Transmission & EHV Substations

Brahmaputraanant · BRA-436 series

Voltage class

11 kV to 400 kV (see variants)

Device

Sag monitor

Measured

Current

Accuracy

+/- 2% current

Communication

LoRaWAN

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

Sabarmati · SAB-C47 series

System voltage

132 kV to 400 kV (see variants)

Type

CVT

Ratio

1200-2400/1 A

Accuracy class

0.5

Burden

15 VA

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

Hoysalasudarshan · HOY-0A8 series

System voltage

12 kV to 420 kV (see variants)

Rated current

4000 A

Type

Double break

Earth switch

With 1 earth switch

Short-time current

25 kA

Lead time 6-8 weeks · Warranty 30 months from supply · MOQ 1 nos

Sabarmatideep · SAB-654 series

Rating

10 A to 200 A (see variants)

Output voltage

110 V

Input

415 V 3-ph

Topology

Thyristor

Voltage regulation

+/- 1%

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

Urjaline · URJ-065 series

Rating

10 MVA to 50 MVA (see variants)

Primary voltage

220 kV

Secondary voltage

2 x 27.5 kV

Connection

Scott

Cooling

ONAN/ONAF

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

Brahmaputraanant · BRA-015 series

Conductor / size

Spiral for 10-15 mm to Anti-climbing spikes (see variants)

Material

Hot-dip galvanised steel

Colour

Red and white

Visibility

Glow in dark

Fixing

Bolted

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

Sabarmati · SAB-911 series

Bolt size

M16 to M30 (see variants)

Strength class

8.8

Material

High tensile steel

Galvanising

Hot-dip, 75 micron

Thread

Metric coarse

Lead time 2-4 weeks · Warranty As per contract · MOQ 10 MT

Malabarsurya · MAL-357 series

Bays

Up to 8 bays to Up to 32 bays (see variants)

Architecture

Station bus

Protocol

IEC 60870-5-104

Network topology

PRP

HMI

Single HMI

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

Shivalik · SHI-C87 series

Channels

16 analog to 96 analog (see variants)

Sampling rate

1 kHz

Time sync

GPS

Accuracy

0.1% FS

Reporting rate

50 fps

Lead time 10-14 weeks · Warranty 24 months · MOQ 5 nos

Chambalparam · CHA-082 series

Bays

Up to 16 bays to Up to 128 bays (see variants)

Architecture

Station bus

Protocol

IEC 61850 Ed 2

Network topology

HSR ring

HMI

Single HMI

Lead time 10-14 weeks · Warranty 36 months · MOQ 1 lot

Hampiohm · HAM-ED3 series

Rating

250 kVA to 1000 kVA (see variants)

Voltage ratio

11/0.433 kV

Technology

VPI

Insulation class

Class F

Cooling

AN/AF

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

Bundel · BUN-281 series

Voltage class

11 kV to 400 kV (see variants)

Component

OTI/WTI

Current rating

1250 A

Insulation type

RIS

Creepage

31 mm/kV

Lead time 12-20 weeks · Warranty 24 months · MOQ 10 nos

Urjaline · URJ-FF1 series

Type

Insulated overlap to Auto-passing neutral (see variants)

Voltage

25 kV AC

Material

Polymer

Length

15 m

Rated current

600 A

Lead time 4-6 weeks · Warranty 12 months · MOQ 5 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

Nilgirispark · NIL-119 series

Transformer rating

250 kVA to 1600 kVA (see variants)

Primary voltage

33 kV

Secondary voltage

0.433 kV

HV equipment

Fuse switch

Transformer type

Cast resin dry

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

Kaverianant · KAV-646 series

Rating

2 MVA to 60 MVA (see variants)

Primary voltage

33 kV

Secondary voltage

Up to 1000 V

Application

LRF

Cooling

OFWF

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

Brahmaputrasamarth · BRA-0D5 series

Conductor type

Panther to Zebra (see variants)

Component

Tension (compression) clamp

Material

Forged aluminium alloy

Rated load

120 kN

Slip strength

95% of RBL

Lead time 6-8 weeks · Warranty 12 months · MOQ 2 nos

Taxila · TAX-095 series

Capacity

200 Ah to 1000 Ah (see variants)

Chemistry

Flooded lead-acid

Nominal cell voltage

1.2 V

Number of cells

86

Bank voltage

110 V

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

Samarthtek · SAM-1D5 series

Rating

50 MVA to 160 MVA (see variants)

Voltage ratio

132/33 kV

Cooling

ONAN/ONAF/OFAF

Vector group

Dyn11

Tap changer

OLTC 1.25% steps

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

Konarkkiran · KON-017 series

Conductor

150 mm2 contact wire to Droppers (see variants)

Material

Cadmium copper

Section

Grooved

Tensile strength

≥ 345 N/mm2

Conductivity

≥ 97% IACS

Lead time 4-6 weeks · Warranty As per contract · MOQ 2 km

Taxilaurja · TAX-C03 series

Rating

100 kVA to 3150 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 18 months · MOQ 1 nos

Ajantajyoti · AJA-F74 series

Rating

20 MVA to 100 MVA (see variants)

Voltage ratio

220/132 kV

Cooling

ONAN/ONAF

Vector group

YNyn0 d11

Tap changer

OLTC +/- 10% in 16 steps

Lead time 30-40 weeks · Warranty 36 months from supply · MOQ 10 nos

Brahmaputra · BRA-F57 series

Rating

3.15 MVA to 6.3 MVA (see variants)

Voltage ratio

33/0.69/0.69 kV

Windings

Two

Vector group

Dyn11

Cooling

ONAN

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