Innovation
Quality
Integrity
KOTSONS
Head Office: 6, Raghunath nagar, Suresh Plaza Market,
Opp. Sanjay Place, M.G.Road, AGRA-282002 (U.P) INDIA.
Phone: +91-562-2521475, 2641818
Fax: +91-562-2521463
Website : www.kotsons.com
KOTSONS
Dynamic Power-ups to Transform Worlds
Engineering Excellence
Welcome to Kotsons, a specialist manufacturer of single & three-phase distribution and power transformers internationally recognised for
advanced technology, complete reliability and superb energy efficiency. KPL (Kotsons Pvt. Ltd.) has set up state-of-the-art manufacturing
facilities in Alwar (Rajasthan), Agra (Uttar Pradesh) and Bazpur (Uttaranchal) in a bid to develop precision products, provide integrated
solutions and meet the diverse requirements of a global clientele. The company conforms to ISO 9001:2000 and ISO 14001:2004 quality
standards, and our transformers ranging between 100-1000 KVA are type tested at KEMA, Holland, a world leader in testing & certification.
Founded in 1979, Kotsons initially produced an extensive range of high-quality distribution & power transformers of 33 KV class to serve public
utilities organisations, as well as private sector industrial units. Over the years, we have successfully pursued ambitious growth plans and built
two more manufacturing plants lifting the capacity up to 25 MVA and significantly expanding its product portfolio. Today, Kotsons has
broadened its geographic reach, increased market share and enhanced the product range, leading the Indian players and catering to major
overseas companies across the USA, Europe, Africa and the Middle East
MILESTONES
Engineering Excellence
Our Vision Mission
Our Values | Quality Statement
Product Portfolio
1979
First Manufacturing Plant at Alwar, Rajasthan.
1991
Second Manufacturing Plant in Agra, Uttar Pradesh.
1997
Technical collaboration with AL JIZZI
1998
ISO 9001:2000 Certification
1998
Export House Recognition.
2002
Transformers ranging from 100-1000 KVA type tested at KEMA (Holland).
2003
Started manufacturing dry type transformers (VDT-VPI) in collaboration with DuPont, USA.
2006 Third Manufacturing Plant set up in Bazpur, Uttaranchal.
2007 ISO 14001:2004 Certification.
Quality Edge
Achievement
Inside Power
Manufacturing Units
Markets
Building Success
Nurturing Customer Focus
An organisation committed to innovative engineering and
delivery excellence, Kotsons has forged strong links with
renowned T&D technology firms and developed near-perfect
products and services for its valued customers. Our design and
manufacturing capabilities are founded upon a sound
knowledge of materials, innovations and processes involved
resulting into high volume production, best possible quality and
most competitive pricing.
At Kotsons we work closely with all customers, big or small, and
constantly endeavour to deliver better & faster solutions to meet
& exceed their expectations. Whether you are looking for a
standard product or keen on a custom-made system, precision,
performance and a shorter lead time will help you achieve
operational goals. Our large inventory and well-stocked
warehouses ensure priority shipments and fast delivery across
the globe while custom products are delivered as per agreed
schedules. What's more, each new order is handled by a
dedicated project management team and committed
timeframes are meticulously maintained. Kotsons continues to
build on its successes through ground-breaking research &
development, top-grade technical consultancy & continuous
improvement, while embracing the customer-focused approach
and implementing best industry practices across all its facilities
Backed by a strong R&D team and leveraging three decades of
manufacturing expertise, Kotsons has introduced ventilated dry
type transformers (VDT-VPI) in collaboration with DuPont™
ReliatraN® (USA). Other specialty power systems include
rectifier, furnace & auto transformers, as well as thyristor, oilfilled and amorphous core transformers. As ultra-efficient
transformer cores made with Metglas® amorphous metal alloy
effectively lower core losses, we use the same technology which
unquestionably validates the product range and helps our
customers achieve efficiency objectives. For CSP & conventional
type transformers, the company has set up an exclusive unit, fully
equipped with imported core forming & winding machines.
Besides a complete line of standard transformers for industrial
and commercial applications, Kotsons designs and fabricates
tailor-made products according to customer-specific
requirements. We leverage latest technologies and outstanding
expertise to analyse unique needs and implement innovations
while addressing such key areas as transformer size & weight,
no-load loss, volumetric efficiency, voltage isolation and EMF
suppression. The company also offers impeccable after-sales
assistance in terms of installation, operation & maintenance.
1.
2.
Our Vision & Mission
Product Portfolio
Mission
Be it single phase or three phase; oil filled or dry (VDT-VPI); Conventional or CSP type; standard product or custom-built Kotsons designs and
manufactures a broad range of power & distribution transformers internationally lauded for superior designing, robust engineering and
optimum performance. Made of CRGO or amorphous metal core, our small to medium T/Fs remain products of choice for utilities and
industrial units. At Kotsons, our experienced professionals leverage computer aided design tools and latest technologies to ensure peak
productivity, maximum efficiency and excellent reliability for critical loads. KPL transformers also come with superior corrosion protection
resulting into longer life period.
To become a specialist manufacturer of distribution, power & custom-built transformers. We offer integrated solutions and invest extensively to
develop market-shaping products for enhancing the quality of life. Kotsons' commitment to excellence and credibility ensures that the
company's position is constantly on the rise while we work dedicatedly to motivate our employees and bring more value to our customers and
the community.
Vision
To focus on Innovation, Quality and Integrity leading to long-term relationships, win-win approach and incremental growth.
How You Gain
•Manufactured in ISO 9001 & ISO 14001 certified facilities assuring high quality
& low environmental impact
What We Do
• High level of energy efficiency & minimised losses
• Improved power quality and high short-circuit strength
Vision
Strategic
Thinking
Strategic
Learning
• Better insulation for increased load tolerance
• Superior corrosion resistance
Mission
• Smaller size, reduced weight and lower sound level
• Optimised products for lower lifecycle costs
Strategies
Objectives & Goals
Tactics & Intelligence
Strategic
Planning
Action Plan & Implementations
Values
Innovation: We bring to the global market advanced and
energy-efficient technology initiatives to boost product life,
performance and cost-effectiveness.
Integrity: We hold fast to business ethics of the highest order and
constantly endeavour to earn the trust and respect of our valued
customers, stakeholders and team-members.
Quality: We guarantee highest quality standards and optimum
productivity through Total Quality Management and continuous
improvement.
Winning attitude: We have a firm belief in the qualities &
capabilities of our people who nurture the passion for success
and always emerge winners.
Quality Statement
We at Kotsons are committed to
Designing, Manufacturing & Supplying
Transformers of agreed Quality on
time, every time, to the satisfaction of
our customers by complying with &
continually improving the effectiveness
of the Quality System.
