Services & Products

Transformer, Compact Distribution Substation & Spare parts

Ordinary Distribution Transformer

• 25kva,15/0.4kv-1250kva ,15/0.4kv
• 25kva,33/0.4kv-1250kva ,33/0.4kv
• %Z=4%
• No load loss =90w_1000w
• Load loss =570w-11000w
• % no load current<1.5

Compact Distribution Sub Station Transformer

• 25kva,15/0.4kv-1250kva ,15/0.4kv
• 25kva,33/0.4kv-1250kva ,33/0.4kv
• %Z=4%
• No load loss =90w_1000w
• Load loss =570w-11000w
• % no load current<1.5
• VCB Hv switch gear
• Different Rating of Lv switch gear
• Sf6

Power cable

Power Cable

• Standard applied: IEC61089 or equivalent standard
• Purpose: Electric power transmission for LV, MV and HV
• Insulation type: XLPE for LV and MV
• Conductor type: copper core for LV and MV, and Aluminium
core for HV overhead transmissions
• Number of cores: 1 core, 2 core, 3 core, 4 core, 5 core and 6 core with neutral and earth lines

busbar

Bus-Bar

• Main bus bar rating: 25KA
• Bus bar insulation: 24KV
• Bus bar material: copper
• Insulation medium: SF6

Switch Gear

• Main bus bar rating: 25KA
• Bus bar insulation: 24KV
• Bus bar material: copper
• Insulation medium: SF6
• Low voltage switch gear: up to 1KV
• Medium voltage: 1 to 75KV
• High voltage : greater than 75KV

Enameled Copper Wire

Ø 0.35mm, 0.5mm, 0.65mm, 0.7mm, 1.00mm,
1.25mm, 1.5mm, 1.8mm, 2.00mm, Impurity =99%
copper class = Gr2, temperature =200 °C

LV Bushing

Rated current=250A, 630A, 1000A, power frequency
withstand voltage/kV(rms)=50kv, Clearance across
insulator=80mm, Specification of creepage distance IEC 60815-2

HV Bushing

Rated current=250A, 630A, 1000A, power frequency
withstand voltage/kV(rms)=50kv, Clearance across
insulator=80mm, Specification of creepage distance IEC 60815-2

Tap Changer

Length=535-570mm, voltage>=10KV, current>=63A,
space height=75mm

Insulation Board

 Thi=1mm,1.5mm, 2mm, 3mm, Temperature 150 °C

Crop Tube

2mm,4mm,6mm,8mm,10mm
Craft type

Creep Paper

25mm*100mm

Craft type

 

Cork Gasket

80*10mm, 60*10mm, 60*5mm, 5000*50*4mm,
5000*50*6mm, 5000*50*8mm

Insulation Paper
Th=0.075mm
w=55cm

Pressure Relief

Floating Type
L=400mm-600mm

Press type

Gate Valve

1 inch, 3/4 inch
Brass type

Voltage Transformer

10, 15, 25, 30, 50, 75, 100, 150, 200, 300, 400, 500 VA.

Transformer Distribution and Hardware Materials

Distribution Box

• Standard: IEC61439 or equivalent
• Ingress Protection: IP54
• Rated operational current of circuits: 100A for 50kVA,160A for 100kVA,300A for
200kVA,500A for 315Kva, 630A for 400kVA
• Rated Short time withstand current: 10KA
• Power frequency withstand voltage: 3KV
• Mechanical endurance: As per IEC 60947 and equivalent standards

Distribution Pillar

• Pillar box dimension 1400 X 1200 X 415 mm
• 6-way (2 I/C + 4 O/G) 1400 X 1400 X 415 mm
• 8-way (2 I/C + 6 O/G) 1400 X 1200 X 415 mm

Cross-arm

Cross-Arm

• Standard applied: BS4360, EN10025-3 or equivalent
• Grade of steel: 42A
• Tensile strength: 430-580 N/mm2
• Yield strength : >275N/mm2
• Galvanization: hot deep galvanized

Earthing Rode

Earthing Rode

• Material: high strength copper alloy,
• Bolt and nut: M10X40
• Rated short circuit withstand current: 25KA
• Duration of short circuit: 3 Sec

HRC Fuse

HRC Fuse

• 63A/80A/100A/125A 160A/ 200A/ 250A/ 300A/315A/ 350A/ 400A/800A
• Latest amd. of IEC Standard IEC 269-1 and VDE 043/620
• 500V at 50Hz

Fuse Base

Fuse Base

• As per IEC 60947
• Protection Class: IP23
• Ambient temperature: (-5 °C to +50 °C)
• Lightening Impulse withstand voltage: 6KV
• Rated Voltage: 0.4KV
• Rated operational current: 400A

