Madurai Transformer Works (Sample)

Madurai · MAD-AD4 series

Voltage class

11 kV to 220 kV (see variants)

Component

OTI/WTI

Current rating

2000 A

Insulation type

RIP

Creepage

25 mm/kV

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

Madurai · MAD-031 series

Transformer rating

10 MVA to 63 MVA (see variants)

Primary voltage

66 kV

Secondary voltage

33 kV

Chassis

Skid

Primary switchgear

AIS disconnector and breaker

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

Madurai · MAD-342 series

Transformer rating

5 MVA to 63 MVA (see variants)

Primary voltage

66 kV

Secondary voltage

11 kV

Chassis

Skid

Primary switchgear

AIS disconnector and breaker

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

Madurai · MAD-C15 series

Rating

100 kVA to 1000 kVA (see variants)

Voltage ratio

11/0.433 kV

Vector group

Dyn11

Cooling

ONAN

Energy efficiency level

Level 1

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

Madurai · MAD-9A6 series

Transformer rating

630 kVA to 2000 kVA (see variants)

Primary voltage

11 kV

Secondary voltage

0.433 kV

HV equipment

VCB panel

Transformer type

Cast resin dry

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

Madurai · MAD-203 series

Rating

1 MVA to 6.3 MVA (see variants)

Voltage ratio

33/0.69/0.69 kV

Windings

Two

Vector group

Dy11y11

Cooling

ONAN

Lead time 6-8 weeks · Warranty 36 months from supply · MOQ 10 nos

Madurai · MAD-351 series

Rating

20 MVA to 100 MVA (see variants)

Voltage ratio

33/11 kV

Cooling

ONAN/ONAF

Vector group

YNyn0 d11

Tap changer

OLTC +/- 10% in 16 steps

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

Madurai · MAD-C06 series

Rating

315 kVA to 1600 kVA (see variants)

Type

Earthing (zig-zag)

Primary voltage

132 kV

Secondary voltage

3.3 kV

Short-time rating

10 s

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

Madurai · MAD-C47 series

System voltage

33 kV to 400 kV (see variants)

Type

Current transformer

Ratio

100-200/1 A

Accuracy class

PS

Burden

15 VA

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

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

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

Madurai · MAD-0E5 series

Rating

100 kVA to 2500 kVA (see variants)

Voltage ratio

11/0.433 kV

Technology

Cast resin

Insulation class

Class H

Cooling

AN

Lead time 4-6 weeks · Warranty 36 months · MOQ 1 nos

Madurai · MAD-381 series

Gases monitored

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

Gases measured

H2, CO

Technology

Gas chromatography

Measurement interval

1 hour

Accuracy

+/- 5%

Lead time 8-10 weeks · Warranty 24 months · MOQ 5 nos

Madurai · MAD-2B1 series

Rating

5 MVA to 100 MVA (see variants)

Primary voltage

66 kV

Secondary voltage

Up to 400 V DC rectified

Application

LRF

Cooling

ONAN/ONAF

Lead time 16-20 weeks · Warranty 24 months · MOQ 1 nos