Guarantee/Warranty
All Kotsons products are 100% Quality checked
and built to last. Transformer guarantee spans a
12-month period from the date of delivery and
covers defects in designing, raw materials,
workmanship etc. Any such defect occurring within
the specific timeframe will be taken care of and the
product will be repaired/replaced free of cost,
provided the maintenance of the transformer is
done as per the relevant ISS/CBIP specifications.
Kotsons, hereby, warrants that the transformers
supplied by the company shall have no defect
arising from the design, materials or workmanship
that may develop under normal use of the
transformers in the conditions prevailing at the site
of installation. This warranty, however, does not
cover accessories like porcelain bushings and its
metal parts & breather. This warranty will be valid if
the installation and maintenance of the
transformer is done as per Kotsons' Manual of
Installation, Operation and Maintenance provided
with the transformer.
Our complete product line includes:
• Single Phase Transformers
• Three Phase Transformers
CRGO Core Transformers
Type: Distribution Transformer
Type: Oil Type Distribution & Power
Transformers
Range: 5 KVA-167 KVA
Range: 25 KVA-25000 KVA up to 33
up to 33 KV Class
KV Class
Amorphous Metal Transformers
Type: Distribution Transformer
Type: Amorphous Metal Distribution
(pole mounted)
Transformers (Pole/Platform Mounted)
Range: 5 KVA-167 KVA up to
Range: 15 KVA-1000 KVA up to
33 KV Class
33 KV Class
Type: Dry Type Distribution & Power
Transformers
Range: 100 KVA-5000 KVA up to
33 KV Class
Type: Rectifier Transformers
Range: Up to 10 MVA
Type: Furnace Transformers
(Arc & Induction)
Range: Up to 10 MVA
Type: Auto Transformers
Range: Up to 10 MVA
Type: Thyristor Duty Transformers
Range: Up to 1500 KVA
3.
4.
SINGLE PHASE TRANSFORMERS
SINGLE PHASE TRANSFORMERS
CRGO Core Transformers
Amorphous Metal Transformers
Applicable Standards
IEC (International Electrotechnical Commission)
ANSI (American National Standards Institution)
BS (British Standards)
IS (Indian Standards)
Kotsons manufactures amorphous metal transformers in technical collaboration with Hitachi Met Glass Inc., the only producer of amorphous
metal in the world. We have set up a state-of-the-art manufacturing facility and imported the latest equipment from M/S Bergers Machinenbau
GMBH, Germany, to produce most sophisticated and energy-efficient amorphous metal transformers. At Kotsons, Quality and Process
Performance are of vital importance and cores are annealed under absolute inert atmosphere to achieve lowest losses thus enhancing the
energy savings in comparison with similar manufacturing facilities across the globe.
Advantages
Specifications
• Energy efficient
•AMDT can reduce no-load losses by 80%. Since no-load losses are responsible for a major portion of the energy lost during power
distribution, amorphous metal transformers cut down on costs and help reduce carbon di-oxide emissions created during power
generation.
•Lower temperature
•Slower ageing of insulation
•Higher overloading capability
•Longer life
•Superior electrical performance under harmonious conditions
Kotsons manufactures conventional type, single phase, 50 Hz transformers. These are oil immersed,
naturally cooled, pole mounted/platform mounted, double wound with aluminium/copper, step up/step
down core type continuous duty transformers having no-load voltage ratio from 5 KVA to 167 KVA up to 33
KV Class. Each product comes with Class A insulation and is designed to withstand Short Circuit & Impulse
Test in accordance with ANSI/IEC/BS/IS. Completely self protected type transformers are also available for
protection on both HV & LV sides.
Please find below characteristics and dimensions of Kotsons Standard Transformers with regular fittings,
manufactured in accordance with ANSI C57 latest. The temperature rise will be 60°C/65°C in oil/winding
respectively over a maximum ambient temperature as per ANSI. These transformers are readily available in
stock and can be delivered within 1 week from the date of order confirmation.
Description
KVA
Efficiency
(%)
Voltage
Regulation (%)
W
(mm)
D
(mm)
H
(mm)
Oil
(l)
Weight
(kg)
5
97.60
2.05
400
520
770
12
69
10
98.00
1.79
450
570
800
17
97
15
98.23
1.56
480
600
850
23
120
25
98.25
1.58
530
620
1030
65
205
37.5
98.58
1.26
650
650
900
38
244
50
98.29
1.60
670
650
950
45
253
75
98.53
1.30
740
720
950
62
340
100
98.72
1.18
795
750
1000
78
440
167
98.92
1.15
850
825
1065
116
675
In order to achieve significant improvement in efficiency, amorphous metal is used for the transformer core. Amorphous metal exhibits a
unique random molecular structure unlike the rigid grain structure of the silicon steel. This, in turn, enables easy magnetization &
demagnetization, thereby reducing hysteresis loss. Further processing of amorphous metal in very thin lamination (approximately 1/10th of
silicon steel lamination thickness) enables significant reduction in eddy current losses.
AMDT advantages are not limited to loss reductions alone. Since these losses are converted into heat energy, cooling oil inside the transformer
tank will be heated up as well, and it will lead to emissions. AMDT enables utilities to reduce harmful emissions such as sulphur dioxide,
nitrogen oxides and carbon dioxide, the pollutants which cause acid rain & global warming.
A comparison between typical silicon steel distribution transformer, high-efficiency silicon steel distribution transformer &
amorphous metal distribution transformer (AMDT) is given below:
Rating (KVA)
Single Phase
10
15
Three Phase
25
63
100
Note: Due to constant design improvements, the details given may vary marginally in case of No-Load Losses, Load Losses and overall
dimensions. However, the variations will be within permissible limits as per Applicable Standards.
Details given here pertain to Kotsons Standard Transformers with regular fittings. For more information, please contact our Marketing Office.
Fittings & accessories provided with standard transformers
S.No
Accessories
1
Support Lug
2
Name Plate
3
Grounding Terminal
4
Hand Hole
5
Bird Guard
6
H.V. Bushing with fittings
7
Pressure Release Valve
5 to 25 KVA
Hi-efficiency Silicon
Steel
Amorphous
Metal
40
60
30
45
10
15
100
180
260
80
150
195
25
45
60
Specifications
Kotsons manufactures amorphous metal single phase transformers, 50 Hz or 60 Hz, with primary voltage up to 33 KV class and secondary
voltage up to 250 volts, 120/240 volts or as required. These are oil immersed, naturally cooled, pole mounted, double wound with
aluminium/copper, step up/step down core type continuous duty transformers having no load voltage ratio from 5 KVA to 167 KVA up to 33 KV
Class. Each product comes with Class A insulation and is designed to withstand Short Circuit & Impulse Test in accordance with
ANSI/IEC/AS/IS.
