Transformers & substations

Coorgswarna · COO-918 series

Rating

2 MVA to 20 MVA (see variants)

Primary voltage

33 kV

Secondary voltage

Up to 1000 V

Application

SAF

Cooling

OFWF

Lead time 16-20 weeks · Warranty 24 months · MOQ 10 nos

Nilgirispark · NIL-AD3 series

Voltage class

11 kV to 66 kV (see variants)

Component

PRV

Current rating

3150 A

Insulation type

RIS

Creepage

31 mm/kV

Lead time 3-6 weeks · Warranty 24 months · MOQ 2 nos

Narmadapushpak · NAR-FF8 series

Rating

5 MVA to 10 MVA (see variants)

Voltage ratio

33/0.69/0.69 kV

Windings

Three (split LV)

Vector group

Dy11y11

Cooling

ONAN

Lead time 6-8 weeks · Warranty 36 months from supply · MOQ 2 nos

Konark · KON-2C6 series

Rating

50 kVA to 1600 kVA (see variants)

Type

Earthing (zig-zag)

Primary voltage

132 kV

Secondary voltage

3.3 kV

Short-time rating

30 s

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

Mauryajal · MAU-173 series

Voltage class

33 kV to 220 kV (see variants)

Component

Radiator

Current rating

630 A

Insulation type

RIP

Creepage

31 mm/kV

Lead time 3-6 weeks · Warranty 18 months · MOQ 1 nos

Konark · KON-757 series

Rating

80 MVAr to 200 MVAr (see variants)

System voltage

220 kV

Type

Series

Construction

Oil-immersed gapped core

Phases

Single

Lead time 40-50 weeks · Warranty 36 months from supply · MOQ 10 nos

Godavari · GOD-D27 series

Rating

31.5 MVA to 160 MVA (see variants)

Voltage ratio

66/11 kV

Cooling

ONAN/ONAF

Vector group

YNa0d11

Tap changer

OLTC +/- 10% in 16 steps

Lead time 30-40 weeks · Warranty 36 months from supply · MOQ 1 nos

Sabarmati · SAB-551 series

Rating

100 kVA to 2500 kVA (see variants)

Voltage ratio

22/0.433 kV

Vector group

Dyn11

Cooling

ONAN

Energy efficiency level

Level 2

Lead time 2-3 weeks · Warranty 12 months from commissioning · MOQ 5 nos

Mauryajal · MAU-387 series

Gases monitored

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

Gases measured

H2, CO, C2H2

Technology

Infrared

Measurement interval

4 hours

Accuracy

+/- 5%

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

Godavari · GOD-A88 series

Rating

100 kVA to 3150 kVA (see variants)

Type

Earthing (zig-zag)

Primary voltage

11 kV

Secondary voltage

0.433 kV

Short-time rating

10 s

Lead time 8-10 weeks · Warranty 18 months · MOQ 2 nos

Godavari · GOD-FC8 series

Rating

50 MVAr to 200 MVAr (see variants)

System voltage

132 kV

Type

Shunt

Construction

Oil-immersed gapped core

Phases

Three

Lead time 20-28 weeks · Warranty 36 months from supply · MOQ 1 nos

Ajantajyoti · AJA-F95 series

Rating

250 kVA to 2500 kVA (see variants)

Voltage ratio

33/0.433 kV

Technology

Cast resin

Insulation class

Class F

Cooling

AN/AF

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

Coorgswarna · COO-5D6 series

Rating

25 MVAr to 200 MVAr (see variants)

System voltage

400 kV

Type

Neutral

Construction

Oil-immersed gapped core

Phases

Single

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

Madurai · MAD-BD4 series

System voltage

33 kV to 132 kV (see variants)

Type

CVT

Ratio

1200-2400/1 A

Accuracy class

0.5

Burden

30 VA

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

Kutchwatt · KUT-7B7 series

Rating

3.15 MVA to 12.5 MVA (see variants)

Voltage ratio

33/0.69 kV

Windings

Two

Vector group

Dy11y11

Cooling

ONAN

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

Kaverianant · KAV-033 series

Transformer rating

10 MVA to 63 MVA (see variants)

Primary voltage

220 kV

Secondary voltage

11 kV

Chassis

Skid

Primary switchgear

GIS bay

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

Kakatiya · KAK-C46 series

System voltage

11 kV to 400 kV (see variants)

Type

Combined CT-PT

Ratio

1200-2400/1 A

Accuracy class

0.2S

Burden

15 VA

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

Nilgirispark · NIL-F94 series

Rating

100 kVA to 500 kVA (see variants)

Voltage ratio

11/0.433 kV

Technology

VPI

Insulation class

Class H

Cooling

AN/AF

Lead time 4-6 weeks · Warranty 36 months · MOQ 2 nos

Amaravati · AMA-576 series

Transformer rating

250 kVA to 1600 kVA (see variants)

Primary voltage

22 kV

Secondary voltage

0.433 kV

HV equipment

Ring main unit

Transformer type

Cast resin dry

Lead time 6-8 weeks · Warranty 18 months · MOQ 10 nos

Coromandel · COR-9F4 series

Gases monitored

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

Gases measured

H2, CO

Technology

Photoacoustic

Measurement interval

24 hours

Accuracy

+/- 5%

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

Ajantajyoti · AJA-2B3 series

Rating

25 MVAr to 200 MVAr (see variants)

System voltage

132 kV

Type

Shunt

Construction

Air-core dry

Phases

Single

Lead time 40-50 weeks · Warranty 24 months from commissioning · MOQ 5 nos

Kutchwatt · KUT-031 series

Transformer rating

20 MVA to 63 MVA (see variants)

Primary voltage

220 kV

Secondary voltage

11 kV

Chassis

Skid

Primary switchgear

GIS bay

Lead time 30-40 weeks · Warranty 36 months · MOQ 2 nos

Ajantajyoti · AJA-C08 series

Rating

315 kVA to 1000 kVA (see variants)

Type

Station service

Primary voltage

33 kV

Secondary voltage

0.433 kV

Short-time rating

30 s

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

Taxilaurja · TAX-0E5 series

Rating

100 kVA to 1600 kVA (see variants)

Voltage ratio

33/0.433 kV

Technology

VPI

Insulation class

Class H

Cooling

AN/AF

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