Transformers & substations

Amaravati · AMA-034 series

Transformer rating

5 MVA to 63 MVA (see variants)

Primary voltage

132 kV

Secondary voltage

33 kV

Chassis

Low-bed trailer

Primary switchgear

AIS disconnector and breaker

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

Madurai · MAD-5D7 series

Rating

5 MVAr to 50 MVAr (see variants)

System voltage

220 kV

Type

Shunt

Construction

Oil-immersed gapped core

Phases

Three

Lead time 20-28 weeks · Warranty 24 months from commissioning · MOQ 5 nos

Kaverianant · KAV-346 series

Transformer rating

5 MVA to 50 MVA (see variants)

Primary voltage

33 kV

Secondary voltage

33 kV

Chassis

Low-bed trailer

Primary switchgear

AIS disconnector and breaker

Lead time 30-40 weeks · Warranty 24 months · MOQ 2 nos

Samarthtek · SAM-D21 series

Rating

31.5 MVA to 315 MVA (see variants)

Voltage ratio

400/220 kV

Cooling

ONAN/ONAF/OFAF

Vector group

YNyn0 d11

Tap changer

OLTC +/- 10% in 16 steps

Lead time 30-40 weeks · Warranty 24 months from commissioning · MOQ 2 nos

Kutchwatt · KUT-2B9 series

Rating

2 MVA to 10 MVA (see variants)

Primary voltage

132 kV

Secondary voltage

Up to 1000 V

Application

Rectifier

Cooling

OFAF

Lead time 28-36 weeks · Warranty 24 months · MOQ 1 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

Kaverianant · KAV-432 series

Voltage class

11 kV to 66 kV (see variants)

Component

Radiator

Current rating

2000 A

Insulation type

RIS

Creepage

31 mm/kV

Lead time 12-20 weeks · Warranty 18 months · MOQ 1 nos

Chambal · CHA-9A1 series

Transformer rating

100 kVA to 630 kVA (see variants)

Primary voltage

22 kV

Secondary voltage

0.69 kV

HV equipment

Ring main unit

Transformer type

Cast resin dry

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

Mauryajal · MAU-342 series

Transformer rating

10 MVA to 31.5 MVA (see variants)

Primary voltage

220 kV

Secondary voltage

11 kV

Chassis

Low-bed trailer

Primary switchgear

GIS bay

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

Kakatiya · KAK-7D4 series

Transformer rating

10 MVA to 50 MVA (see variants)

Primary voltage

132 kV

Secondary voltage

33 kV

Chassis

Skid

Primary switchgear

AIS disconnector and breaker

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

Tamratek · TAM-693 series

Rating

5 MVA to 100 MVA (see variants)

Primary voltage

11 kV

Secondary voltage

Up to 400 V DC rectified

Application

SAF

Cooling

ONAN/ONAF

Lead time 16-20 weeks · Warranty 36 months from supply · MOQ 10 nos

Coorgswarna · COO-116 series

Transformer rating

250 kVA to 630 kVA (see variants)

Primary voltage

11 kV

Secondary voltage

0.433 kV

HV equipment

VCB panel

Transformer type

Oil-immersed

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

Konark · KON-F97 series

Rating

100 kVA to 500 kVA (see variants)

Voltage ratio

11/0.433 kV

Technology

VPI

Insulation class

Class H

Cooling

AN

Lead time 4-6 weeks · Warranty 24 months · MOQ 1 nos

Thanjavurprakash · THA-6C1 series

Transformer rating

100 kVA to 1000 kVA (see variants)

Primary voltage

33 kV

Secondary voltage

0.433 kV

HV equipment

Fuse switch

Transformer type

Cast resin dry

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

Hampiohm · HAM-2C6 series

Rating

50 kVA to 1600 kVA (see variants)

Type

Station service

Primary voltage

132 kV

Secondary voltage

0.433 kV

Short-time rating

30 s

Lead time 3-5 weeks · Warranty 18 months · MOQ 1 nos

Amaravati · AMA-BF8 series

Rating

40 MVA to 100 MVA (see variants)

Primary voltage

11 kV

Secondary voltage

Up to 1000 V

Application

LRF

Cooling

OFAF

Lead time 28-36 weeks · Warranty 24 months · MOQ 1 nos

Madurai · MAD-ED8 series

Rating

100 kVA to 1000 kVA (see variants)

Voltage ratio

11/0.433 kV

Technology

Cast resin

Insulation class

Class H

Cooling

AN

Lead time 8-10 weeks · Warranty 24 months · MOQ 2 nos

Samarthtek · SAM-484 series

Rating

16 kVA to 315 kVA (see variants)

Voltage ratio

11/0.433 kV

Vector group

Dyn11

Cooling

ONAN

Energy efficiency level

Level 2

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

Coorgswarna · COO-7D7 series

Transformer rating

20 MVA to 63 MVA (see variants)

Primary voltage

132 kV

Secondary voltage

33 kV

Chassis

Container

Primary switchgear

GIS bay

Lead time 30-40 weeks · Warranty 24 months · MOQ 5 nos

Samarthtek · SAM-FF3 series

Rating

3.15 MVA to 6.3 MVA (see variants)

Voltage ratio

33/0.69 kV

Windings

Two

Vector group

Dy11y11

Cooling

ONAN

Lead time 6-8 weeks · Warranty 24 months from commissioning · MOQ 5 nos

Ajantajyoti · AJA-F36 series

Gases monitored

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

Gases measured

H2, CO, C2H2

Technology

Gas chromatography

Measurement interval

1 hour

Accuracy

+/- 5%

Lead time 4-6 weeks · Warranty 24 months · MOQ 10 nos

Ajantajyoti · AJA-BF5 series

Rating

10 MVA to 100 MVA (see variants)

Primary voltage

66 kV

Secondary voltage

Up to 400 V DC rectified

Application

SAF

Cooling

ONAN/ONAF

Lead time 16-20 weeks · Warranty 36 months from supply · MOQ 10 nos

Kutchwatt · KUT-C06 series

Rating

315 kVA to 3150 kVA (see variants)

Type

Station service

Primary voltage

11 kV

Secondary voltage

3.3 kV

Short-time rating

30 s

Lead time 8-10 weeks · Warranty 24 months · MOQ 1 nos

Ajantajyoti · AJA-F39 series

Rating

315 kVA to 1600 kVA (see variants)

Type

Earthing (zig-zag)

Primary voltage

33 kV

Secondary voltage

3.3 kV

Short-time rating

30 s

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