Please find below the characteristics and dimensions of Kotsons Standard Transformers with regular fittings, manufactured in accordance with
ANSI C57 latest. These are readily available in stock and can be delivered within 1 week from the date of order confirmation.
Note:
8
Lifting Lug
Due to constant design improvements, the details given may vary marginally in case of no-load losses, load losses and overall dimensions. However,
the variations will be within permissible limits as per Applicable Standards.
Details given here pertain to Kotsons Standard Transformers with regular fittings. For more information, please contact our Marketing Office.
9
L.V. Bushings with fittings
Fitting & accessories provided with standard transformers
10
Grounding Pad
S.No Accessories
11
Radiator
12
Capacity Mark
1
2
3
4
5
6
7
8
Optional Fittings will be charged separately.
Optional Fittings
5.
26 to 167 KVA
Typical Silicon
Steel
1
Arrestor
2
Protective Fuse
3
Breaker
4
Extra Bushing
5
External Tap Changer
Terminal Connector
Primary Bushings
Secondary Bushings
Pressure Relief Device
Mounting Lugs/Brackets
Lifting Lugs
Rating & Diagram Plate
Grounding/Earthing Terminal
5 to 167 KVA
Optional Fittings will be charged separately.
Optional Fittings
1
2
3
4
5
6
7
8
9
Tap Changer
Oil Level Gauge
Thermometer
HT Fuse
LT Circuit Breaker
Lighting Arrester
Arcing Horns
Cable Box
Pressure Relief Device/Explosion Vent
6.
THREE PHASE TRANSFORMERS
THREE PHASE TRANSFORMERS
Rated Primary Voltage : 22 KV
Secondary Voltage : 416/240V
Efficiency at 100%
Capacity KVA
load (%)
P.F.=1
P.F.=0.8
CRGO Core Transformers(Oil Type)
Type: Distribution & Power Transformers | Range: 25 KVA to 25000 KVA up to 33 KV Class
Type: Rectifier Transformers | Range: up to 10 MVA.
Type: Furnace Transformers (Arc & Induction) | Range: up to 10 MVA.
Type: Auto Transformers | Range: up to 10 MVA.
Type: Thyristor Duty Transformers | Range: up to 1500 KVA.
Applicable Standards :
•IEC ((International Electrotechnical Commission)
•ANSI (American National Standards Institution)
•BS (British Standards)
•IS (Indian Standards)
Description:
Kotsons manufactures a wide range of distribution and power transformers ranging from 25 KVA to 20
MVA with voltage class of 33 KV. These transformers can be free breathing or hermetically sealed. Conventional transformers are fitted with a
conservator with breather for free breathing while hermetically sealed ones come with bolted covers and without breathers. Hermetically
sealed transformers are totally maintenance free and are particularly suited for exposed outdoor environments such as moisture, salt or dust
laden atmosphere. They are used extensively in chemical plants and oil/gas terminals where poor accessibility makes regular maintenance
undesirable. Transformers immersed in synthetic coolants are suitable for indoors with adequate ventilation or located near the load centre
where oil would not be considered environmentally acceptable.
The liquid-filled transformers can be supplied with cooling, either by corrugations on the side of the tank or by pressed steel radiators mounted
on the tank body. Transformers can be filled with either oil or one of several low-flammability synthetic fluids such as midel. Both types can be
supplied with HV and LV switchgears incorporated into substations.
Kotsons can supply conventional/hermetically sealed/bolted type, indoor/outdoor type, pole mounted/platform mounted, 3 phase, 50/60 Hz
transformers. These are oil immersed, ONAN/ONAF/OFWF cooled, step up/step down, double wound with aluminium/copper conductor,
continuous duty transformers from 5 KVA to 20 MVA up to 33 KV Class. Each product comes with Class A insulation and is designed to
withstand Short Circuit & Impulse Test in accordance with IEC/BS/ANSI/IS/NEEMA.
Total weight
(Kg.)
50
97.48
96.85
2.26
45
1300
1100
520
120
420
100
97.71
97.14
2.06
46
1410
1230
565
170
640
160
98.19
97.73
1.63
47
1500
1290
640
215
820
200
98.30
97.88
1.52
47
1620
1345
680
280
1025
250
98.32
97.90
1.51
48
1670
1390
760
335
1240
315
98.33
97.92
1.50
50
1735
1390
840
375
1475
400
98.44
98.05
1.42
50
1800
1420
960
415
1630
500
98.50
98.13
1.37
52
1850
1535
1015
495
2050
630
98.62
98.27
1.31
52
1920
1655
1045
580
2410
800
98.56
98.20
1.37
54
2000
1845
1050
715
2925
1000
98.63
98.29
1.32
54
2100
2050
1060
825
3460
1250
98.72
98.40
1.29
56
2140
2090
1230
930
3710
1500
98.78
98.48
1.24
56
2240
2165
1255
1050
4300
2000
98.81
98.51
1.22
52/3cm
2350
2245
1410
1215
5000
2500
98.88
98.60
1.18
52/3cm
2480
2340
1435
1460
6020
3000
98.92
98.65
1.14
52/3cm
2570
2400
1465
1620
6650
Voltage
Regulation
P.F. =1 (%)
ONAN Cooled, Outdoor Type, Oil Immersed Copper Wound,
Open Type with Conservator
Noise Level
Outline Dimension
Oil qty
db (A) : 1m
Approx. (mm)
(Litres)
H
L
W
Rated Primary Voltage : 33 KV
Secondary Voltage : 416/240V
Efficiency at 100%
Capacity KVA
load (%)
P.F.=1
P.F.=0.8
Total weight
(Kg.)
100
97.70
97.13
2.06
46
1420
1230
575
185
655
KOTSONS STANDARD TRANSFORMERS
160
98.16
97.70
1.63
47
1520
1290
650
235
835
In a bid to meet the growing demand for transformers within a short time span, Kotsons has introduced the KST (Kotsons Standard
Transformers) range manufactured with standard losses and in accordance with IS 2026 latest. We also supply Kotsons Repeat Transformers
200
98.29
97.86
1.52
47
1580
1350
690
305
1070
250
98.30
97.88
1.51
48
1655
1390
770
360
1310
fast reproductions of our previous transformer designs which keep the delivery time to a minimum.
