Tejmark Power Transformers (Sample)

Tejmark · TEJ-7D3 series

Transformer rating

5 MVA to 63 MVA (see variants)

Primary voltage

220 kV

Secondary voltage

11 kV

Chassis

Low-bed trailer

Primary switchgear

GIS bay

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

Tejmark · TEJ-8E9 series

Transformer rating

10 MVA to 31.5 MVA (see variants)

Primary voltage

66 kV

Secondary voltage

33 kV

Chassis

Skid

Primary switchgear

GIS bay

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

Tejmark · TEJ-207 series

Rating

4 MVA to 12.5 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

Tejmark · TEJ-F91 series

Rating

250 kVA to 5000 kVA (see variants)

Voltage ratio

11/0.433 kV

Technology

Cast resin

Insulation class

Class H

Cooling

AN/AF

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

Tejmark · TEJ-642 series

Rating

20 MVA to 100 MVA (see variants)

Primary voltage

11 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

Tejmark · TEJ-322 series

Transformer rating

100 kVA to 1600 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

Tejmark · TEJ-6C5 series

Transformer rating

100 kVA to 1000 kVA (see variants)

Primary voltage

22 kV

Secondary voltage

0.69 kV

HV equipment

Ring main unit

Transformer type

Cast resin dry

Lead time 6-8 weeks · Warranty 18 months · MOQ 1 nos

Tejmark · TEJ-353 series

Rating

31.5 MVA to 160 MVA (see variants)

Voltage ratio

66/11 kV

Cooling

ONAN/ONAF/OFAF

Vector group

YNa0d11

Tap changer

OLTC 1.25% steps

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

Tejmark · TEJ-277 series

Rating

31.5 MVA to 315 MVA (see variants)

Voltage ratio

220/132 kV

Cooling

ONAN/ONAF/OFAF

Vector group

Dyn11

Tap changer

OLTC 1.25% steps

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

Tejmark · TEJ-2C3 series

Rating

25 MVAr to 125 MVAr (see variants)

System voltage

765 kV

Type

Shunt

Construction

Oil-immersed gapped core

Phases

Single

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

Tejmark · TEJ-759 series

Rating

25 MVAr to 125 MVAr (see variants)

System voltage

400 kV

Type

Shunt

Construction

Air-core dry

Phases

Single

Lead time 20-28 weeks · Warranty 24 months from commissioning · MOQ 10 nos

Tejmark · TEJ-984 series

System voltage

11 kV to 400 kV (see variants)

Type

Combined CT-PT

Ratio

100-200/1 A

Accuracy class

PS

Burden

15 VA

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

Tejmark · TEJ-5B7 series

Rating

16 kVA to 100 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 18 months from supply · MOQ 10 nos

Tejmark · TEJ-439 series

Voltage class

11 kV to 220 kV (see variants)

Component

Buchholz relay

Current rating

1250 A

Insulation type

RIP

Creepage

31 mm/kV

Lead time 3-6 weeks · Warranty 18 months · MOQ 10 nos

Tejmark · TEJ-9F1 series

Gases monitored

3 gases to 9 gases (see variants)

Gases measured

H2, CO

Technology

Infrared

Measurement interval

4 hours

Accuracy

+/- 5%

Lead time 4-6 weeks · Warranty 24 months · MOQ 2 nos

Tejmark · TEJ-FC5 series

Rating

50 kVA to 1600 kVA (see variants)

Type

Auxiliary (Dyn11)

Primary voltage

11 kV

Secondary voltage

3.3 kV

Short-time rating

30 s

Lead time 8-10 weeks · Warranty 18 months · MOQ 1 nos