating

100 kVA to 3150 kVA (see variants)

Type

Auxiliary (Dyn11)

Primary voltage

33 kV

Secondary voltage

3.3 kV

Short-time rating

10 s

Lead time 8-10 weeks · Warranty 24 months · MOQ 10 nos

Brahmaputra · BRA-F73 series

Rating

20 MVA to 160 MVA (see variants)

Voltage ratio

220/132 kV

Cooling

ONAN/ONAF

Vector group

YNyn0 d11

Tap changer

OLTC +/- 10% in 16 steps

Lead time 16-24 weeks · Warranty 36 months from supply · MOQ 5 nos

Brahmaputra · BRA-C11 series

Rating

200 kVA to 1000 kVA (see variants)

Voltage ratio

11/0.433 kV

Vector group

Dyn11

Cooling

ONAN

Energy efficiency level

Level 2

Lead time 4-6 weeks · Warranty 18 months from supply · MOQ 1 nos

Brahmaputra · BRA-8E8 series

Transformer rating

20 MVA to 63 MVA (see variants)

Primary voltage

33 kV

Secondary voltage

11 kV

Chassis

Low-bed trailer

Primary switchgear

AIS disconnector and breaker

Lead time 16-24 weeks · Warranty 24 months · MOQ 2 nos

Brahmaputra · BRA-873 series

Gases monitored

Single gas (H2) to 9 gases (see variants)

Gases measured

H2, CO, CO2, CH4, C2H2, C2H4, C2H6

Technology

Gas chromatography

Measurement interval

4 hours

Accuracy

+/- 10%

Lead time 4-6 weeks · Warranty 36 months with AMC · MOQ 5 nos

Brahmaputra · BRA-799 series

System voltage

33 kV to 220 kV (see variants)

Type

Current transformer

Ratio

100-200/1 A

Accuracy class

5P20

Burden

15 VA

Lead time 4-6 weeks · Warranty 18 months · MOQ 1 nos

Brahmaputra · BRA-0F3 series

System voltage

11 kV to 400 kV (see variants)

Type

Current transformer

Ratio

100-200/1 A

Accuracy class

5P20

Burden

30 VA

Lead time 10-14 weeks · Warranty 18 months · MOQ 1 nos

Brahmaputra · BRA-0E4 series

Rating

1600 kVA to 5000 kVA (see variants)

Voltage ratio

11/0.433 kV

Technology

Cast resin

Insulation class

Class F

Cooling

AN/AF

Lead time 8-10 weeks · Warranty 36 months · MOQ 1 nos