315
98.35
97.94
1.50
50
1735
1400
850
390
1535
Specifications for KST (Kotsons Standard Transformers)
400
98.50
98.13
1.42
50
1800
1430
980
435
1735
Kotsons offers outdoor type, three phase, 50 Hz transformers. These are oil immersed, conventionally bolted, ONAN cooled, pole/platform
mounted, double wound with copper conductor, step up, core type continuous duty transformers with +2.5% to -7.5% taps on HT side for HT
variation and leads to be brought out on off-circuit tap changing switch with locking device & outside indicator arrangement connected in
delta/star as per Vector group ref. Dyn11. The temperature rise will be 50°C/55°C in oil/winding respectively over a maximum ambient
temperature as per the IS standards.
Please find below characteristics and dimensions of Kotsons Standard Transformers with regular fittings, manufactured in accordance with IS
2026 latest. These can be delivered quickly upon order confirmation.
7.
Voltage
Regulation
P.F. =1 (%)
ONAN Cooled, Outdoor Type, Oil Immersed Copper Wound,
Open Type with Conservator
Noise Level
Outline Dimension
Oil qty
db (A) : 1m
Approx. (mm)
(Litres)
H
L
W
Rated Primary Voltage : 11KV
Secondary Voltage : 416/240V
Efficiency at 100%
Capacity KVA
load (%)
P.F.=1
P.F.=0.8
Voltage
Regulation
P.F. =1 (%)
ONAN Cooled, Outdoor Type, Oil Immersed Copper Wound,
Open Type with Conservator
Noise Level
Outline Dimension
Oil qty
db (A) : 1m
Approx. (mm)
(Litres)
H
L
W
50
2.26
45
97.48
96.85
1300
1080
520
115
Total weight
(Kg.)
420
100
97.71
97.14
2.06
46
1400
1230
550
150
600
160
98.19
97.73
1.63
47
1480
1290
630
210
825
200
98.30
97.88
1.52
47
1580
1340
675
260
990
250
98.32
97.90
1.51
48
1655
1385
750
320
1200
315
98.33
97.92
1.50
50
1735
1385
830
360
1400
400
98.44
98.05
1.42
50
1800
1410
950
370
1600
500
98.50
98.13
1.37
52
1850
1520
1000
450
1920
630
98.62
98.27
1.31
52
1920
1620
1030
530
2230
500
98.49
98.11
1.37
52
1850
1550
1030
520
2135
630
98.67
98.33
1.31
52
1920
1670
1060
610
2470
800
98.56
98.20
1.37
54
2000
1860
1070
740
2980
1000
98.63
98.29
1.32
54
2100
2060
1080
850
3580
1250
98.68
98.35
1.29
56
2140
2100
1250
985
3830
1500
98.78
98.48
1.24
56
2240
2180
1270
1080
4525
2000
98.79
98.48
1.22
52/3cm
2350
2260
1420
1235
5200
2500
98.84
98.55
1.18
52/3cm
2480
2380
1450
1565
6300
3000
98.92
98.65
1.14
52/3cm
2570
2420
1480
1690
6860
Voltage
Regulation
P.F. =1 (%)
ONAN Cooled, Outdoor Type, Oil Immersed Copper Wound,
Open Type with Conservator
Noise Level
Outline Dimension
Oil qty
db (A) : 1m
Approx. (mm)
(Litres)
H
L
W
Rated Primary Voltage : 33 KV
Secondary Voltage : 11KV
Efficiency at 100%
Capacity KVA
load (%)
P.F.=1
P.F.=0.8
Total weight
(Kg.)
3150
99.02
98.75
1.04
54/3m
3000
2800
2900
2000
8450
5000
99.39
99.02
0.79
56/3m
3200
2500
3150
2400
11300
6300
99.51
99.14
0.68
56/3m
3300
3000
3250
3200
15000
8000
99.62
99.21
0.67
58/3m
3430
3300
3350
4100
18000
10,000
99.68
99.32
0.59
58/3m
3600
3400
3800
5800
21000
800
98.56
98.20
1.37
54
2000
1830
1030
675
2700
1000
98.63
98.29
1.32
54
2100
2040
1040
780
3160
Note: The dimensions and weights featured above apply to a typical range (KST or Kotsons Standard Transformers), developed according to IS 2026
specifications. As most of the transformers are designed and built as per customers' specifications, their exact dimensions and weights can vary.
•Due to constant design improvements, the details given here may vary marginally irrespective of length, width, height, oil and total weight. However, the
variations will be within permissible tolerance limits as per the IS 2026 latest.
1250
98.72
98.40
1.29
56
2140
2070
1210
840
3400
Standard Accessories:
1500
98.78
98.48
1.24
56
2240
2150
1240
970
3900
2000
98.81
98.51
1.22
52/3cm
2350
2230
1390
1080
4625
Oil Level Gauge, Pressure Release Device, Shut Off Valve, Off Load Tap Changer Handle, Breather, Name Plate, Sampling Valve, Drain
Valve, Roller, Lifting Eye Oil Filling Hole with Cap, H.V. Porcelain Bushing, L.V. Porcelain Bushing, Hand Hole, Lifting Lug, Filter Valve,
Radiator/Corrugation, Conservator Drain Valve, Earthing Terminal, Pulling Eye, Jacking Pad.
2500
98.88
98.60
1.18
52/3cm
2480
2300
1420
1375
5700
3000
98.92
98.65
1.14
52/3cm
2570
2380
1450
1530
6330
Optional Accessories:
Buchholz Relay, On load Tap Changer, RTCC, AVR, Marshalling Box, Oil Temperature Indicator, Winding Temperature Indicator, Skid Base.
8.
THREE PHASE TRANSFORMERS
THREE PHASE TRANSFORMERS
Amorphous Metal Transformers
Dry Type VPI (Vacuum Pressure Impregnated) Transformers
Kotsons develops amorphous metal transformers in technical collaboration with Hitachi Met Glass Inc., the only producer of amorphous metal
in the World. We have in place a state-of-the-art manufacturing facility and imported the latest equipment from M/S Bergers Machinenbau
GMBH, Germany, to produce most sophisticated and energy-efficient amorphous metal transformers. At Kotsons, Quality and Process
Excellence are of crucial importance and cores are annealed under absolute inert atmosphere to achieve lowest losses thus enhancing the
energy savings in comparison with similar manufacturing facilities across the globe.
Type: Distribution & Power Transformers | Range: 100 KVA to 5000 KVA up to 33 KV Class
Advantages
Introduction
• Energy efficient
Kotsons is the first Indian manufacturer to use the DuPont ReliatraN® branded solution and develop Ventilated Dry Type Transformers in
collaboration with E. I. du Pont de Nemours and Company, U.S.A. ReliatraN® Transformers are produced by a network of ISO 9000 Certified
companies across the globe while UL® Certified Insulation Materials and Systems are used to meet highest international standards for Quality,
Design, Construction and Performance. Kotsons is the first and only Operating Licensed Manufacturer of DuPont's ReliatraN® brand
transformers in India.
