Narmadapushpak Power Transformers (Sample)

Narmadapushpak · NAR-274 series

Rating

31.5 MVA to 500 MVA (see variants)

Voltage ratio

220/132 kV

Cooling

ONAN/ONAF/OFAF

Vector group

Dyn11

Tap changer

OLTC +/- 10% in 16 steps

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

Narmadapushpak · NAR-341 series

Transformer rating

10 MVA to 50 MVA (see variants)

Primary voltage

220 kV

Secondary voltage

33 kV

Chassis

Skid

Primary switchgear

AIS disconnector and breaker

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

Narmadapushpak · NAR-8B2 series

Rating

500 kVA to 5000 kVA (see variants)

Voltage ratio

22/0.433 kV

Technology

Cast resin

Insulation class

Class F

Cooling

AN/AF

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

Narmadapushpak · NAR-A84 series

Rating

100 kVA to 1600 kVA (see variants)

Type

Auxiliary (Dyn11)

Primary voltage

33 kV

Secondary voltage

0.433 kV

Short-time rating

10 s

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

Narmadapushpak · NAR-FC7 series

Rating

100 kVA to 1000 kVA (see variants)

Type

Station service

Primary voltage

33 kV

Secondary voltage

0.433 kV

Short-time rating

10 s

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

Narmadapushpak · NAR-434 series

Voltage class

33 kV to 220 kV (see variants)

Component

OLTC

Current rating

3150 A

Insulation type

OIP

Creepage

25 mm/kV

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

Narmadapushpak · NAR-486 series

Rating

63 kVA to 500 kVA (see variants)

Voltage ratio

22/0.433 kV

Vector group

Dyn11

Cooling

ONAN

Energy efficiency level

Amorphous

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

Narmadapushpak · NAR-F33 series

Gases monitored

Single gas (H2) to 7 gases (see variants)

Gases measured

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

Technology

Photoacoustic

Measurement interval

24 hours

Accuracy

+/- 10%

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

Narmadapushpak · NAR-FC5 series

Rating

5 MVAr to 50 MVAr (see variants)

System voltage

33 kV

Type

Series

Construction

Oil-immersed gapped core

Phases

Three

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

Narmadapushpak · NAR-5D4 series

Rating

5 MVAr to 50 MVAr (see variants)

System voltage

400 kV

Type

Neutral

Construction

Air-core dry

Phases

Single

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

Narmadapushpak · NAR-571 series

Transformer rating

250 kVA to 1000 kVA (see variants)

Primary voltage

11 kV

Secondary voltage

0.69 kV

HV equipment

VCB panel

Transformer type

Oil-immersed

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

Narmadapushpak · NAR-797 series

System voltage

33 kV to 400 kV (see variants)

Type

Current transformer

Ratio

400-800/1 A

Accuracy class

0.5

Burden

30 VA

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

Narmadapushpak · NAR-7B1 series

Rating

1 MVA to 5 MVA (see variants)

Voltage ratio

33/0.69 kV

Windings

Three (split LV)

Vector group

Dy11y11

Cooling

ONAN

Lead time 6-8 weeks · Warranty 36 months from supply · MOQ 1 nos

Narmadapushpak · NAR-641 series

Rating

10 MVA to 100 MVA (see variants)

Primary voltage

11 kV

Secondary voltage

Up to 400 V DC rectified

Application

LRF

Cooling

OFAF

Lead time 28-36 weeks · Warranty 24 months · MOQ 5 nos