Pole Mounted Fuse Box

• Pole mounted 3x400A Fuse Box
• Creep age distance: As per IEC 60947
• Protection Class: IP23
• Mechanical endurance: 80KN
• Incoming Terminals cross section: Up-to 240 mm2
• Outgoing Terminals cross section: Up-to 240 mm2

Cable Lug

• Type: AL to CU, AL to AL, and CU to CU cable lugs
• IEC Standard
• Applicable conductor size: 10mm2, 25mm2, 35mm2, 50mm2, 70mm2, 95mm2, 120mm2,
185mm2, 240mm2, 300mm2 and 400mm2
• Tin plating thickness: 7micron meter(Min)

MCB & MCCB Breakers

• Standard referred: IEC60898-1-2003 and equivalent standards
• Rated operational voltage: 230/400V
• Rated insulation Voltage: 1000V
• Rated thermal current: 25A
• Rated breaking capacity: 10KA for 25A
• Protection class of enclosure: IP55
• Material: Copper

Current Transformer

Current Transformer

• Power Frequency Withstand Voltage: 3KV
• Nominal System Voltage: 400 V
• FOR 33 KV, 132 KV,220KV & 400KV CT
• Current ratio (A/A)
a) 800-400-200/ 1-1-1A
b) 600-300-150/ 1-1-1A
c) 400-200-100/ 1-1-1A
d) 1200-600- 300/1-1-1.A

Transformer Protection Materials & Composite Insulators

33kV Lightning Arrestor

 • Standard referred: IEC 99-1, IEC TC 37 WG4, IEC 60099
• Creepage distance: 1080mm
• Rated voltage of arrester: 36KV
• Maximum continuous operating voltage: 28.8KV
• Rating operating voltage of system: 33KV

15kV Lightning Arrestor

• Standard referred: IEC 99-1, IEC TC 37 WG4, IEC 60099
• Creepage distance: 525mm
• Rated voltage of arrester: 17.5KV
• Maximum continuous operating voltage: 14.4KV
• Rating operating voltage of system: 15KV

15kV Chain Type Composite Insulator

• Creepage distance: 525mm
• Phase to phase length: 260mm
• Dray arcing distance: 280mm
• Lighting impulse withstand voltage: 125KV
• Power Frequency withstand voltage: 50KV

33kV Chain Type Composite Insulator

 • Creepage distance: 1080mm
• Phase to phase length: 466mm
• Dray arcing distance: 480mm
• Lighting impulse withstand voltage: 250KV
• Power frequency withstand voltage: 95KV

15kV Pin Type Composite Insulator

• Creepage distance: 525mm
• Dray arcing distance: 280mm
• Lighting impulse withstand voltage: 125KV
• Stud length:140mm
• Power frequency withstand voltage(wet): 50KV

33kV Pin Type Composite Insulator

• Creepage distance: 1080mm
• Phase to phase length: 425mm
• Dray arcing distance: 480mm
• Lighting impulse withstand voltage: 250KV
• Power frequency withstand voltage(wet): 95KV

33kV Drop Out Fuse

• Standards: IEC/ VDE
• Creepage distance: 1080mm
• Impulse withstand voltage Phase to Earth (dry): 250KV
• Impulse withstand voltage Across Isolating Distance (dry): 290KV
• Power Frequency withstand voltage Phase to Earth (wet): 95KV
• Power Frequency withstand voltage Across Isolating Distance (wet): 110KV

15kV Drop Out Fuse

15kV Drop Out Fuse

• Standards: IEC/ VDE
• Creepage distance: 525mm
• Impulse withstand voltage Phase to Earth (dry): 95KV
• Impulse withstand voltage Across Isolating Distance (dry): 110KV
• Power Frequency withstand voltage Phase to Earth (wet): 50KV
• Power Frequency withstand voltage Across Isolating Distance (wet):76KV

Fuse Link/Element

• System operation voltage: 15 /33KV
• Max design voltage: 17.5/36KV
• Rated Max. Breaking capacity at rated voltage (symmetrical): 8KA
• Overall length of fuse link: 787/987mm
• Fusing element material: Copper

Electro- Mechanical Works

Street light Supply & Installation

Illuminate communities with our expertly supplied and installed street lighting solutions, enhancing safety and visibility after dark.

High Mast Supply and Installation

Providing towering high mast lighting solutions for large areas, ensuring optimal illumination and security.

Power Distribution

Efficiently distribute electrical power across your infrastructure, ensuring reliable and consistent energy flow.

Machine Erection & Installation

Specializing in the precision erection and installation of machinery, ensuring smooth operations and maximum productivity.

Earthing Work

Implementing effective earthing systems to safeguard against electrical faults, ensuring safety and system integrity.

Lighting Work

Illuminate factories and warehouses with tailored lighting solutions for optimal productivity and safety.

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