• AMDT can reduce no-Load losses by 80%. Since no-load losses are responsible for a major portion of the energy lost during power
distribution, amorphous metal transformers cut down on costs and help reduce carbon di-oxide emissions created during power
generation.
• Lower temperature
• IEC (International Electrotechnical Commission)
• IS (Indian Standards)
Advantages of ReliatraN® Transformers
• Slower ageing of insulation
• High level of safety
• Higher overloading capability
• No flammable liquid
• Longer life
• No pollution from leaks
• Superior electrical performance under harmonious conditions
• No toxic off-gas
Description:
• Can be placed close to the load
In order to achieve significant improvement in efficiency, amorphous metal is used for the transformer core. Amorphous metal exhibits a
unique random molecular structure unlike the rigid grain structure of the silicon steel. This, in turn, enables easy magnetization &
demagnetization, thereby reducing hysteresis loss. Further processing of amorphous metal in very thin lamination (approximately 1/10th of
silicon steel lamination thickness) enables significant reduction in eddy current losses.
• More efficient
AMDT advantages are not limited to loss reductions alone. Since these losses are converted into heat energy, cooling oil inside the transformer
tank will be heated up as well, and it will lead to emissions. AMDT enables utilities to reduce harmful emissions such as sulphur dioxide,
nitrogen oxides and carbon dioxide, the pollutants which cause acid rain & global warming.
• Low noise and low maintenance
A comparison between typical silicon steel distribution transformers, high-efficiency silicon steel distribution transformers & amorphous metal
distribution transformers (AMDT) is given below:
Rating (KVA)
Typical Silicon Steel
Single Phase
10
15
Three Phase
25
63
100
Hi-efficiency Silicon Steel
Amorphous Metal
40
60
30
45
10
15
100
180
260
80
150
195
25
45
60
Specifications
Kotsons manufactures amorphous metal three phase transformers, 50 Hz or 60 Hz, with primary voltage up to 33 KV class and secondary
voltage up to 480 volts, …… volts or as required. These are oil immersed, naturally cooled, pole/platform mounted, double wound with
aluminium/copper, step up/step down core type continuous duty transformers having no load voltage ratio from 15 KVA to 1000 KVA up to 33
KV Class. Each product comes with Class A insulation and is designed to withstand Short Circuit & Impulse Test in accordance with
ANSI/IEC/AS/IS.
Please find below the characteristics and dimensions of Kotsons Standard Transformers with regular fittings, manufactured in accordance with
ANSI C57 latest. These are readily available in stock and can be delivered within 1 week from the date of order confirmation.
Note: Due to constant design improvements, the details given may vary marginally in case of no-load losses, load losses and overall dimensions.
However, the variations will be within permissible limits as per Applicable Standards.
Details given here pertain to Kotsons' standard transformer with regular fittings. For more information, please contact our Marketing Office.
Fitting & accessories provided with standard transformers
S.No Accessories
1
2
3
4
5
6
7
8
9
10
9.
Applicable Standards
Terminal Connector
Primary Bushings
Secondary Bushings
Oil Level Indicator/Gauge
Pressure Relief Device/Vent
Lifting Lugs
Rating & Diagram Plate
Dehydrating Silica Gel Breather
Drain Valve/Drain Pipe
Filling Plug
5 to 167 KVA
Optional Fittings will be charged separately.
Optional Fittings
1
2
3
4
5
6
Thermometer
HT Fuse
LT Circuit Breaker
Lightning Arresters
Filter Valve
Conservator
• Increased emergency overload capability
• Improved reliability
• Easy to repair (open coils)
• Designed to be free of partial discharge
Parameters
VDT with Nomex®
Cast Resin
Conductor Insulation
Nomex®
Non-woven polyester
Thermal Rating
F or H/C
F/B or F
Process
Conventional winding assembly
Cast mould assembly
Impregnation
Vacuum pressure impregnation
Vacuum casting
Repair
Possible
Not possible
Cracking
Not possible
Possible
Overloading
High overload margin
No overload margin
Environment
Easy disposal
Large amount of resin disposal required
Safety
No toxic off gas or melting
Emission of toxic gases
Partial Discharge
Free from partial discharge
Partial discharge is possible due to high probability of bubbles
formation during casting
Description
Kotsons manufactures Ventilated Dry Type Transformers ranging from 40 KVA to 5000 KVA with voltage class of 33 KV. These transformers are
fitted in enclosures conforming to IP21-33 (for indoor locations) and IP45 (for outdoors). Kotsons' Ventilated Dry Type Transformers are totally
maintenance free and safe from fire as the materials used include metals, ceramics, fibreglass and resin. Our products are also environmentfriendly as there is no oil usage leading to easier handling and zero spillages & leakages. Furthermore, there will be minimal non-toxic smoke
in case of a fire. Our transformers come with Class H or Class C insulation which can bear the heat up to 220°C and can be used in humid and
chemically polluted atmosphere.
Kotsons manufactures indoor/outdoor, 3 phase, 50/60 Hz transformers. These are resin impregnated, AN/FA cooled, step up/step down,
double wound with copper conductor transformers from 40 KVA to 5000 KVA up to 33 KV Class. Products come with H or C Class insulation
and are designed to withstand Short Circuit & Impulse Test in accordance with IEC/IS.
Process & Core
Core structure is made of non-aging, cold rolled grain-oriented and high-permeability silicon steel. All core laminations burr-free and staked
without gaps. The core assembly has a layer of protective paint for effective safeguard against corrosion.
Windings
LV & HV windings are done in dust-free, air conditioned winding shops. Rectangular copper strips are used for LV winding insulated with
Nomex® while HV windings are copper wires insulated with Nomex® or suitable materials for temperature rise if wrapping is not possible due
to small diameters.
VPI
Transformer coils are thoroughly dried in PLC-controlled ovens and then completely sealed with an insulating varnish/resin (Class H/C).
Kotsons has in place a state-of-the-art PLC-controlled VPI (vacuum pressure impregnation) plant where the entire operation is meticulously
carried out. The VPI process fully penetrates and seals the coils thus turning them into a high-strength composite unit for complete
environmental protection. As a result, these can be used in humid and chemically polluted atmospheres. Coils are then cured to develop
bonding.
10.
THREE PHASE TRANSFORMERS
THREE PHASE TRANSFORMERS
Dry Type VPI (Vacuum Pressure Impregnated) Transformers
Dry Type VPI (Vacuum Pressure Impregnated) Transformers
Type: Distribution & Power Transformers | Range: 100 KVA to 5000 KVA up to 33 KV Class
Type: Distribution & Power Transformers | Range: 100 KVA to 5000 KVA up to 33 KV Class
Testing
Kotsons has in-house testing facilities and all routine tests are carried out as per IEC & IS standards after core coil assembly. We are equipped
with adequate digital readout measuring devices, and also employ digital sampling techniques with computer calculations. Precision digital
meters such as digital power analyser, WT-130 of Yokogawa make, are used for measuring load losses, impedance voltage, no-load losses
and no load currents. The company has also set up a facility for Partial Discharge (PD) testing.
Item No.
Description
Standard
Optional
1.
H.v. Terminal Busbar
Yes
No
2.
L.v. Terminal Busbar
Yes
No
3.
L.v. Seperate Neutral Earthing Bushing
No
Yes
Warranty
4.
Seperator Neutral Earth Busbar
No
Yes
KPL VDT transformers are guaranteed for satisfactory performance for a period of 5 years* from the date of dispatch. Any part found defective
during this period, as a consequence of bad design, manufacturing or workmanship, should be repaired, free of cost, by us within the mutually
agreed schedule.
5.
Off Circuit Tapping Link Board
Yes
No
6.
Tap Link Position Plate
Yes
No
*Warranty is for 5 years on active parts only.
Environmental Impact
• Transformers insulated with NOMEX® brand materials are extremely safe, even when exposed to fire.
• Highly flame resistant and low-smoke materials generating no toxic off-gases.
• Class H & C ventilated dry type transformers can be built smaller, reducing the footprint to the environment and conserving space.
• Insulation is friendly to use during manufacturing no skin irritants or surface chemicals.
7.
Access Doors/windows For Tap Changing Links
Yes
No
8.
Ventilation Louvers
Yes
No
9.
Rain Water Guard
Yes
No
10.
Rating And Diagram Plate
Yes
No
11.
Lifting Lugs For Top Cover & Complete Transformer Lifting
Yes
No
12.
Lifting Holes For Core-coil Assy. Lifting
Yes
No
13.
Enclosure (degree Of Protection Ip-21/23)
Yes
No
End-of-Life Aspects
14.
Marshling Bo--
Yes
No
• NOMEX® insulation can be easily disposed of by incineration or burial, since it is inert to the environment.
15.
Phase C.t.
Yes
No
• NOMEX® insulated VDT transformers have low volumes of insulation, eliminating the burden of disposing large amounts of resin.
16.
Winding Temperature Indicator
Yes
No
Quality
17.
Space Heater
No
Yes
KOTSONS PVT. LTD., is certified for ISO 9001:2000 by DET NORSKE VERITAS, B.V., NETHERLANDS. Kotsons has set up a complete quality
management system to offer the best customer satisfaction. Each and every Ventilated Dry Type Transformer is identified with ReliatraN®
identification labels.
18.
Detachable H.v. Cable Gland Plate With 1 Knockout
Yes
No
19.
H.v. Cable Gland
No
Yes
KST (Kotsons Standard Transformers) Specifications at a Glance
Sl.
Rating
No Load
Load Loss
Total Loss
Impedance
Outline Dimension (mm)
Total Weight
20.
H.v. Cable Lug With Inside Knurling
No
Yes
21.
H.t. Cable Clamp
Yes
No
22.
Surge Arrester
No
Yes
23.
Surge Arrester Grounding Bushing
No
Yes
No.
KVA
KV
Loss (Watts)
(Watts)
(Watts)
(%)
L
W
H
(Kg)
1
630
11/0.433
1725
6920
8645
5
1850
1200
1750
2520
24.
Surge Arrester Grounding Busbar
No
Yes
2
800
11/0.433
1920
7880
9800
5
1900
1200
1850
2855
25.
Detachable L.v. Cable Gland Plate With Reqd. Knockouts
Yes
No
3
1000
11/0.433
2235
10145
12380
5
1950
1250
1950
3125
26.
L.v. Cable Gland
No
Yes
4
1250
11/0.433
2630
12600
15230
5
1950
1250
2100
3520
27.
L.v. Cable Lug With Inside Knurling
No
Yes
5
1600
11/0.433
3010
14765
17775
6.25
2050
1350
2250
4230
28.
L.t. Cable Clamp
Yes
No
6
2000
11/0.433
3540
18375
21915
6.25
2150
1450
2450
4940
29.
Skid Under Base With Haulage Holes
Yes
No
7
2500
11/0.433
4305
21260
25565
6.25
2250
1550
2550
5855
Note
•The dimensions and weights featured above apply to a typical range (KST or Kotsons Standard Transformers), designed according to IS 2026
specifications. As most of the transformers are designed and built as per customers' specifications, their exact dimensions and weights can vary.
• Due to improvements continuously taking place in design, the details given here may vary marginally irrespective of length, width, height and total
weight. However, the variations will be within permissible tolerance limits as per IS 2026 latest.
30.
Bi Directional Flat Rollers
Yes
No
31.
Body Earthing Terminals
Yes
No
32.
Phase Identification Plates
Yes
No
33.
Danger Plates
Yes
No
34.
H.v. Cable Bo--
No
Yes
35.
L.v. Cable Bo--
No
Yes
36.
L.v. Busduct Bo--
No
Yes
37.
Fans
No
Yes
38.
Oltc, Avr, Rtcc
No
Yes
NOTE:Optional features are available on buyer's request & at extra cost.
11.
12.
Quality Edge
Achievements
Dry Type VPI (Vacuum Pressure Impregnated) Transformers
A leading manufacturer of high-precision distribution & power transformers, Kostons has implemented a Total Quality Management (TQM)
system and conforms to ISO 9001:2000 & ISO 14001:2004 quality standards endorsed by Det Norske Veritas of the Netherlands. Be it a
standard model or a specialty transformer built as per custom specifications, all our products conform to highest manufacturing standards
ensuring maximum efficiency, lower losses and extended life. Kotsons transformers pass through a full range of routine tests for quality, safety
and reliability while special type tests are carried out at globally renowned laboratories like KEMA (Holland) to validate insulation fitness,
heating limits and dielectric/short circuit strengths. KPL facilities are fully equipped with digital readout measuring devices as we employ digital
sampling techniques for analytical computer calculations. Precision digital meters such as digital power analyser and WT-130 of Yokogawa
make are used for measuring load losses, impedance voltage, no-load losses and no-load currents. Efficient voltage regulation, cooler
running and quieter operation also add to qualitative advantages and bring more power for less cost.
Compliance with World Class Manufacturing Standards
• IS (Indian Standard: 2026, 1180, 11171)
• IEC (International Electro Technical Commission: 60076)
• ANSI (American National Standard Institution: C57.12.20)
National Quality Award (1995) by International Council for Business Promotion.
• BS (British Standard)
• AS (Australian Standard)
Niryat Shree Award for Highest Export (2000-2001).
• JIS (Japanese Industrial Standard)
• IEEE (Institute of Electrical and Electronics Engineers, Inc)
Highest Export Trophy in the Capital Goods Category (2000-2001) by EEPC.
• DIN (Deutsche Institute für Normung eV)
• NEMA (National Electrical Manufacturers Association)
Certificate for Excellent Export Performance in Export House-SSI Category (2001-2002).
Routine Tests
From planning through to designing, procurement, production, testing and after-sales support Kotsons constantly monitors each phase to
ensure highest quality, continuous improvement and complete customer satisfaction. At KPL, R&D is a constant process and our fast-evolving,
innovative concepts often define industry standards. Each Kotsons product is engineered to excellence in tune with latest trends and a
comprehensive range of routine tests are carried out as per national & international standards (IS, BS, IEC, ANSI, NEMA & DIN).
UP State Export Award (2001-2002) by UP State Export Promotion Bureau.
Excellent Award for Export (2003-04).
Our Routine Tests include:
Type Tests
• Insulation resistance test
• Insulation oil test
Type tests are conducted to track irregularities in transmission & distribution
lines a core activity of KPL's stringent quality assurance programme. The
company has set up in-house facilities to carry out Temperature Rise Partial
Discharge & Impulse Tests conforming to latest industry standards. Led by a
penchant for perfection, Kotsons is always keen to walk the extra mile to satisfy
its customers and many of our transformers are KEMA-tested to ensure most
impeccable quality standards. Other tests, such as dynamic & thermal short
circuit withstand, are carried out at independent, government-endorsed
laboratories like Central Power Research Institute (Bangalore & Bhopal) and
Electrical Research & Development Association (Baroda). As type tests are
special tests, charges for the same are to be borne by customers.
• Dielectric tests including applied & induced voltage tests
Our Type Tests include:
• Transformer tank leakage test
• Impulse voltage test
• Winding resistance measurement
• Turns ratio test
• Polarity & phase relationship test
• No-load losses measurement
• Excitation current measurement
• Impedance voltage test
• Load loss measurement
• Temperature rise test
• Short circuit test
Highest Export Trophy (2003-2004) by EEPC.
Excellent Export Performance Award (2004-2005) by EEPC.
Udyog Pragati Award by Global Economic Council.
Mr. P.K. Jain, Managing Director of Kotsons Pvt. Ltd., receives the 2000-2001
Niryat Shree Award for Highest Export from the Hon'ble Vice-President of India.
Pravin K. Jain, Director of Kotsons Pvt. Ltd., receiving the Trophy for Highest Export
(2000-2001) tfrom the Hon'ble Union Minister of State for Commerce & Industry.
Type Tests At Kotsons: An Overview
Distribution Transformers up to 1000 KVA Type
tested at KEMA, Holland
• Rating: 100, 250, 400, 630, & 1000 KVA on 11/0.4 KV
transformers
• Impulse with 50% chopped & 100% at 95 KV impulse value
• Heat run test/Temperature rise test
• Noise level test
• RIV on 11/0.4 KV 100, 250, 400, 630 and 1000 KVA
rating
13.
Type Tests at Independent Laboratories
• Single phase and three phase distribution transformers
(Conventional & CSP type) of various ratings type tested as
per customer specifications
• Power transformers up to 10 MVA type tested at CPRI,
Bangalore
• Dry type transformers up to 2500 KVA type tested at
independent laboratories.
14.
Inside Power
Inside Power
Design and Development
Tank and Box Up
At Kotsons, design remains a strategic tool for translating users' requirements into real-life applications while development enables us to
deliver better technologies and enhanced performances. As design & development is a fast-evolving process, we leverage best technologies
and superior professional expertise to conceptualise most sophisticated equipment conforming to latest technical specifications and global
quality standards. Kotsons designs a comprehensive range of power and distribution transformers in compliance with the manufacturing
standards of the IS, IEC, ANSI, BS, AS, JIS, IEEE, DIN and NEMA. In a bid to focus more on improvements and innovations, high-speed systems
are also used to analyse and compare data so that on-field conditions can be successfully simulated to speed up actual execution. In-house
software development by qualified IT professionals is another vital step to ensure our design accuracy and reliability.
The tank is rectangular in shape and has corrugated wall panels on all sides for natural cooling. At Kotsons, the tank base, sides and frames are
seamlessly welded and meticulously checked for oil tightness and leaks. The tank cover includes thermometer pockets, bushings, a tap changer
drive and lifting lugs mounted on the cover. These lugs are sufficiently strong for lifting the entire transformer.
The transformer core and the windings assembly are put in the tank and fastened by nut and bolts with the help of a pneumatic wrench. Since
the connection items (bolts, nuts, bushing holders, studs etc.) on the tank cover and arching horns on the HV bushing are exposed to rust, these
are either made of stainless steel or especially surface-treated steel material. The cover gasket is made of high quality cork-rubber while unidirectional/bidirectional rollers are provided as per the client's request.
Surface Treatment and Painting
Ef fective Designing Helps to
• Specify maximum overall dimensions and weights
For effective protection against corrosion and rust, all steel part surfaces are shot-blasted in compliance with Swedish Standard SIS 055900 to
Sa 2.5 quality standards prior to painting. Tanks and steel parts are then painted with one primer and two final coats with minimum thickness of
160 microns.
• Assess specified performance characteristics such as impedance,
temperature rise, efficiency and noise levels
• Determine distribution of voltage stresses under impulses, lighting &
switching surge conditions
• Withstand thermal and dynamic effects of short circuit
• Analyse high electrical stress areas
• Minimise stray losses, hotspots and electrical gradients through electrical
and magnetic field analyses
• Estimate labour and material costs
Technical Consultancy
Leveraging three decades of experience and a strong R&D base, Kotsons offers premier Technical Consultancy services to the transformer
industry and helps set up state-of-the-art Manufacturing Facilities/Repair Shops. Owing to its strong competence and experience, the industry
leader is uniquely positioned to help you implement best practices and enable you to comply with global manufacturing and quality standards.
We provide innovative and customised solutions essential for condition assessment, designing, assembly, testing, installation, maintenance,
repair and trouble shooting. With Kotsons as the technology partner of choice, global enterprises can avoid pitfalls, stay on schedule, and stay
within stipulated budget limits. The company has handled huge and complex projects for a number of overseas firms and possesses proven
expertise in the following areas:
• Preparation of technical & project reports
• Determining land size (covered & uncovered) for Manufacturing/Repair facilities
• Plant & machinery commissioning
Core
• Plant & machinery supply
The magnetic core of the transformers is made of cold rolled grain oriented
magnetic steel laminations. We use Hi-B grade and laser scribed lamination to
reduce no-load losses and noise levels. Laminations are cut at 45° angles while
core leg and yoke laminations are interleaved in mitred joints to facilitate the
passage of the magnetic flux; avoid hot spots; and reduce no-load losses, no-load
current & noise levels.
• Raw materials sourcing and procurement
• Technical know-how supply for commercial production
Winding
The windings are designed to optimise dynamic, thermal, mechanical and electrical stresses depending upon current and voltage
requirements. Spiral, crossover, helical, continuous disc and partly/fully interleaved windings are used depending on the specific design
criteria. While steel winding mandrels are used to ensure tight tolerances, our winding machines are equipped with hydraulic braking devices
to ensure that proper tension is maintained on the winding. Dovetailed key spaces are employed to give the winding extra strength.
Axial and radial cooling ducts are installed between winding sections to allow free flow of oil around the conductor. Individual coils are dried
and hydraulically pressed to size in accordance with the calculated short circuit forces to obtain the design height and to guarantee full short
circuit resistance.
Assembly
The magnetic core, with windings and accessories fitted together, forms the active part of the transformer. The windings are slipped over the
legs of the core and the laminations of the upper yoke are interleaved. All connections between windings and bushings and connections
between the high-voltage tappings and the tap changer are now made. The tap changer allows increase/decrease of turns in the high-voltage
winding in order to compensate for a voltage drop or to adapt the transformer to an unstable supply so that the rated low voltage can be
maintained. Subsequently, the top cover with HV and LV bushings is fitted.
Vacuum Drying
A transformer should have no trace of moisture as this may lead to electrical flashover within the windings. Kotsons makes sure that the active
part of the transformer is completely dried before it is filled with oil under vacuum. The tank, with the active part in it, is connected to an oil
supply and placed inside a vacuum chamber. Once the required vacuum level is reached, oil is allowed to flow into the tank. The rising oil drives
out any remaining air and the active part is completely immersed.
15.
16.
Manufacturing Units
Markets
Kotsons Pvt. Ltd. has set up four state-of-the-art manufacturing facilities in Alwar, Agra and Uttaranchal to cater extensively to the domestic
and overseas markets. Sprawled across 60,000 sq. ft. of land area, the Alwar factory went on stream in 1979 and underwent massive capacity
expansion during the second phase. A second facility at Agra was set up in 1991, commanding a total land area of 8500 sq. mt. As the power
and distribution transformer market witnessed a healthy growth across the globe, Kotsons added two more manufacturing units in 2006 and
2007 one located at EPIP, Agra (4000 sq. mt.), and the other in Uttaranchal (26,000sq. mt.).
With the rising demand in Power requirements, the transformer market across the globe has witnessed a phenomenal growth and Indian
manufacturers have effectively made their presence felt in the international scenario, thanks to superior service, quality and technical
expertise. A recent analysis by Frost & Sullivan predicts an immense surge in the Indian market as revenues are likely to reach $5.31 billion in
2012 from that of $1.04 billion in 2005. The world market presents equally tempting growth opportunities since steady investments in the
Power sector has resulted into a tremendous boom. In a bid to meet the high export demand, Kotsons has increased its market presence
manifold and serves an extensive and prestigious clientele across Europe, Africa, the Middle East and the Far East. The company is all set to
enter the lucrative US market and also plans an aggressive export drive for stronger footing across the continents.
At Kotsons, we have implemented most advanced technology solutions to ensure maximum reliability and optimum operational excellence.
Each KPL factory is fully equipped with best-in-class processes and systems for design, manufacturing and testing. We adhere to all HSE
standards and ensure totally environment-friendly power transmission & distribution. Kotsons' 500-strong team is committed to continuous
improvement and remains focused on sustainable growth so that we may make Energy available to all and carry out our corporate
responsibilities to the best of our capabilities.
Global Markets We Serve
Production Facilities for Oil Immersed Transformers
•In-house design & development team ensures the reliability and accuracy of
designs and incorporates customer-specific requirements.
•Separate fabrication units for tanks, radiators, enclosures, corrugated wall
panels etc.
•In-house facilities for all routine tests as per IEC, BS, ANSI, DIN, NEMA & IS
standards.
•In-house facilities for temperature rise type test.
•Capacity to manufacture up to 25 MVA with 33 KV class. All types of distribution
and power transformers such as pad mounted, package sub station, dual
voltage ratio, furnace transformers, rectifier transformers and isolation
transformers are available.
•Facility to do foil winding. Have two machines in place with maximum capacity of
1600 mm.
Production Facilities for VDT-VPI
Dry Type Transformers
Greece
•Technical tie-up with DuPont, USA, for design, quality checks etc.
UK
•In-house design & development department team co-ordinates with DuPont's
Singapore office to ensure the reliability and accuracy of designs and incorporates
customer specific requirements.
•Fully automated PLC-controlled vacuum pressure impregnation plant for winding
impregnation.
•Dust free, air-conditioned winding shop.
•Separate testing bench along with facility to conduct partial discharge test.
•Capacity to manufacture up to 5 MVA with 33 KV class.
•Manufactured & supplied up to 1000 KVA in the 33 KV class.
Oman
Philippines
Nigeria
Jordan
Spain
•Facility to manufacture lightning and converter transformers; meeting European & US standards for CRGO and amorphous metal core.
•Dedicated fabrication shop ensuring design flexibility for enclosures developed in various options relevant to the IP class.
Production Facilities for Small Distribution Transformers
(Single Phase/Three Phase, made of Wound Core/Amorphous Metal Core)
Nepal
Mauritius
Bangladesh
•Separate facility at Alwar factory to manufacture single phase & three phase transformers in different options, i.e. conventional or CSP type.
•Transformers are manufactured with CRGO wound core or amorphous metal core, according to specification requirements.
•Technical support from Hitachi Met Glass, U.S.A., for amorphous metal cores & amorphous metal core transformers.
•High production capacity of approx. 200 transformers a day (25 KVA).
•CNC-controlled wound core manufacturing machines imported from Australia.
Yemen
Libya
UAE
•CNC-controlled amorphous metal cutting plant imported from Germany.
•In-house design & development team ensures the reliability and accuracy of designs and incorporates customer specific requirements.
•Conveyor Powder Coating plant for better tank finish and longer life period.
Production Facilities for Fabrication
• Separate facility at Agra for fabricating all types of tanks, radiators, corrugated wall panels, enclosures etc.
Iraq
Ireland
Ghana
• CNC air plasma cutting machine for better finish and faster production.
• Capacity for fabricating tanks up to 25 MVA transformer
• Capacity to fabricate both PSR and corrugated wall tanks according to design and requirements.
• Sand blasting facility for treatment of tanks and all other fabricated items.
• Facility to fabricate enclosure of any type according to IP class.
17.
18.